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3D Effect IC
PT2386
DESCRIPTION
PT2386 is an enhanced 3D Audio Effect IC utilizing CMOS Technology specially designed for the new generation of audio equipments. PT2386 features a bass booster function as well as the latest PTC 3D Audio Technology, thereby, guaranteeing highly powerful, extensive and true-to-life stereo sound stage effect. Furthermore, it does not need any additional complex external circuits making it very easy to design into any audio equipment products. Housed in 18 pins DIP package, PT2386 can operate at a wide operating voltage range and has low power consumption. Pin assignments and application circuit are optimized for easy PCB layout and cost saving benefits.
FEATURES
* * * * * * * * * CMOS technology Wide operating voltage Range: VDD=4V to 10V Low power consumption Very low total harmonic distortion: THD < 0.01% Wide output voltage range: greater than 3Vrms PTC 3D audio technology Built-in 3D LED driver 3D effect switching mode: direct or cyclic Least external components
APPLICATIONS
* * * * * Multi-media audio equipment Home audio equipment Portable audio equipment Car audio equipment Other audio equipment
PT2386 V1.1
-1-
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
BLOCK DIAGRAM
Bypass SW1 3D Control
RIN
Bass Boost
-1
+
PTC HRTFs
-1
+
3D ROUT
LIN
Bass Boost
+1
+
PTC HRTFs
-1
+
3D LOUT
Bypass SW2
3D Control
PT2386 V1.1
-2-
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
PIN CONFIGURATION
LIN RIN BL1 BL2 BR2 BR1 REF GND V DD 1 2 3 4 5 6 7 8 9 PT 2386 18 17 16 15 14 13 12 11 10 LOUT ROUT P1 P2 P3 P4 DB S 3D D/C
PT2386 V1.1
-3-
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
PIN DESCRIPTION
Pin Name LIN RIN BL1 BL2 BR2 BR1 REF GND VDD D/C 3D DBS P4 P3 P2 P1 ROUT LOUT I/O I I O I I O I I/O O I/O I/O I/O I/O O O Description Left channel input pin Right channel input pin Left channel bass booster pin 1 Connect an external capacitor to this pin Left channel bass booster pin 2 Connect an external capacitor to this pin Right channel bass booster pin 2 Connect an external capacitor to this pin Right channel bass booster pin 1 Connect an external capacitor to this pin Reference voltage pin Ground Positive power supply 3D effect switch mode select pin 3D switch/3D LED driver pin 3D capacitor pin 1 Connect an external capacitor to this pin 3D capacitor pin 2 Connect an external capacitor to this pin 3D capacitor pin 2 Connect an external capacitor to this pin 3D capacitor pin 3 Connect an external capacitor to this pin 3D capacitor pin 3 Connect an external capacitor to this pin Right channel output pin Left channel output pin Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
PT2386 V1.1
-4-
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
FUNCTION DESCRIPTION
3D EFFECT ACTIVATION
The 3D effect function is controlled by the 3D Pin. The D/C Pin is used to select the mode of which the 3D effect function is activated. PT2386 provides two ways to activate the 3D effect function, namely: Direct or Cyclic Mode.
CYCLIC MODE
When the D/C Pin is connected to VDD, the Cyclic Mode is selected. Please refer to the diagram below.
1 2 3 4 5 6 7 8 9 LIN RIN BL1 BL2 BR2 BR1 REF GND VCC LOUT 18 ROUT 17 P1 16 P2 15
VDD
PT2386
P3 14 P4 13 DBS 12 3D 11
3D SW
VDD
470 3D LED
D/C 10
The 3D Switch toggles between activating and deactivating the 3D effect function. Under this mode, a 3D LED Display Indicator can be connected. When the 3D effect function is enabled, the LED is displayed. To make sure that the 3D effect function switching operation will work properly, the 3D pin trigger voltage value must not be less than 0.9VDD.
PT2386 V1.1
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February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC DIRECT MODE
PT2386
When the D/C Pin is connected to the Ground, the Direct Mode is selected. Please refer to the diagram below.
1 2 3 4 5 6 7 8 9 LIN RIN BL1 BL2 LOUT 18 ROUT 17 P1 16 P2 15 P3 14 P4 13 DBS 12 3D 11
VDD 3D ON
PT2386 BR2
BR1 REF GND VCC
D/C 10
3D OFF
Under this condition, when the 3D pin is connected to VDD, the 3D effect function is activated. When the 3D Pin is connected to Ground, the 3D effect function is disabled. To make sure that the 3D effect function switching operation will work properly, the 3D pin trigger voltage value must not be less than 0.6VDD.
PT2386 V1.1
-6-
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
3D BASS BOOSTER
The 3D effect function and the bass booster feature can be activated at the same time. Please refer to the diagram below
1 2 L IN R IN BL1 BL2 BR 2 BR 1 R EF GN D VC C LOU T 18
R OU T 17 P1 16 P2 15
0.047 F 0.047 F + 100 F
3 4 5 6 7 8 9
PT 23 86
P3 14 P4 13 D BS 12 3D D /C 11 10
15K
15K
The bass booster level can be adjusted by changing the values of the external components (resistor/capacitor) connected to the Bass Booster Pins (BL1, BL2, BR1, BR2). If the value of the resistors connected to BR2, BL2 are decreased, the Bass Booster gain will increase. The typical resistor value is 15K. Decreasing the value of the capacitance connected to BL1, BL2, BR1, BR2 will increase the bass booster frequency range. Please refer to the diagrams below.
PT2386 BASS BOOST
+6 +5 +4 d B r A +3 +2 +1 -0 -1 20
PT2386 BASS BOOST
+6 +5 +4 d B r A +3 +2 +1 -0 -1 20
50
100
200
500 Hz
1k
2k
5k
10k 20k
50
100
200
500 Hz
1k
2k
5k
10k 20k
From Bottom to Top : R=22K,15K,10K , C=0.047uF
From Bottom to Top : C=0.047uF,0.022uF,0.01uF, R=15K
In order to avoid output clipping, it is recommended that the input signal be limited when the bass booster function is enabled. If the 3D function is switched ON and the bass booster function is not needed, then the bass booster pins -- BL1, BL2, BR1, BR2 must be "open".
PT2386 V1.1
-7-
February, 2006
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3D Effect IC
PT2386
SIGNAL OUTPUT PHASE
The input/output interval phase of PT2386 is 180 inverting when the 3D effect is either turned ON or OFF. For audio system design having more than 2 channels, it is recommended that the phase between each channels be given special attention.
PT2386 V1.1
-8-
February, 2006
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3D Effect IC
PT2386
ABSOLUTE MAXIMUM RATINGS
Parameter Power supply voltage Input voltage Operating temperature Storage temperature Symbol VDD VI Topr Tstg Rating 12 -0.3 to VDD+0.3 -40 to +85 -65 to +150 Unit V V
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VDD=9V, Vin=1Vrms, F=1KHz, Ta=25) Parameter Symbol Conditions Operating voltage VDD VDD=5V, Vin=0V Operating current ICC VDD=9V, Vin=0V VDD=5V, RLOAD=10K, THD=1% Maximum output voltage VOmax VDD=9V, RLOAD=10K, THD=1% VDD=5V, 3D=OFF Maximum input voltage VImax VDD=9V, 3D=OFF Voltage gain AV 3D=OFF Total harmonic distortion THD A-weighting Signal-to-noise ratio S/N A-weighting Channel separation Sc Input impedance RIN Vin=1Vrms Output impedance ROUT Vout=1Vrms "High" level input voltage D/C pin=VDD VIH3D (3D pin) D/C pin=GND "Low" level input voltage VIL3D D/C pin=GND (3D pin)
Min. 4 3 7
85 40 290 -
Typ. 9 4 10
1.1 3.0 0.9 2.5 2 0.005 90 85 47 400 0.9 0.5 0.2
Max. 10 14
1.2
Unit V
mA
mA 3.2 0.01 95 55 Vrms dB % dB dB K VDD VDD
PT2386 V1.1
-9-
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
APPLICATION CIRCUIT
(CYCLIC MODE WITH 3D EFFECT & BASS BOOSTER FUNCTION)
+
LIN 10 F 10 F C3 R3 100K LOUT
+
1 2 3 4 5 6 7 8 9 L IN R IN BL1 BL2 BR 2 BR 1 R EF GN D VC C LOU T 18
R1 100K
C1
C7 C8
C2 0.047 F 0.047 F + 100 F
P1 16 P2 15
C4 0.01 F 0.012 F C11 0.1 F
+
RIN
R2 100K 10 F
10 F R4 100K C9 C10
R OU T 17
ROUT R7 15K
VDD
+
PT 23 86
P3 14 P4 13 D BS 12 3D D /C 11 10
SW1 3D SW R8 470 D1 3D LED
R5 15K
R6 15K
C5
VDD C6 + + 100 F C12 0.1 F
PT2386 V1.1
- 10 -
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
DIRECT MODE WITH 3D EFFECT & BASS BOOSTER FUNCTION
+
LIN 10 F 10 F C3 R3 100K LOUT
+
1 2 3 4 5 6 7 8 9 L IN R IN BL1 BL2 BR 2 BR 1 R EF GN D VC C LOU T 18
R1 100K
C1
C7 C8
C2 0.047 F 0.047 F + 100 F
P1 16 P2 15
C4 0.01 F 0.012 F C11 0.1 F
+
RIN
R2 100K 10 F
10 F R4 100K C9 C10
R OU T 17
ROUT R7 15K VD D 3D ON 3D OF F
+
PT 23 86
P3 14 P4 13 D BS 12 3D D /C 11 10
R5 15K
R6 15K
C5
VD D C6 + + 100 F C12 0.1 F
PT2386 V1.1
- 11 -
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
ORDER INFORMATION
Valid part Number PT2386 PT2386-S Package Type 18 Pins, DIP, 300mil 18 Pins, SOP, 300mil Top Code PT2386 PT2386-S
PT2386 V1.1
- 12 -
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
PACKAGE INFORMATION
18 PINS, DIP, 300MIL
PT2386 V1.1
- 13 -
February, 2006
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3D Effect IC
PT2386
Symbol A A1 A2 b b2 b3 c D D1 E E1 e eA eB eC L
Min.
0.15 0.115 0.014 0.045 0.03 0.008 0.88 0.005 0.30 0.24
Nom.
Max. 0.21
0.195 0.022 0.07 0.045 0.014 0.92 0.325 0.28
0.13 0.018 0.06 0.039 0.01 0.90 0.31 0.25 0.1 BSC. 0.3 BSC.
0.00 0.115
0.13
0.43 0.60 0.15
Notes: 1. All dimensioning are in INCHES. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. 3. Dimension "A", "A1"and "L" are measured with package seated in JEDEC Seating Plane Gauge GS-3. 4. "D", "D1" and "E1" dimensions do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.010 inch. 5. "E" and "eA" measured with the leads constrained to be perpendicular to datum-c- . 6. "eB" and "eC" are measured at the lead tips with the leads unconstrained. 7. "N" is the number of terminal position (N=18). 8. Pointed or rounded lead tips are preferred to ease insertion. 9. "b2" and "b3" maximum dimensions are not include dambar protrusions. Damber protrusions shall not exceed 0.010 inch (0.25mm) 10. Distance between leads including Damber protrusions to be 0.005 inch minimum. 11. Datum plane -H- coincident with the bottom of lead, where lead exits body. 12. Refer to JEDEC MS-001, Variation AC JEDEC is the trademark of JEDEC SOLID STATE TECHNOLOGY ASSOCIATION.
PT2386 V1.1
- 14 -
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
18 PINS, SOP, 300MIL
Symbol A A1 B
C D E e H h L
Min. 2.35 0.10 0.33
0.23 11.35 7.40
Nom.
Max. 2.65 0.30 0.51
0.32 11.75 7.60
1.27 BSC. 10.00 0.25 0.40 0 10.65 0.75 1.27 8
PT2386 V1.1
- 15 -
February, 2006
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
3D Effect IC
PT2386
Notes: 1. Dimensioning and tolerancing per ANSI Y14.5-1982. 2. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash protrusion or gate burrs shall not exceed 0.15mm (0.006 in) per side. 3. Dimension "E" does not include interlead flash or protrusions. Interlead flash or protrusions shall not exceed 0.25mm (0.010 in) per side. 4. The chamfer on the body is optional. It is not present, a visual index feature must be located within the crosshatched area. 5. "L" is the length of the terminal for soldering to substrate. 6. "N" is the number of terminal positions. (N=18) 7. The lead width "B" as measured 0.36mm (0.014 in) or greater above the seating plane, shall not exceed a maximum value of 0.61mm (0.24 in) 8. Controlling dimension: MILLIMETER. 9. Refer to JEDEC MS-013 Variation AB. JEDEC is the trademark of JEDEC SOLID STATE TECHNOLOGY ASSOCIATION.
PT2386 V1.1
- 16 -
February, 2006

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