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ICs for VCR
AN3389SB
Recording/Playback Amplifier IC for 4-Head VCR
s Overview
The AN3389SB is a multi-functional recording and playback IC with built-in auto-tracking interface, and automatic head selector at special playback for 4-head VCR.
0.350.1 Unit : mm
s Features
* Single power supply : VCC=5V typ. * Built-in AGC circuit for recording current control * Automatic head switching for special playback * Built-in an automatic tracking interface
0.8 15.20.3
0.10.1
0.2 - 0.05
0.5
8.40.3 11.930.3
36-Pin SSOP Package (SSOP036-P-0450A)
s Absolute Maximum Ratings (Ta=25 C)
Parameter Supply voltage
Note 2)
Symbol VCC
ICC
Rating 5.6 160 930 -20 to + 70 -55 to + 125
Unit V mA mW C C
Supply voltage Note 2) Power dissipation Note 3) Operating ambient temperature Note 1) Storage temperature Note 1)
PD Topr Tstg
Note 1) Ta=25C except operating ambient temperature and storage temperature. Note 2) Guaranteed values if RADJ is 20k or more. If RADJ is less than 20k, ensure that the stated power dissipation is not exceeded. Note 3) The power dissipation is that of a package at Ta=70C as mounted on the standard PC board.
s Recommended Operating Range (Ta=25C)
Parameter Operating supply voltage range Symbol VCC Range 4.5V to 5.5V
1.30.25
+ 0.1
1.30.25 2.850.2
1
2
VCC RADJ 47k 0.01F
390pF EPSPSW (EP : H, PB
AN3389SB
s Block Diagram
0.002 F 0.1F 0.002 F 390k F
0.01 F 10k
0.022
VASEL SLOW SW(VIDEO : H, RECEQ AUDIO : L) RECIN AGC OUT AGC DET PBRECSW PLUSCFB AGC IN
ICCADJ RECAGCADJ
MUTE
AUDIO IN
36
35
34
33
32
31
30
VC C 2 PB OUT GND3 ATOUT SP : L) DEF OUT DEF IN SYNC CONT SW 29 28 27 26 25 24 23 22 21 20
19
EF
Det. Amp.
Amp.
LOGIC (EvSWControl) HPF AT OUT TIM MUTE SW
MUTE SW
AGC
HASW EP
ENV
ENV COMP SW SP
1k V-I
Amp.
S/H
V-I
Det.
EP
(+)
VCA SP
(+)
HASW2
HASW1
2
CHARGE
Rec Det.
CH3
SW9 SW10 CH4
CH3
SW8 SW7 CH4
EP
SP
(-)
SP
SW3 SW6 1
VCC1 CHARGE DUMP3 EPCOM RECAGC DET 1k
SW4
EP (-)
SW2 SW5
SW1
(-)
(-)
2
3
4
7 CH4 68pF REF
8 1k
9 1k
10
11
DUMP2 DUMP1 SPCOM
5 6 CH3 GND1
VCC 47k
100F 33 VCC (typ.5V) F 0.01 F
+ - 0.1 F 0.01 F
68pF 0.1F HEAD 0.1F HEAD
0.01
0.01
F
F
12 13 14 15 16 17 18 CH1 GND2 CH2 HOLD DUMP2 AGCTL VGCTL 68pF MINDCFB 1k 0.1 68pF F 0.1F HEAD 0.1F HEAD 0.01F
VCC
ICs for VCR
47k
ICs for VCR
s Electrical Characteristics (Ta=252C)
Parameter PB quiescent current Rec quiescent current SLOW SW input "L" (Pin36) Rec/PB input "L" (Pin33) MUTE SW input "L" (Pin20) EP/SP input "H" (Pin25) EP/SP input "L" (Pin25) DRUM FF input "H" (Pin23) DRUM FF input "L" (Pin23) SYNC input "H" (Pin22) SYNC input "L" (Pin22) PB CONT input "H" (Pin21) PB CONT input "M" (Pin21) PB CONT input "L" (Pin21) DRUM FF output "H" (Pin24) DRUM FF output "L" (Pin24) PB voltage gain Between CHs gain difference PB output 2nd harmonics distortion Input-conversion noise Head change-over DC unbalance SP selection in AUTO EP selection in AUTO AGC level AGC control characteristics AGC output 2nd harmonics distortion Rec amp. gain Rec AGC level Rec AGC control characteristics Recording current 2nd harmonics distortion Muting ratio Common terminal ON resistance Input terminal ON resistance Output DC drift VCA output voltage 1 (amp. gain) VCA output voltage 2 (amp. f characteristics) VCA output voltage 3 CHARGE Pin2 VCA output voltage 4 CHARGE Pin2 Symbol IPCQ IRCQ VSL VRP VMS VESH VESL VDFH VDFL VSYH VSYL VPCH VPCM VPCL VDOH VDOL GV GV HDP2 NV V23 VSP VEP VAGC VAGC HDA2 IOR IAGC IAGC HDR2 MR RC RI VCC VCA1 VCA2 VCA3 IOUT= -2mA IIN= 2mA f= 4MHz, 0.5mVP-P, CH1 to CH4 f= 4MHz, 0.5mVP-P, CH1 to CH4 f= 4MHZ, 0.5mVP-P, 8MHz/4MHz Rg= 10, 1MHzBPF, output/GV Rg= 10, output DC difference CH1, CH4 input,Pin24 DC measurement CH2, CH3 input,Pin24 DC measurement f= 4MHz, 40mVP-P f= 4MHz, 500mVP-P f= 4MHz, 500mVP-P f= 4MHz, 20mVP-P f= 4MHz, 125mVP-P RAGC= 18k f= 4MHz, 250mVP-P RAGC= 18k f= 4MHz, 125mVP-P RAGC= 18k f= 4MHz, 125mVP-P RAGC= 18k SW5, SW6 ON SW1 to SW4 ON Supply voltage when Rec circuit is not operating in PB Video side 6dB amp. f= 4MHz, 1mVP-P Video side 6dB amp. f= 4MHz/6MHz, 1mVP-P AUDIO-SP mode 1.2VP-P input VIR= 120k AUDIO-SP mode 0.2VP-P input VIR= 120k 260 17.8 0 - 40 - 45 5 5 4.5 - 0.15 - 0.15 0.30 0.50 0.05 0.05 0.70 0.75 0.30 0.30 1.20 1.00 -100 0 4.0 255 0 -50 360 20.0 320 0 At PB At Rec Input level at SLOW Input level at Rec Input level at MUTE OFF Condition min 60 90 0 0 0 2.9 0 1.7 0 1.5 0 3.8 1.9 0 4.0 0 57.5 -1.0 60.0 0 - 45 typ 85 120 max 110 150 1.8 1.3 1.4 5.0 2.1 5.0 1.0 5.0 0.7 5.0 3.1 1.1 5.0 1.0 62.5 1.0 - 40 100 1.0 5.0 390 2 - 40 465 22.4 1.2 -35 - 40 10 10
AN3389SB
Unit mA mA V V V V V V V V V V V V V V dB dB dB mV V V mVP-P dB dB mS mAP-P dB dB dB V V V V V
Note
PB PB PB PB PB PB PB PB PB PB Rec Rec Rec Rec Rec
1.0 Vrms
PB PB PB PB
VCA4
3
AN3389SB
s Electrical Characteristics (cont.) (Ta=252C)
Parameter VCA output voltage 5 CHARGE Pin2 Droop voltage HOLD Pin15 Saturation voltage (VCC side) ATOUT Pin26 Saturation voltage(GND side) ATOUT Pin26 Offset voltage ATOUT Pin26 V/A SEL input "L" (Pin35) Crosstalk PB output 3rd harmonics distortion AGC output 3rd harmonics distortion Recording current 3rd harmonics distortion Recording current cross modulation (fc) Recording current cross modulation (2fc) Symbol VCA5 Condition AUDIO-SP mode 0.1VP-P input VIR=120k AUDIO-SP mode 0.4VP-P input HOLDC= 0.01F AUDIO -SP mode 0.6VP-P input HOLDC= 0.01F AUDIO-SP mode 0.6VP-P input HOLDC= 0.01F AUDIO-SP mode in no signal Input condition HSW, HASW change-over Rg=10 f= 4MHz, 0.5mVP-P 12MHz/4MHz f= 4MHz, 500mVP-P f= 4MHz, 125mVP-P fy= 4MHz, 20mAP-P fc= 630kHz, -13dB fy= 4MHz, 20mAP-P fc= 630kHz, -13dB 0 min 0.50 typ 0.75 max 1.00
ICs for VCR
Unit V
Note PB
VDLP
50
150
mV
PB
VSAT
4.6
4.9
V
PB
GSAT VOFS VATH CT HDP3 HDA3 HDR3 CM1 CM2
0.1 0.1
0.4 0.4 0.7 (-35)
V V V dB dB dB dB dB dB
PB PB PB
(- 45) (-50) (- 45)
(- 40) (- 40) (- 40) (-50) (-50)
s Pin Descriptions
Pin No. 1 2 3 4 5 6 7 8 9 VCC CHARGE Pin name
Note) Values with an asterisk are typical ones and not guaranteed values.
s Reference
Pin No. Pin name 17 AFM signal gain control input 18 VFM signal gain control input 19 AFM signal input 21 Playback mode control input 22 SYNC signal input 23 DRUM FF signal input 24 DRUM FF signal output 25 EP/SP switch input 26 Automatic tracking signal output 27 GND 28 Playback amp. output 29 VCC 30 Rec. AGC level adjustment 31 Playback AGC signal input 32 33 Playback AGC detection Rec. positive amp. DCFB Playback AGC signal output Playback/Rec. switch input
Power dissipation PD (mW)
PD--Ta
1800 1600 1453 1400 1200 1008 1000 800 600 400 200 0 0 25 50 75 100 125 150 Glass-epoxy board (50mm x 50mm x t 0.8mm) Rthj--a=86C/W PD=1453mW (25C) IC without heatsink Rthj-a=124C/W PD=1008mW (25C)
Rec AGC detection Ch3 damping adjustment Playback common Rec. EP (+) amp. output Playback amp. ch3 signal input Rec. EP (-) amp. output GND Playback amp. ch4 signal input Rec. EP (-) amp. output Playback ref. voltage output Ch4 damping adjustment Playback common
20 Rec. mute switch input
10 Ch1 damping adjustment 11 12 Rec. SP (+) amp. output Playback amp. ch1 signal input Rec. SP (-) amp. output Playback amp. ch2 signal input Rec. SP (-) amp. output HOLD Rec. (-) amp. DCFB
Ambient temperature Ta (C)
13 GND 14 15
34 Rec. amp. signal input 35 VFM/AFM switch input 36 Slow switch input Rec. equalization
16 Ch2 damping adjustment
4
ICs for VCR
s Pin Descriptions
Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit
AN3389SB
Description
VCC (5V)
1
VCC1
5V
1
Power supply input for playback and recording amplifiers
(For playback)
5k
5k
2
CHARGE
1.25V (PB)
200
2
0.1F
Integration output of automatic tracking interface peak detection signal for the playback mode. An external capacitor is connected to this pin for integration function.
(For recording) Recording AGC detection. Connected to an external capacitor for the recording mode
2
0.1F
2
Rec. AGC Det.
200
15k 15k
3 9 10 16
DUMP3 DUMP4 DUMP1 DUMP2 1.65V (PB)
36k
70k
3
(9) (10) (16)
Head amplifier damping adjustment. Connected to an external resistor
5k
(For recording)
10
4 11
EPCOM SPCOM
2.2V (Rec)
4
100 100 (11)
Recording current output for the recording mode. Pin4 (EPCOM) is terminated in the SP mode, and Pin11 (SPCOM) is terminated in the EP mode.
10
5
AN3389SB
s Pin Descriptions (cont.)
Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit (For playback) 5 7 12 14 CH3 CH4 CH1 CH2 0.69V (PB)
50k 15k
ICs for VCR
Description
5
(7) (12) (14)
Playback amplifier input for the playback mode
(For recording) 5 7 12 14 CH3 CH4 CH1 CH2
20 20
2.2V (Rec)
5
150 100 (7) (12) (14)
Recording current output for the recording mode
6
GND1
0V
6
Ground for playback and recording amplifiers in the EP mode
5k
8
REF
3.2V
8
Reference voltage output for playback amplifiers
5k
24k
13
GND2
0V
13
Ground for playback and recording amplifiers in the SP mode
6
ICs for VCR
s Pin Descriptions (cont.)
Pin No. PIn name DC voltage (VCC=5V) Equivalent circuit (For playback)
15
200
AN3389SB
Description
15
HOLD
1.25V (PB)
0.1F
Peak hold of automatic tracking interface peak detection integration signal for the playback mode. An external capacitor is connected to this pin for peak hold function.
(For recording) MIN DCFB 2.2V (Rec)
100
15
150 100
15
0.1F
Connecting to an external capacitor for recording amplifier DC voltage feedback at the recording mode
46K
17 18
AGCTL VGCTL
2.5V
2.8K
17 18
2.8K 46K
2.5V
Gain control of automatic tracking interface amplifiers.Pin17(AGCTL) controls the gain in the audio mode, and Pin18 (VGCTL) controls the gain in the video mode.
(For playback) AUDIO -IN 2.5V for playback, and 0.7V for recording
200 20k
19
19
Automatic tracking interface audio FM signal input
(For recording) MUTE 20 SW
20
200
20k 25k 25k 10k
Mute control for the recording mode. Muting is on at low and OFF at high (open).
7
AN3389SB
s Pin Descriptions (cont.)
Pin No. Pin name DC voltage (VCC=5V) (For playback)
20k
ICs for VCR
Equivalent circuit
Description
21
PBCONT
21
200
Playback mode control. Manual, auto, or still/slow mode is selected when this pin is high, middle, or low respectively. Pin36 selects still or slow mode.
20
50k 200
22
SYNC
22
SYNC signal input. Recording AGC operates when this pin is high.
200
23
DFF IN
23
DRUM.FF signal input
20k
20k
Color rotation control signal output. 24 DFF OUT
24
This pin goes low when + azimuth head (ch1 or ch3) is selected, and goes high when - azimuth head (ch2 or ch4)is selected.
EP/SP mode selection control.
200
25
EPSPSW
5V
25
The EP mode is selected when this pin is high, and the SP mode is selected when this pin is low.
8
ICs for VCR
s Pin Descriptions (cont.)
Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit
AN3389SB
Description
26
AT OUT
0.1V
26
Peak hold voltage output of automatic tracking interface peak detection integration signal for the playback mode. In the recording mode, this pin is forcibly terminated.
27
GND3
0V
27
Ground
4.8k
200
28
FM OUT
3.2V for playback
420
28
Playback amplifier output
VCC (5V)
29
VCC2
5V
29
VCC
ICC ADJ 30 Rec AGC ADJ 3.4V
30
200
Recording amplifier idle-current control as well as recording AGC level control
9
AN3389SB
s Pin Descriptions (cont.)
Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit
ICs for VCR
Description
31
31
AGC IN
3.6V for playback
6k
200
AGC amplifier input
400
(For playback)
32
AGC Det.
0.1F
32
AGC amplifier detection. Connected to an external capacitor
32
PLUS DCFB
2.2V for recording
32
100 100 0.1F
Connecting to an external capacitor for recording amplifier DC voltage feedback for the recording mode.
50k
AGC OUT 33 PB Rec SW
3.1V for playback
33
AGC amplifier output as well as playback/recording mode selection control. Recording mode is selected when this pin is low.
34
34
Rec IN
3V
5k
200
Recording signal input
10
ICs for VCR
s Pin Descriptions (cont.)
Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit
AN3389SB
Description
50k
35
VASEL
5V
35
200
Video/audio mode-selection control for automatic tracking interface. Video mode is selected when this pin is high (open), and audio mode is selected when this pin is low.
50k
SLOW SW
5V for playback
36
200
Still/slow mode selection control. Still mode is selected when this pin is high (open), and slow mode is selected when this pin is low, under the condition that Pin21 (PB CONT) is low.
36
36
Rec EQ
3.7V for recording
960
200
Recording equalization
11

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