JBL Ms 8 Service Manual
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4 LTC1694 1694fa –+ SLEW RATE DETECTOR CONTROL LOGIC 0.65VVREF VOLTAGE COMP 1.925mA STANDBY CHANNEL ONE CHANNEL TWO (DUPLICATE OF CHANNEL ONE) 1694 BD 1 175µA 100µA VCC 5 SMBus1 SMBus2 2 GND 4 BLOCK DIAGRA W Figure 1 LTC1694 V CC GND VCC5V C1 0.1µF SMBus1 SMBus25 4 1 2 HP5082-2080 TEST RAMP VOLTAGE BSS284 V R1k – 10V 1694 f01a – + LT1360 BOOSTED PULL-UP 2.2mA (TYP) 275µA(TYP) TEST RAMP VOLTAGE 0µA V CC 1694 F01b 0.5V/µs 0V V THRES IPULL-UP = VR1k½ TEST CIRCUITS MS-8 80
Philips Semiconductors Product speciÞcation Multiple voltage regulator with switch and ignition bufferTDA3681 FEATURES General · Extremely low noise behaviour and good stability with very small output capacitors · Second supply pin for regulators 3 and 4 to reduce power dissipation (e.g. via a DC-to-DC converter) · Three V P-state controlled regulators (regulators 1, 3 and 4) and a power switch · Regulator 2, reset and ignition buffer operational during load dump and thermal shutdown · Combined control pin for switching regulators 1 and 3 · Separate control pins for switching regulator 4 and the power switch · Supply voltage range from -18 to +50 V · Low quiescent current in standby mode (when regulators 1, 3 and 4 and power switch are switched off and ignition input is low) · Hold output for low V P(regulators 1, 3 and 4 and power switch off) · Hold output when one of regulators 1 and 3 and/or 4 is out of regulation · Hold output for foldback mode of power switch and regulators 1, 3 and 4 · Hold output for load dump and temperature protection · Reset (push-pull output stage) for regulator 2 and hold output (open-collector output) · Adjustable reset delay time · High supply voltage ripple rejection · Backup capacitor for regulator 2 · One independent ignition buffer (active HIGH). Protections · Reverse polarity safe (down to -18 V without high reverse current) · Able to withstand voltages up to 18 V at the outputs (supply line may be short-circuited) · ESD protection on all pins · Thermal protections · Load dump protection · Foldback current limit protection for regulators 1, 2, 3 and 4 · Delayed second current limit protection for the power switch (at short-circuit) · The regulator outputs and the power switch are DC short-circuit safe to ground and supply (V P). GENERAL DESCRIPTION The TDA3681 is a multiple output voltage regulator with a power switch and an ignition buffer. It is intended for use in car radios with or without a microcontroller. The TDA3681 contains the following: · Four fixed voltage regulators with a foldback current protection (regulators 1, 2, 3 and 4). Regulator 2, which is intended to supply a microcontroller, also operates during load dump and thermal shutdown · Regulators 3 and 4 have a second supply pin that can be connected to a lower supply voltage (>6.5 V) to reduce the power dissipation · A power switch with protection, operated by a control input · Reset and hold outputs that can be used to interface with the microcontroller; the reset signal can be used to call up the microcontroller · Both supply pins can withstand load dump pulses and negative supply voltages · Regulator 2, which is in regulation at a backup voltage above 6.5 V · A provision for the use of a reserve supply capacitor that will hold enough energy for regulator 2 (5 V continuous) to allow a microcontroller to prepare for loss of voltage · An ignition input Schmitt trigger with push-pull output stage. ORDERING INFORMATION TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA3681J DBS17P plastic DIL-bent-SIL power package; 17 leads (lead length 7.7 mm) SOT243-3 TDA3681JR DBS17P plastic DIL-bent-SIL (special bent) power package; 17 leads (lead length 12 mm) SOT475-1 TDA3681TH HSOP20 plastic, heatsink small outline package; 20 leads; low stand-off height SOT418-2 MS-8 81
2002 Apr 10 4 Philips SemiconductorsProduct speciÞcation Multiple voltage regulator with switch and ignition bufferTDA3681 BLOCK DIAGRAMS handbook, full pagewidth MGL902 REGULATOR 2 REGULATOR 4 REGULATOR 1 16 14 7 + TEMPERATURE LOAD DUMP PROTECTION 17 11 9 3 10 8 13 POWER SWITCH BACKUP SWITCH BACKUP CONTROL & & & &OR GND (14.4 V) TDA3681J TDA3681JR RES REG2 REG4 REG1 (14 V/ 3 A) (14 V/ 100 mA) (5 V/ 300 mA) (3.3 V/ 1 A) (8.5 V/ 600 mA) SW V P1 ENSW EN4V P2 EN1/3 C RES BU HOLD 12 1 IGNITION BUFFER5IGN OUT IGN IN 6 4 REGULATOR 3®3 (5 V/ 1400 mA) 2 15 Fig.1 Block diagram of TDA3681J and TDA3681JR. MS-8 82
2002 Apr 10 5 Philips SemiconductorsProduct speciÞcation Multiple voltage regulator with switch and ignition bufferTDA3681 handbook, full pagewidth MGU353 REGULATOR 2 REGULATOR 4 REGULATOR 1 16 13 4 + TEMPERATURE LOAD DUMP PROTECTION 14 8 6 20 7 5 10 POWER SWITCH BACKUP SWITCH BACKUP CONTROL & & & &OR GND (14.4 V) TDA3681TH RES REG2 REG4 REG1 (14 V/ 3 A) (14 V/ 100 mA) (5 V/ 300 mA) (3.3 V/ 1 A) (8.5 V/ 600 mA) SW V P1 ENSW EN4 11 HEATTAB n.c. n.c. 15 18 V P2 EN1/3 C RES BU HOLD 9 17 IGNITION BUFFER2IGN OUT IGN IN 3 1 REGULATOR 3®3 (5 V/ 1400 mA) 19 12 Fig.2 Block diagram of TDA3681TH. MS-8 83
Philips SemiconductorsProduct speciÞcation Multiple voltage regulator with switch and ignition bufferTDA3681 PINNING Pin description of TDA3681J and TDA3681JR SYMBOL PIN DESCRIPTION REG1 1 regulator 1 output REG3 2 regulator 3 output V P23 second supply voltage REG4 4 regulator 4 output IGN IN5 ignition input IGN OUT6 ignition output (active HIGH) RES 7 reset output (active LOW) C RES8 reset delay capacitor EN4 9 enable input for regulator 4 EN1/3 10 enable input for regulators 1 and 3 ENSW 11 enable input for power switch HOLD 12 hold output (active LOW) GND 13 ground BU 14 backup switch output REG2 15 regulator 2 output SW 16 power switch output V P117 supply voltage heat tab -heat tab; it is strongly recommended to connect the heat tab to ground handbook, halfpage TDA3681J TDA3681JR MGL903 V P2 REG1 REG3 REG4 IGN IN IGN OUT C RES EN4 RES EN1/3 ENSW HOLD GND BU REG2 SW V P1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Fig.3 Pin configuration for TDA3681J and TDA3681JR. MS-8 84
Philips SemiconductorsProduct speciÞcation Multiple voltage regulator with switch and ignition bufferTDA3681 Pin description of TDA3681TH Note 1. The pin is used for final test purposes. In the application it should be connected directly to ground. SYMBOL PIN DESCRIPTION REG4 1 regulator 4 output IGN IN2 ignition input IGN OUT3 ignition output (active HIGH) RES 4 reset output (active LOW) C RES5 reset delay capacitor EN4 6 enable input for regulator 4 EN1/3 7 enable input for regulators 1 and 3 ENSW 8 enable input for power switch HOLD 9 hold output (active LOW) GND 10 ground HEATTAB 11 heat tab connection; note 1 REG2 12 regulator 2 output BU 13 backup switch output V P114 supply voltage n.c. 15 not connected SW 16 power switch output REG1 17 regulator 1 output n.c. 18 not connected REG3 19 regulator 3 output V P220 second supply voltage handbook, halfpage TDA3681TH MGU329 1 2 3 4 5 6 7 8 9 10 REG4 IGN IN IGN OUT RES C RES EN4 EN1/ 3 ENSW HOLD GND V P2 REG3 n.c. REG1 SW n.c. V P1 BU REG2 HEATTAB 20 19 18 17 16 15 14 13 12 11 Fig.4 Pin configuration for TDA3681TH. MS-8 85
GENERAL DESCRIPTION The AK5358A is a stereo A/D Conv er ter w ith w ide sam pling rate of 8kHz 96kHz and is suitable for consumer to professional audio system. The AK5358A achieves high accura cy and low cost by using Enhanced dual bit techniques. The AK5358A requires no external components because the analog inputs are single-ended. The audio interface has two formats (MSB justified, I2S) and can correspond to various systems like DTV, DVR and AV Receiver. FEATURES Linear Phase Digital Anti-Alias Filtering Single-ended Input Digital HPF for DC-Offset cancel S/(N+D): 92dB DR: 102dB S/N: 102dB Sampling Rate Ranging from 8kHz to 96kHz Master Clock: 256fs/384fs/512fs/768fs (8kHz 48kHz) 256fs/384fs (48kHz 96kHz) Input level: TTL/CMOS Master / Slave Mode Audio Interface: 24bit MSB justified / I2S selectable Power Supply: 4.5 5.5V (Analog), 2.7 5.5V (Digital) Ta = 20 85C Sm all 16pin TSSOP Package AK5357/58/59/81 Pin-compatible \b Modulator MCLK A INL LRCK SCLK SDTO DIF VCOM Clock Divider A INR A GND V A Decimation Filter Serial I/OInterface Voltage Reference CKS1 DGND VDCKS2 \b Modulator Decimation Filter PDN CKS0 96kHz 24-Bit ADC AK5358 A MS-8 86
AS
AH I KAS EI [AK5 358 A]
M S051 1-E-00 2006/ 06
- 2 -
Orderi ng Gu id e
AK5358 AET
20
+8
5
C
16pi n T SS O P ( 0.65mm pitc h )
A KD 5358 A E valu atio n Board fo r A K53 58A
P in La yo ut
CKS1
VCOM
VD
DGND AINR
AINL
AGND
VA Top View 8 7 6
5 4 3
2 1
9
10 11 12 13 14 15 16
DIF
PDN
LRCK MCLK SCLK CKS2 CKS0
SDTO
Co mp atib ili ty w ith A K 5357 , A K5358 , A K5359 an d A K 53 81
AK 5357 A K5358 AK 5358A AK53 81 A K53 59 f
s 4k H z t o 96 kHz 8k H z t o 96 kHz 8k H z t o 96 kHz 4k H z t o 96k Hz 8kH z t o 21 6kH z S
/( N +D ) 88dB 9 2dB 92 dB 96dB 94 dB D
R 102dB 102d B 102d B 106dB 102d B V
IH @ TTL L ev el
Mo de 2
.2 V 2.2 V 2. 2V 2. 4V Not A va il a bl e V
A ( A nalo g S uppl y) 2.7 t o 5.5V 4.5 t o 5.5V 4.5 to 5.5V 4.5 to 5.5V 4.5 to 5. 5V 2.7 t
o 5.5V V
D ( D ig it a l S uppl y) 2.7 t o 5.5V 2.7 t o 3.6V 2.7 to 5.5V
3.0 to 5. 5V
@96kH z 3.0 t
o 5. 5V H
PF Disab le Availa ble Not A vaila ble Not A vaila ble Availa ble Availa ble O
pera tin g
T em per atu re ET:
20
+8
5
C
VT :
40
+8
5
C
ET
:
20
+8
5
C
ET
:
20
+8
5
C
ET
:
20
+8
5
C
VT :
40
+8
5
C
XT :
40
+8
5
C
ET
:
20
+8
5
C
VT :
40
+8
5
C
MS-8
87
ASAHI KASEI
[AK5358A]
MS0511-E-00 2006/06 - 3 -
PIN / FUNCTION
No. Pin Name I/O Function 1 AINR
I Rch Analog Input Pin 2 AINL
I Lch Analog Input Pin 3 CKS1
I Mode Select 1 Pin 4 VCOM O
Common Voltage Output Pin, VA/2
Bias voltage of ADC input. 5 AGND - Analog Ground Pin
6 VA
- Analog Power Supply Pin, 4.5
5.5V
7 VD
- Digital Power Supply Pin, 2.7
5.5V
8 DGND
- Digital Ground Pin 9 SDTO O
Audio Serial Data Output Pin
“L” Output at Power-down mode. 10 LRCK I/O
Output Channel Clock Pin
“L” Output in Master Mode at Power-down mode. 11 MCLK
I Master Clock Input Pin 12 SCLK I/O
Audio Serial Data Clock Pin
“L” Output in Master Mode at Power-down mode. 13 PDN
I Power Down Mode & Reset Pin
“H”: Power up, “L”: Power down & Reset
The AK5358A must be reset once upon power-up. 14 DIF
I Audio Interface Format Pin
“H”: 24bit I
2
S Compatible, “L”: 24bit MSB justified 15 CKS2
I Mode Select 2 Pin 16 CKS0
I Mode Select 0 Pin
Note: All input pins except analog input pins (AINR, AINL) should not be left floating.
Handling of Unused Pin
The unused input pins should be processed appropriately as below.
Classification Pin Name Setting
AINL
Th is pin sh ould be open . Analog
AINR Th is pin sh ould be open .
MS-8
88
LM124, LM124A, LM224, LM224A LM324, LM324A, LM324Y, LM2902, LM2902Q QUADRUPLE OPERATIONAL AMPLIFIERS SLOS066E± SEPTEMBER 1975 ± REVISED FEBRUARY1997 POST OFFICE BOX 655303 w DALLAS, TEXAS 75265 Wide Range of Supply Voltages: Single Suppl y...3 V to 30 V (LM2902 and LM2902Q 3 V to 26 V), or Dual Supplies Low Supply Current Drain Independent of Supply Voltage . . . 0.8 mA Typ Common-Mode Input Voltage Range Includes Ground Allowing Direct Sensing Near Ground Low Input Bias and Offset Parameters: Input Offset Voltage ...3 mV Typ A Versions ...2 mV Typ Input Offset Current...2 nA Typ Input Bias Current...20 nA Typ A Versions . . . 15 nA Typ Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage . . . 32 V (26 V for LM2902 and LM2902Q) Open-Loop Differential Voltage Amplification . . . 100 V/mV Typ Internal Frequency Compensation description These devices consist of four independent high-gain frequency-compensated operational amplifiers that are designed specifically to operate from a single supply over a wide range of voltages. Operation from split supplies is also possible when the difference between the two supplies is 3 V to 30 V (for the LM2902 and LM2902Q, 3 V to 26 V) and V CC is at least 1.5 V more positive than the input common-mode voltage. The low supply current drain is independent of the magnitude of the supply voltage. Applications include transducer amplifiers, dc amplification blocks, and all the con\ ventional operational amplifier circuits that now can be more easily implemented in single-sup\ ply-voltage systems. For example, the LM124 can be operated directly from the standard 5-V supply that is used\ in digital systems and easily provides the required interface electronics without requiring additional + 15-V supplies. The LM2902Q is manufactured to demanding automotive requirements. The LM124 and LM124A are characterized for operation over the full milit\ ary temperature range of ± 55 5C to 125 5C. The LM224 and LM224A are characterized for operation from ± 25 5C to 855 C. The LM324 and LM324A are characterized for operation from 0 5C to 70 5C. The LM2902 and LM2902Q are characterized for operation from ± 40 5C to 1255 C. Copyright W 1997, Texas Instruments IncorporatedPRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. + ± IN ± IN + OUT 1 2 3 4 5 6 714 13 12 11 10 9 81OUT1IN ±1IN+ V CC 2IN+ 2IN ± 2OUT 4OUT 4IN ± 4IN+ GND 3IN+ 3IN ± 3OUT LM124, LM124A ...J OR W PACKAGE ALL OTHERS . . . D, DB, N OR PW PACKAGE (TOP VIEW) 3212019 910111213 4 5 6 7 8 18 17 16 15 144IN+ NC GND NC 3IN+ 1IN+ NC V CC NC 2IN+ LM124, LM124A . . . FK PACKAGE (TOP VIEW) 1IN ± 1OUT NC 3IN ± 4IN ± 2IN ± 2OUT NC NC ± No internal connection 3OUT 4OUT symbol (each amplifier) MS-8 89