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ICs for VCR
AN3664NFB
Single chip audio signal processing IC for HiFi VCR
s Overview
The AN3664FNB is a single chip IC which performs HiFi VCR stereo audio signal processing. It incorporates the PROM to maintain an adjusting value, enabling a complete adjustment-free use.
14.00.3 12.00.2 36 37 25 24 (1.6)
Unit: mm
s Features
* High precision and adjustment-free fO , recording/playback level and playback BPF by adoption of built-in Zener zap PROM * Enhanced cost performance due to incorporating external parts.
48 13
(1.6)
0.80
0.10.1
s Applications
* HiFi VCR
Seating plane
+0.10 0.15 - 0.05
0.35 +0.10 - 0.05
1.950.20
1
12
12.00.2 14.00.3 (1.0)
0 to 10 0.50.2
QFH032-P-0707A
1
2
AUX in (L) 5 BS1 in (L) 7 TV in (L) 4 3 2 1 BS2 in (L) 6 8 9 CCA out (L) 12 NR ref. (L) 11 10
S/H Peak det. Det. LPF Log F0-adj. L-channel DAC (NTSC/PAL) VREF1 1/2VCC (5 V) Input SW
AN3664NFB
s Block Diagram
Emph. (L) 13 48
N.C. 14 47
Log
VU out (L)
SW noise 10 k SW4 Rec. LPF Audio limit PB LPF PC PB trap LPF Rec. Mix. Logic Amp. Amp. 10 k SW1 CCA 12.9 k VCO PB
EVOL SW2 /AGC
VU out (R)
Rec. FM out (Mix.) 15 (commonly used for BPF monitor)
46
I2C clock 16
Line out (L) 45 Line out (R) 44 43
I2C data 17
L-ch. BPF BS2 Hi-Fi Liner SW Mix Normal R-ch. BPF FM Lim. Mute BS1 SW16 L L R SW17
Audio FF input 18
RFC R SW19 SW22 L+R L R Det. Nor. rec. in
42 41
RF conv. out 40 RF conv. AGC det. 39 V (12 V) CC 38 Normal out 37 Normal in
PB FM input 19
Hold timing Noise det. HPF Audio limit PB LPF PC
(commonly used for ENV det. out)
Forced normal 20
L Mix Normal Hi-Fi SW18 R BS2 BS1 Mute
Noise det.
VCO DAC (NTSC/PAL) F0-adj. R-channel S/H SW noise
21
rec.. LPF SW9
PB trap LPF Buffer 10 k CCA 12.9 k 10 k SW7
SW6 EVOL /AGC Det. LPF Peak det.
150 k
PE 22 Mute CTL 23
Input SW
N.C. 24
25 Emph. (R)
30 29
36
35 TV in (R)
CC1
28 GND1 (R)
33 BS2 in (R)
27 NR ref. (R)
34 AUX in (R)
26 CCA out (R)
32 BS1 in (R) and Nor. rec. in 31 V (5 V)
ICs for VCR
ICs for VCR
s Pin Descriptions
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Description Recording input volume adjusting pin HiFi AGC det. pin VREF1 (1/2VCC1) TV in (L-channel) AUX in (L-channel) BS2 in (L-channel) BS1 in (L-channel) NR det. 1 (L-channel: Weighting) NR det. 2 (L-channel) GND (L-channel) NR ref. (L-channel) CCA output pin (L-channel: NR emph.) FM emph. / De-emph. (L-channel) N.C. Rec. FM output / PB BPF monitor Serial clock input Serial data input Head switching pulse input for FM audio Playback FM input Envelope det. and forced normal output Normal judgement noise detection PE Output mute CTL Resistor selection pin (or N.C. on use) Pin No. 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
AN3664NFB
Description FM emph. / De-emph. (R-channel) CCA output pin (R-channel: NR emph.) NR ref. (R-channel) GND (R-channel) NR det. 2 (R-channel) NR det. 1 (R-channel: Weighting) VCC (VCC1 = 5 V) BS1 in (R-channel) and Normal recording in BS2 in (R-channel) AUX in (R-channel) TV in (R-channel) Recording input volume adjusting pin Normal audio input Normal audio output VCC (VCC2 = 12 V) RF conv. AGC det. RF conv. amp. output GND Output mute (R-channel) Output mute (L-channel) Line amp. output (R-channel) Line amp. output (L-channel) LOG amp. output (R-channel) LOG amp. output (L-channel)
s Absolute Maximum Ratings
Parameter Supply voltage
*1, 2 *1
Symbol VCC1 VCC2
Rating 5.5 13.0 639 -20 to +75 -55 to +150
Unit V
Power dissipation
PD Topr Tstg
mW C C
Operating ambient temperature Storage temperature
*1
Note) 1. The reverse insertion of this IC will cause its breakdown. 2. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is the value for Ta = 75C.
3
AN3664NFB
s Recommended Operating Range
Parameter Supply voltage Symbol VCC1 VCC2 Range 4.5 to 5.3 8.0 to 12.5
ICs for VCR
Unit V
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C
Parameter Circuit current (5 V) at recording Circuit current (12 V) at recording Circuit current (5 V) at playback Circuit current (12 V) at playback ENC out level 1-L ENC out level 1-R ENC out level 3-L ENC out level 3-R Normal recording out level Volume level L (Gain = mode 1) Volume level R (Gain = mode 1) Vol. level L/R balance Volume maximum level L Volume maximum level R Volume minimum level L Symbol ICCR1 ICCR2 ICCP1 ICCP2 VHRO1L VHRO1R VHRO3L VHRO3R VNRO VVOLL VVOLR BVOL Conditions Recording mode Measurement after adjusting fO Recording mode Measurement after adjusting fO Playback mode Measurement after adjusting fO Playback mode Measurement after adjusting fO VIN = -30 dBS, 1 kHz DIN audio, Vol. = 5 V VIN = -30 dBS, 1 kHz DIN audio, Vol. = 5 V VIN = -90 dBS, 1 kHz, DIN audio Vol. = 5 V, VHRO3L/VHRO1L VIN = -90 dBS, 1 kHz, DIN audio Vol. = 5 V, VHRO3R/VHRO1R VIN = -20 dBS, 1 kHz Normal out VIN = -20 dBS, 1 kHz L-out, Gain = 1, Vol. = 3 V VIN = -20 dBS, 1 kHz L-out, Gain = 1, Vol. = 3 V VVOLL - VVOLR Min 80 7 80 7 Typ 95 9 100 9 Max 110 11 120 11 -9.5 -9.5 Unit mA mA mA mA dBS dBS dB dB dBS dBS dBS dB dBS dBS dB
-12.5 -11.0 -12.5 -11.0
-33.0 -30.0 -27.0 -33.0 -30.0 -27.0 -21.5 -20.0 -18.5 -8.0 -8.0 -1.2 2.5 2.5 -6.0 -6.0 0.0 4.0 4.0 -4.0 -4.0 1.2 5.5 5.5 -63.0
VOMAXL VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 5 V VOMAXR VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 5 V VOMINL VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 0 V VOMINL/VOMAXL
Volume minimum level R
VOMINR VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 0 V VOMINR/VOMAXR VAGCEL VAGCER VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 3 V VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 3 V
-63.0
dB
HiFi AGC mode EE level L HiFi AGC mode EE level R 4
-8.0 -8.0
-6.0 -6.0
-4.0 -4.0
dBS dBS
ICs for VCR
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
Parameter HiFi AGC level L HiFi AGC level R Line out Gain = mode 2 level L Line out Gain = mode 2 level R Line out THD L Line out THD R Line out Vo-maximum L Line out Vo-maximum R ENC out Vo-maximum L ENC out Vo-maximum R RF conv. out level Line out S/N L Line out S/N R Inter input crosstalk 1 *1 (TV-in select) Inter input crosstalk 2 *1 (AUX-in select) Inter input crosstalk 3 *1 (BS1-in select) Inter input crosstalk 4 *1 (BS2-in select) Crosstalk between channels R L *1 Symbol VAGCL VAGCR VGHL VGHL THRML THRMR VMLOL VMLOR VMFEL VMFER VRFC NHLOL NHLOR CTIT Conditions VIN = -2 dBS, 1 kHz Gain = 1, Vol. = 3 V VIN = -2 dBS, 1 kHz Gain = 1, Vol. = 3 V VIN = -20 dBS, 1 kHz BS1 monitor mode VIN = -20 dBS, 1 kHz BS1 monitor mode VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 3 V VIN = -20 dBS, 1 kHz Gain = 1, Vol. = 3 V fIN = 1 kHz, Gain = 1, Vol. = 3 V At output THD 3% fIN = 1 kHz, Gain = 1, Vol. = 3 V At output THD 3% fIN = 1 kHz, Vol. = 5 V At output THD 3% fIN = 1 kHz, Vol. = 5 V At output THD 3% VIN = -20 dBS, 1 kHz BS2 monitor mode RG = 2.2 k, DIN audio Gain = 1, Vol. = 3 V RG = 2.2 k, DIN audio Gain = 1, Vol. = 3 V AUX, BS1 and BS2 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIT - VRFC - 10 dB TV, BS1 and BS2 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIA - VRFC - 10 dB TV, AUX and BS2 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIB1 - VRFC - 10 dB TV, AUX and BS1 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIB2 - VRFC - 10 dB TV in R-channel = -10 dBS, 1 kHz DIN audio, Vol. = 3 V CTTRL - VVOLL - 10 dB Min -2.0 -2.0 -9.0 -9.0 10.0 10.0 -4.0 -4.0 -9.0 75.0 75.0
AN3664NFB
Typ 0 0 -7.5 -7.5 -6.0
Max 2.0 2.0 -6.0 -6.0 0.1 0.1 -3.0 -70.0
Unit dBS dBS dBS dBS % % dBS dBS dBS dBS dBS dB dB dB
CTIA
-70.0
dB
CTIB1
-70.0
dB
CTIB2
-70.0
dB
CTTRL
-65.0
dB
Note) *1: 10 dB should be reduced from the calculation result because of +10 dB increased input.
5
AN3664NFB
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
Parameter Crosstalk between channels L R *1 Output mode crosstalk 1 *1 (Normal select) Output mode crosstalk 2 *1 (HiFi select) Output mode crosstalk 3 *1 (BS1 monitor mode) Output mode crosstalk 4 *1 (BS2 monitor mode) Crosstalk between ENC out channels (R L) Crosstalk between ENC out channels (L R) Output muting ratio L *1 Symbol CTTRR Conditions TV in L-channel = -10 dBS, 1 kHz DIN audio, Vol. = 3 V CTTLR - VVOLR - 10 dB TV, BS1 and BS2 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTHN - VRFC - 10 dB Pin 37, BS1 and BS2 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTNH - VRFC - 10 dB Pin 37, TV and BS2 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTB1 - VRFC - 10 dB Pin 37, TV and BS1 in = -10 dBS 1 kHz, DIN audio, Vol. = 3 V CTB2 - VRFC - 10 dB TV in R-channel = -10 dBS, 1 kHz DIN audio, Vol. = 3 V CTENRL - VHRO1L - 5 dB TV in R-channel = -10 dBS, 1 kHz DIN audio, Vol. = 3 V CTENLR - VHRO1R - 5 dB TV in = -10 dBS, 1 kHz Gain = 1, DIN audio, Vol. = 3 V MUTEL - VVOLL - 10 dB TV in = -10 dBS, 1 kHz Gain = 1, DIN audio, Vol. = 3 V MUTER - VVOLR - 10 dB NTSC mode, V19 = 5 V Non-modulation After PROM adjustment NTSC mode, V19 = 0 V Non-modulation After PROM adjustment PAL mode, V19 = 5 V Non-modulation After PROM adjustment PAL mode, V19 = 0 V Non-modulation After PROM adjustment Min Typ
ICs for VCR
Max -65.0
Unit dB
CTHN
-65.0
dB
CTNH
-65.0
dB
CTB1
-65.0
dB
CTB2
-65.0
dB
CTENRL
-37.0
dB
CTENLR
-37.0
dB
MUTEL
-65.0
dB
Output muting ratio R *1
MUTER
-65.0
dB
VCO output frequency L (NTSC) VCO output frequency R (NTSC) VCO output frequency L (PAL) VCO output frequency R (PAL) VCO output amplitude L
FNL
1.295 1.300 1.305
MHz
FNR
1.695 1.700 1.705
MHz
FPL
1.395 1.400 1.405
MHz
FPR
1.795 1.800 1.805
MHz
VOVCOL NTSC mode, 1.3 MHz Non-modulation
30
53
70
mV[p-p]
Note) *1: 10 dB should be reduced from the calculation result because of +10 dB increased input.
6
ICs for VCR
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
Parameter VCO output amplitude R VCO output L/R mix. ratio L VCO output L/R mix. ratio R Limiter level 1-L (NTSC mode) Limiter level 1-R (NTSC mode) Limiter level 2-L (NTSC mode) Limiter level 2-R (NTSC mode) FM deviation L FM deviation R FM deviation L/R ratio FM modulation distortion L FM modulation distortion R FM modulation S/N L FM modulation S/N R 1.3 MHz BPF frequency characteristics 1 *2 1.3 MHz BPF frequency characteristics 2 *2 1.3 MHz BPF frequency characteristics 3 *2 1.3 MHz BPF frequency characteristics 5 *2 1.7 MHz BPF frequency characteristics 1 *2 1.7 MHz BPF frequency characteristics 2 *2 1.7 MHz BPF frequency characteristics 3 *2 Symbol Conditions Min 135 9.5 6.5 -160 -160 120 120 44.0 44.0 -6.0 35 35 100 -9.0 -4.0 -15.0 90 -6.0 -7.0
AN3664NFB
Typ 185 11.0 8.0 -140 -140 140 140 50.0 50.0 0.0 155 -3.0 -1.0 -7.5 135 0.0 -3.0
Max
Unit
VOVCOR NTSC mode, 1.7 MHz Non-modulation FNLN FNRN LIMN1L LIMN1R LIMN2L LIMN2R DEVL DEVR DEVLR THFEL THFER NHFEL NHFER BPF11 BPF12 BPF13 BPF15 BPF21 BPF22 BPF23 NTSC mode Serial control: D05 = 0, D04 = 0 NTSC mode Serial control: D05 = 1, D04 = 1 Pin 19 = 5 V, Pin 13 = 5 V LIMN1L - fOL Pin 19 = 0 V, Pin 25 = 5 V LIMN1R - fOR Pin 19 = 5 V, Pin 13 = 0 V LIMN2L - fOL Pin 19 = 0 V, Pin 25 = 0 V LIMN2R - fOR VIN = -30 dBS, 1 kHz Vol. = 5 V, Pin 19 = 5 V VIN = -30 dBS, 1 kHz Vol. = 0 V, Pin 19 = 5 V DEVR - DEVL VIN = -20 dBS, 1 kHz Vol. = 3 V, FM RF out VIN = -20 dBS, 1 kHz Vol. = 3 V, FM RF out RG = 2.2 , DIN audio, Vol. = 3 V FM RF out, DEVL/NHFEL RG = 2.2 , DIN audio, Vol. = 3 V FM RF out, DEVR/NHFER BPF monitor (L-channel) NTSC mode, fC = 1.3 MHz fC = 1.45 MHz BPF12/BPF11 fC = 1.15 MHz BPF13/BPF11 V (1.05M) / V (1.45M) BPF monitor (R-channel) NTSC mode, fC = 1.7 MHz fC = 1.85 MHz BPF22/BPF21 fC = 1.55 MHz BPF23/BPF21
235 mV[p-p] 12.5 9.5 -120 -120 160 160 56.0 56.0 6.0 0.8 0.8 dB dB kHz kHz kHz kHz kHz kHz kHz % % dB dB
190 mV[p-p] 1.0 2.0 4.0 dB dB dB
170 mV[p-p] 3.5 0.5 dB dB
Note) *2: PB-FM input level: Single 140 mV[p-p], Mix. 280 mV[p-p]
7
AN3664NFB
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
Parameter 1.4 MHz BPF frequency characteristics 1 *2 1.4 MHz BPF frequency characteristics 2 *2 1.4 MHz BPF frequency characteristics 3 *2 1.4 MHz BPF frequency characteristics 5 *2 1.8 MHz BPF frequency characteristics 1 *2 1.8 MHz BPF frequency characteristics 2 *2 1.8 MHz BPF frequency characteristics 3 *2 Playback out level 1-L *2 Playback out level 1-R *2 Playback out level L/R ratio Playback out level 3-L
*2
ICs for VCR
Symbol BPF31 BPF32 BPF33 BPF35 BPF41 BPF42 BPF43 VHPO1L VHPO1R BHP VHPO3L VHPO3R VHPFL VHPFR THPOL THPOR NHPOL NHPOR CTPRL CTPLR DOC1
Conditions BPF monitor (L-channel) PAL mode, fC = 1.4 MHz fC = 1.55 MHz BPF32/BPF31 fC = 1.25 MHz BPF33/BPF31 1.15 MHz/1.55 MHz BPF monitor (R-channel) PAL mode, fC = 1.8 MHz fC = 1.95 MHz BPF42/BPF41 fC = 1.65 MHz BPF43/BPF41 VIN = 50 kHz Dev, 1 kHz Line out, Gain = 1 VIN = 50 kHz Dev, 1 kHz Line out, Gain = 1 VHPO1L - VHPO1R
Min 100 -9.0 -4.0 -15.0 90 -6.0 -7.0 -7.5 -7.5 -1.5
Typ 155 -3.0 -1.0 -7.5 135 0.0 -3.0 -6.0 -6.0 0.0
Max
Unit
190 mV[p-p] 1.0 2.0 4.0 dB dB dB
170 mV[p-p] 3.5 3.0 -4.5 -4.5 1.5 dB dB dBS dBS dB dB dB dB dB % % dB dB dB dB mV[p-p]
FM in = 50 kHz, -30 dB -70.0 -64.0 -57.0 DIN audio, Gain = 1, VHPO3L/VHPO1L FM in = 50 kHz, -30 dB -70.0 -64.0 -57.0 DIN audio, Gain = 1, VHPO3R/VHPO1R In: Dev = 50 kHz, f = 70 kHz DIN audio, Gain = 1, VHPFL/VHPO1L In: Dev = 50 kHz, f = 70 kHz DIN audio, Gain = 1, VHPFR/VHPO1R In: Dev = 100 kHz, f = 1 kHz Line out, Gain = 1 In: Dev = 100 kHz, f = 1 kHz Line out, Gain = 1 No modulation, Line out, Gain = 1 DIN audio, VHPO1L/NHPOL No modulation, Line out, Gain = 1 DIN audio, VHPO1R/NHPOR VIN = 50 kHz Dev, 1 kHz DIN audio, CTPRL/VHPO1L VIN = 50 kHz Dev, 1 kHz DIN audio, CTPLR/VHPO1R fCL = 1.3 MHz fCR = 1.7 MHz 50 kHz Dev. 75 75 10 19 -40.0 -40.0 0.8 0.8 -65.0 -65.0 30
Playback out level 3-R *2 Playback out frequency characteristics L *2 Playback out frequency characteristics R *2 Playback out distortion L *2 Playback out distortion R *2 Playback out S/N L *2 Playback out S/N R *2 Crosstalk between Playback out channels (R L) *2 Crosstalk between Playback out channels (L R) *2 DOC on level
Note) *2: PB-FM input level: Single 140 mV[p-p], Mix. 280 mV[p-p]
8
ICs for VCR
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
Parameter DOC hysteresis Forced normal on level 1 *2 VU out level 2-L VU out level 2-R VU out level 3-L VU out level 3-R Symbol DOC2 ND1 VVU2L VVU2R VVU3L VVU3R Conditions fCL = 1.3 MHz fCR = 1.7 MHz 50 kHz Dev. f = 150 kHz, ND mode = 0 Dev. at V20 < 0.5 V Line out = -27 dBS, 1 kHz Gain = 1, HiFi-AGC mode Line out = -27 dBS, 1 kHz Gain = 1, HiFi-AGC mode Line out = -27 dBS, 1 kHz Gain = 1, Normal mode Line out = -27 dBS, 1 kHz Gain = 1, Normal mode Min 0.1 45
AN3664NFB
Typ 2.0 90
Max 6.0 135 2.0 2.0 2.6 2.6
Unit dB kHz Dev V V V V
Note) *2: PB-FM input level: Single 140 mV[p-p], Mix. 280 mV[p-p]
* Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Data input (high-level) Data input (low-level) Clock input (high-level) Clock input (low-level) Mute CTL input Mute CTL input Forced normal on level 2 RF conv. AGC level Normal REC THD Normal input crosstalk 1 (Nor. REC in Select) Normal input crosstalk 2 (Line in L/R mix. select) Normal input crosstalk 3 (Line in R select) Normal input crosstalk 4 (Line in L select) Carrier 3rd harmonic L Carrier 3rd harmonic R Limiter level PAL 1-L Limiter level PAL 1-R Limiter level PAL 2-L Limiter level PAL 2-R
Symbol VHDATA VLDATA VHCLOC VLCLOC VIHMUT VILMUT ND2
Conditions At VCC = 5 V At VCC = 5 V At VCC = 5 V At VCC = 5 V Mute on Mute off f = 150 kHz, Mode 01 Dev. at V20 < 0.5 V VIN = -20 dBS, f = 1 kHz TV in = -10 dBS DIN audio Nor. rec. in = -10 dBS DIN audio Nor. rec. in & TV in L = -10 dBS DIN audio Nor. rec. in & TV in R = -10 dBS DIN audio RF recording out RF recording out Pin 12 = 5 V, LIMP1L - fOL (PAL) Pin 25 = 5 V, LIMP1R - fOR (PAL) Pin 12 = 5 V, LIMP2L - fOL (PAL) Pin 25 = 5 V, LIMP2R - fOR (PAL)
Min 3.5 0 3.5 0 3.5 0
Typ 80 -4 0.02 -80 -80 -80 -80 -50 -50 -140 -140 -140 -140
Max 5 1.5 5 1.5 5 1.0
Unit V V V V V V kHz Dev dBS % dB dB dB dB dB dB kHz kHz kHz kHz 9
VRFCAG VIN = -10 dBS, f = 1 kHz TNRO CTNNO CTNLR CTNRR CTNLL 3HDL 3HDR LIMP1L LIMP1R LIMP2L LIMP2R
AN3664NFB
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
* Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
ICs for VCR
Parameter 1.3 MHz BPF frequency characteristics 4 1.3 MHz BPF frequency characteristics 6 1.7 MHz BPF frequency characteristics 4 1.7 MHz BPF frequency characteristics 5 1.7 MHz BPF frequency characteristics 6 Envelope out 1 Envelope out 2 REC PB crosstalk 1.4 MHz BPF frequency characteristics 4 1.4 MHz BPF frequency characteristics 6 1.8 MHz BPF frequency characteristics 4 1.8 MHz BPF frequency characteristics 5 1.8 MHz BPF frequency characteristics 6 VU out level L VU out level R BPF group delay difference (fO 100 kHz) VCO fO dependence on temperature Playback out level 1-L (PAL) Playback out level 1-R (PAL) Normal-off delay time ENC attack time ENC recovery time Hold pulse width
Symbol BPF14 BPF16 BPF24 BPF25 BPF26 ENV1 ENV2 CTRP BPF34 BPF36 BPF44 BPF45 BPF46 VUOTL VUOTR GDBPF TVCO VPO1LP VPO1RP MON ENAT ENRT HPUL
Conditions 1.7 MHz/1.3 MHz 1.55 MHz/1.15 MHz 2.1 MHz/1.7 MHz 1.3 MHz/1.7 MHz 1.45 MHz/1.85 MHz VIN = 70 mV[p-p], Mix. Measure V21 VIN = 280 mV[p-p], Mix. Measure V21, ENV2 - ENV1 fC = 140 mV[p-p], Mix. TV in = -10 dBS, PB PAL 1.8 MHz/1.4 MHz PAL 1.65 MHz/1.25 MHz PAL 2.2 MHz/1.8 MHz PAL 1.4 MHz/1.8 MHz PAL 1.55 MHz/1.95 MHz VIN = -20 dBS, 1 kHz VIN = -20 dBS, 1 kHz Difference of fO 100 kHz fO ( = -10C) - fO ( = 75C) VIN = 50 kHz, Dev 1 kHz Line out, Gain = high VIN = 50 kHz, Dev 1 kHz Line out, Gain = high Defined in FF timing f = 5 kHz, VIN = Typ. -20 dB f = 5 kHz, VIN = Typ. -20 dB
Min
Typ -32 -10 -18 -30 -18 1.0 1.7 -80 -32 -10 -18 -30 -16 3.5 3.5 500 5 -6.0 -6.0 3 4 65 10
Max
Unit dB dB dB dB dB V V dB dB dB dB dB dB V V ns kHz dBS dBS FF ms ms s
10
ICs for VCR
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25C (continued)
* Design reference data
AN3664NFB
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter VCO output R/L mix. ratio 2 VCO output R/L mix. ratio 3 Envelope output DC level in forced normal mode Envelope output impedance in forced normal mode Output mute on impedance L Output mute on impedance R
Symbol VMIX2 VMIX3 VENVN RNEFN ZOML ZOMR
Conditions D05 = 0, D04 = 1 D05 = 0, D04 = 1 DC measurement (forced normal) Pin 20 DC potential measurement DC measurement (forced normal) Pin 20 impedance DC measurement Pin 44 impedance DC measurement Pin 43 impedance
Min
Typ 10 9 0.15 400 10 10
Max
Unit dB dB V
s Terminal Equivalent Circuits
Pin No. 1 Equivalent circuit
VCC1
Description E-VOL CTL (L-channel)
Voltage 3V
Pin 1, 36
170
2
VCC1
HiFi-AGC det.
No fixed
300 2 10 k 10 k 3 1 k
VCC1 50 k 200 60 k 1 k 3 200 40 k 50 k
1/2 VCC1 VREF1: 1/2 VCC1 pin, but concurrently used for generation of ref. DC shift current of 1/2 VCC2 .
2.5 V
11
AN3664NFB
s Terminal Equivalent Circuits (continued)
Pin No. 4 Equivalent circuit Description TV in (L-channel): Audio signal Typical: -20 dBS (1 kHz)
ICs for VCR
Voltage 2.5 V
VCC1
R1 1 k
5
Pin 4, 5, 34, 35 50 k
200
AUX in (L-channel): Audio signal Typical: -20 dBS (1 kHz)
2.5 V VREF
R2 1 k
BS2 in (L-channel): Audio signal Typical: -20 dBS (1 kHz) BS1 in (L-channel): Audio signal Typical: -20 dBS (1 kHz) 2.5 V
6
VCC1 Pin 6, 7, 33 Same as a framed zone in pin 4 circuit (Input select) Same as a framed zone in pin 4 circuit (BS monitor)
7
50 k 2.5 V VREF
8
VCC1
Pin 8, 30
200
NR det. 1 (L-channel): Sets the weighting time constant for a noise reduction. Shown below is the CR constant setting example in the application circuit model:
Z Pin 8,30
2.5 V
T1 = 245 s T2 = 24 s
f
9
VCC1 3 k 27 k
NR det. 2 (L-channel)
1.35 V at no signal
Pin 9, 29 300
2.7 k 200
10
GND1 (L-channel)
0V
12
ICs for VCR
s Terminal Equivalent Circuits (continued)
Pin No. 11 Equivalent circuit
VCC1 10 k 12.9 k 5 k 5 k Pin 11, 27 12 k 733 3.9 k
L-channel Pin 12 R-channel Pin 26
AN3664NFB
Description
10 k
Voltage 2.5 V
NR ref. (L-channel): This pin specifies a reference voltage for HiFi signal system.
500
12
L-channel Pin 11 R-channel Pin 27
VCC1 1 k Same as aframed zone in pin 4 circuit R1, R2 = 2.5 k
CCA out (L-channel): Audio signal Typical: -20 dBS (1 kHz)
2.5 V
Pin 12, 26 12 k 3.9 k
1.5 k
13
1.5 k
10 k
Emph. NF (L-channel) In recording, it enables you to evaluate without an external capacitor as a monitor pin for encode output. Typical: -11 dBS (1 kHz) The time constant in FM emphasis is determined by an external capacitance and an inside resistor. 2.5 V
VCC1 10k Pin 13, 25 2 k 3.6 k
NR To VREF R3
10 k 50 50
R4
L-ch.: R3 = 6.03 k, R4 = 7.91 k R-ch.: R3 = 6.07 k, R4 = 7.5 k
2.5 k
14
N.C.
13
AN3664NFB
s Terminal Equivalent Circuits (continued)
Pin No. 15 Equivalent circuit Description REC FM out PB BPF monitor: The FM output in recording is an R+L mix output. The mixing ratio can be switched to 4 stages in serial. Pin 19 can output 5 V for L-channel and 0 V for R-channel (before mixing) independently. In playback, the BPF monitor output is linked with output channel switching. The output impedance is about 80 . Clock in: High: 3.5 V to 5.0 V Low: 0 V to 1.5 V
ICs for VCR
Voltage 2.5 Vat recording 2.5 V at BPF monitor 0V at PB stereo
VCC1
200
15
500
16 VCC1 500
5V
1 k 16 50 k 17
Same as a framed zone in pin 16 circuit 17 4 k
0V
Serial clock
Data in: High: 3.5 V to 5.0 V Low: 0 V to 1.5 V
5V
0V
Serial data 18 VCC1 100 A 1 k 50 k Audio FF: (head switching pulse input) High: 3.5 V to 5.0 V Low: 0 V to 1.5 V
5V
18
2 k 50 k 25 k
19
1 k 2.5 V VCC1 20 k 200 19
PB FM in: Input impedance: approx. 20 k Typical input carrier level: 140 mV[p-p] (280 mV[p-p] at mixing)
2.5 V
14
ICs for VCR
s Terminal Equivalent Circuits (continued)
Pin No. 20
VCC1 800 200 10 k 100 k 45 k
AN3664NFB
Equivalent circuit
Description Envelope det. out Forced normal out: Terminal voltage varies according to L-channel input carrier level. At forced normal, output impedance is approx. 400 .
Voltage 1.8 V at typical carrier level input 0V at forced normal
20
21
VCC1
1 k
21
1 k
2 k
Noise det.: Detects the output which is the demodulated R-channel noise output through an built-in second order HPF (fC = 150K), with an external capacitor.
1.9 V or more
46 k
22
PE
22
23
VCC1 50 k 2 k 2 k 23 1 k 1 k 1 k
Mute CTL: Mute on: 3.5 V or more Mute off: 1.0 V or less
No fixed
3 k 3 k
24
24 3 k
Selective resistor pin: N.C. is possible at normal use.
0V
25 26
Refer to pin 13 Refer to pin 12
Emph. NF (R-channel): Refer to pin 13 CCA out (R-channel): Refer to pin 12
Refer to pin 13 Refer to pin 12
15
AN3664NFB
s Terminal Equivalent Circuits (continued)
Pin No. 27 28 29 30 31 32
VCC1 Same as a framed zone in pin 4 circuit (Input select) Same as a framed zone in pin 4 circuit (BS monitor) Same as a framed zone in pin 4 circuit (Normal input select)
ICs for VCR
Equivalent circuit Refer to pin 11 Refer to pin 9 Refer to pin 8
Description NR ref. (R-channel): Refer to pin 11 GND1 (R-channel) NR det. 2 (R-channel) NR det. 1 (R-channel): Refer to pin 8 VCC1 (R-channel) BS1 in (R-channel) and Nor. rec. in: Audio signal Typical: -20 dBS (1 kHz) Note) Because of using the same pin for both R-channel BS1 and Nor. rec. in, HiFi input is 3 input/ch. in using as normal input.
Voltage Refer to pin 11 Refer to pin 10 Refer to pin 9 Refer to pin 8 5V
32 50 k 2.5 V VREF
33 34 35 36 37 VCC1
Refer to pin 6 Refer to pin 4 Refer to pin 4 Refer to pin 1 1 k
BS2 in (R-channel): Refer to pin 6 AUX in (R-channel): Refer to pin 4 TV in (R-channel): Refer to pin 4 E-VOL CTL (R-channel): Refer to pin 1 Normal in
Refer to pin 6 Refer to pin 4 Refer to pin 4 Refer to pin 1 2.5 V
37
200 150 k 2.5 V VREF 1 k
38
VCC1 38
Normal out
2.5 V
500
39 16
VCC2
12 V or 9 V
ICs for VCR
s Terminal Equivalent Circuits (continued)
Pin No. 40 Equivalent circuit VCC1 Description RFC AGC det.: Recovery current source built in 500 40 10 k 1 k
AN3664NFB
Voltage 0 V at no signal 1 V at standard signal input (+10 dB)
10 k
41
VCC2
10 k 10 k 50 50 10 k 10 k
RF conv. out: Output impedance: approx. 20
6.0 V at using VCC2 = 12 V 4.5 V at using VCC2 = 9 V
41
24 k 6 k
Same as aframed zone
42 43
GND2 Mute R: Impedance at mute: 20 or less
0V Not fixed
6.5 V
44
Pin 43, 44
130 Same as aframed zone
50 k
Mute L: Impedance at mute: 20 or less
45 VCC2
Line out R: Output impedance: approx. 20
6.0 V at using VCC2 = 12 V 4.5 V at using VCC2 = 9 V
50 46 Pin 45, 46 50
10 k 10 k Line out L: Output impedance: approx. 20
24 k 3 k
Same as aframed zone
17
AN3664NFB
s Terminal Equivalent Circuits (continued)
Pin No. 47 VCC2 6.5 V 5 k 200 48 Pin 47, 48 25 k VU out L: Half-wave rectification output Equivalent circuit Description VU out R: Half-wave rectification output
ICs for VCR
Voltage 3.5 V at standard signal input (-20 dBS)
18
ICs for VCR
s Application Notes
* Serial control timing specification 1. Start and stop conditions
AN3664NFB
Data tBUF tLOW tr
Clock
Stop condition Start condition
tHD; STA
tSU; STO
Stop condition
2. Data recognition condition
Data is Stable data line: Valid data variable. Data (Pin 17) tf tHIGH Clock (Pin 16)
tSU; DAT
tHD; DAT
3. Recommended operation condition Parameter Bus free time between stop and start conditions Hold time start condition (First clock pulse is generated after this period.) Clock low state hold time Rise time of data and clock signals Setup time of stop condition Data setup time Clock high state hold time Fall time of data and clock signals Data hold time Clock frequency Symbol tBUF tHD; STA tLOW tr tSU; STO tSU; DAT tHIGH tf tHD; DAT fSCL Min 4.7 4.0 4.7 4.0 250 4.0 5.0 0 Max 1 000 300 100 Unit s s s ns s ns s ns s kHz
19
AN3664NFB
s Application Notes (continued)
* Serial control timing specification (continued) 4. Data specification 1) Slave address: 11101000
ICs for VCR
2) Slave address format S SLAVE ADDR. A SUB ADDR. A DATA BYTE A P
Start condition
Acknowledge bit
Stop condition
3) Function (sub-address byte and data byte format)
Note) The underlined values show an initial state at power on.
AN3664NFB serial mode
Data Sub- byte address
D7 Recording/ Playback
D6 BS monitor input
D5
D4
D3
D2
D1
D0
(HEX) 00
Recording FM mix. ratio (0, 0) = 11 dB (R/L) (0, 1) = 10 dB (1, 0) = 9 dB (1, 1) = 8 dB DOC select 0 = On 1 = Off
ND select forced normal on/off
HiFi input select (0, 0) = TV (0, 1) = AUX (1, 0) = BS2 (1, 1) = BS1 Output mode select (0, 0) = HiFi (0, 1) = Mix. (1, 0) = Normal (1, 1) = BS monitor Test*2 0 = Off 1 = On D33 DACR(3)*2 NTSC Zap mode*2 0 = DAC 1 = PROM D23 DACR(2)*2 NTSC
Nor. input select (0, 0) = Nor. rec. in (0, 1) = R-channel (1, 0) = L-channel (1, 1) = L/R mix. Output channel select (SW 17, 19) (0, 0) = Stereo (0, 1) = L-channel (1, 0) = R-channel (1, 1) = xxxx VCC2 select 0=9V 1 = 12 V D13 DACR(1)*2 NTSC Power save 0 = Off 1 = On D03 DACR(0)*2 NTSC
0 = Playback 0 = BS1 1 = Recording 1 = BS2 Line amp gain setting 0 = -6.0 dBs 1 = -7.5 dBs
NTSC/PAL 01 0 = NTSC 1 = PAL
Nor. detection*1 0 = 2.55 V 1 = 2.35 V
BPF L-channel adj.*2 02 (0, 0) = Prohibition (0, 1) = Low shift (1, 0) = High shift (1, 1) = Typical BPF R-channel adj.*2 03 (0, 0) = Prohibition (0, 1) = Low shift (1, 0) = High shift (1, 1) = Typical PBOUT L-channel adj.*2 04 (0, 0) = Prohibition (0, 1) = High Shift (1, 0) = Low Shift (1, 1) = Typical PBOUT R-channel adj.*2 05 (0, 0) = Prohibition (0, 1) = High shift (1, 0) = Low shift (1, 1) = Typical
HiFi AGC 0 = Off 1 = On D43 DACR(4)*2 NTSC
0 = On 1 = Off D53 DACR(5)*2 NTSC
D54 DACL(5)*2 NTSC
D44 DACL(4)*2 NTSC
D34 DACL(3)*2 NTSC
D24 DACL(2)*2 NTSC
D14 DACL(1)*2 NTSC
D04 DACL(0)*2 NTSC
D55 DACR(2)*2 PAL
D45 DACR(1)*2 PAL
D35 DACR(0)*2 PAL
D25 DACL(2)*2 PAL
D15 DACL(1)*2 PAL
D05 DACL(0)*2 PAL
Note) *1: Described as 21-pin DC voltage. *2: Used for the inspection.
20
ICs for VCR
s Application Notes (continued)
* Serial control timing specification (continued) 5. Usage notes
AN3664NFB
Serial data transmission You need to send the start and stop conditions every time you send one line of data. To change a serial mode setting, you have only to send one line of data on the part to be changed.
Sub address
Sub address
Address
Address
ACK
ACK
ACK Stop
ACK
ACK
ACK ACK
Start
Start
Data
Data
1st line of data
2nd line of data
Sub address
Sub address
Address
Address
ACK
ACK
ACK Stop
Stop ACK
3rd line of data
4th line of data
ACK Stop
21
Start
Start
Data
Data
22
0.047 F Typical input level = (1 kHz, -20 dBs) VREF1 TV in (L) 4.7 M AUX in (L) BS1 in (L) BS2 in (L) 4.7 k 100 F 510 9 33 F 22 F 0.015 F CCA out (L) GND1 L NR ref. (L) 22 F 10 F 1 F 1 F 1 F 1 F
Emph. (L)
8
7
6
5
4
3
2
1
AN3664NFB
12
11
10
0.01 F S/H Peak det. VU out (L) (3.6 V) Det. LPF Log F0-adj. L-channel DAC (NTSC/PAL) VREF1 1/2VCC (5 V) Input SW
13 48
N.C. 14
47
Log
SW noise 10 k SW4 Rec. LPF Audio limit PB LPF Amp. Amp. PC PB trap LPF Mix. Logic 10 k SW1 CCA 12.9 k VCO
s Application Circuit Example
Rec. FM out (Mix.) (commonly used for BPF monitor) 4-stage serial setting available for R/L ratio of 8, 9, 10, 11 dB, respectively EVOL SW2 /AGC
VU out (R)
15 46
PB
0.01 F
Rec. 10 F Line out (L)
16
I2C
clock
17
L-ch. BPF BS2 Hi-Fi Liner SW Mix Normal R-ch. BPF Mix FM Lim. Mute BS1 SW16 L L R SW17
I2C
data
45 44 10 F 43 42 41
RFC Det. 10 F
18
Audio FF input
Line out (R) Typical output level (1 kHz) At Gain = Low: -7.5 dBs At Gain = High: -6 dBs
PB FM input L/R mix. = 280 mV[p-p] Hold timing Noise det. HPF Audio limit Rec. LPF SW9 SW noise CCA VCO DAC (NTSC/PAL) F0-adj. R-channel S/H PB LPF PC
19
RF conv. out (1 kHz, -6 dBs)
0.01 F
40
SW22 L+R L R
RF conv. AGC det.
0.01 F 20
LR SW19 Normal Hi-Fi SW18 R BS2 BS1 Mute
39
Nor. rec. in
47 F VCC (12 V)
38 37
10 F 150 k SW6 SW7 EVOL /AGC 0.22 F
Forced normal (Nor. = L, HiFi = H) (commonly used for ENV det. out) PB trap LPF Buffer 10 k 12.9 k 10 k
Normal out (1 kHz, -20 dBs) Normal in (1 kHz, -20 dBs)
Noise det.
21
0.22 F
22
Det. LPF Peak det.
PE
23
Mute CTL (Open or High = On)
Input SW
N.C. 24
26
100 F 0.015 F
27
28
30 29
510 2.2 F
31
33
1 F
34
1 F
35
36
25 Emph. (R)
0.01 F
NR ref. (R)
GND1 R
1 F BS1 in (R) &Nor. rec. in 32
1 F V CC1 (5 V)
CCA out (R)
4.7 k
TV in (R)
AUX in (R) BS2 in (R)
ICs for VCR
0.047 F 33 F
Typical input level = (1 kHz, -20 dBs)

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