TDA8922 Datasheet, PDF (5/36 Pages) NXP Semiconductors – 2 x 25 W class-D power amplifier

Philips Semiconductors
2 × 25 W class-D power amplifier
Objective specification
TDA8922
7 PINNING
SYMBOL
V_SSA2
SGND2
V_DDA2
IN2−
IN2+
MODE
OSC
IN1+
IN1−
V_DDA1
SGND1
V_SSA1
PROT
V_DDP1
BOOT1
OUT1
V_SSP1
STABI
HW
V_SSP2
OUT2
BOOT2
V_DDP2
V_SSD
PIN
TDA8922TH TDA8922J
1
18
2
19
3
20
4
21
5
22
6
23
7
1
8
2
9
3
10
4
11
5
12
6
13
7
14
8
15
9
16
10
17
11
18
12
19
−
20
13
21
14
22
15
23
16
24
17
DESCRIPTION
negative analog supply voltage for channel 2
signal ground for channel 2
positive analog supply voltage for channel 2
negative audio input for channel 2
positive audio input for channel 2
mode selection input: standby, mute or operating
oscillator frequency adjustment or tracking input
positive audio input for channel 1
negative audio input for channel 1
positive analog supply voltage for channel 1
signal ground for channel 1
negative analog supply voltage for channel 1
time constant capacitor for protection delay
positive power supply voltage for channel 1
bootstrap capacitor for channel 1
PWM output from channel 1
negative power supply voltage for channel 1
decoupling of internal stabilizer for logic supply
handle wafer; must be connected to pin V_SSD
negative power supply voltage for channel 2
PWM output from channel 2
bootstrap capacitor for channel 2
positive power supply voltage for channel 2
negative digital supply voltage
2003 Mar 20
5