Sharp HT-CN150DVW - Page 83

HT-CN150DVW
83
IC501/IC502/IC503 2X50 W class-D power amplifier (TDA8921)
Pin Description:
Symbol Pin Description
V
SSA2
1
negative analog supply voltage for channel 2
SGND2 2 signal ground channel 2
V
DDA2
3
positive analog supply voltage for channel 2
IN2- 4 negative audio input for channel 2
IN2+ 5 positive audio input for channel 2
MODE 6 mode select input (standby/mute/operating)
OSC 7 oscillator frequency adjustment or tracking input
IN1+ 8 positive audio input for channel 1
IN1- 9 negative audio input for channel 1
V
DDA1
10 positive analog supply voltage for channel 1
SGND1 11 signal ground for channel 1
V
SSA1
12 negative analog supply voltage for channel 1
PROT 13 time constant capacitor for protection delay
V
DDP1
14 positive power supply for channel 1
BOOT1 15 bootstrap capacitor for channel 1
OUT1 16 PWM output from channel 1
V
SSP1
17 negative power supply voltage for channel 1
STABI 18 decoupling internal stabilizer for logic supply
HW 19 handle wafer; must be connected to pin 24
V
SSP2
20 negative power supply voltage for channel 2
OUT2 21 PWM output from channel 2
BOOT2 22 bootstrap capacitor for channel 2
V
DDP2
23 positive power supply voltage for channel 2
V
SSD
24 negative digital supply voltage
MBL462
HW
PROT
BOOT1
V
DDP1
V
SSP1
OUT1
BOOT2
V
SSP2
OUT2
V
SSD
V
DDP2
STABI
MODE
V
SSA1
V
DDA1
SGND1
IN1+
IN1-
V
DDA2
IN2+
IN2-
V
SSA2
SGND2
OSC
TDA8920TH
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
FIGURE 2 PIN CONFIGURATION
(1) Pin 19 should be connected to pin 24 in the application.
TDA8921TH
Pin Configuration: