TDA8924 Datasheet, PDF (5/35 Pages) NXP Semiconductors – 2 x 120 W class-D power amplifier

Philips Semiconductors
2 × 120 W class-D power amplifier
Objective specification
TDA8924
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
DESCRIPTION
1 negative analog supply voltage for
channel 2
2 signal ground channel 2
3 positive analog supply voltage for
channel 2
4 negative audio input for channel 2
5 positive audio input for channel 2
6 mode select input
(standby/mute/operating)
7 oscillator frequency adjustment or
tracking input
8 positive audio input for channel 1
9 negative audio input for channel 1
10 positive analog supply voltage for
channel 1
11 signal ground for channel 1
12 negative analog supply voltage for
channel 1
13 time constant capacitor for
protection delay
14 positive power supply for
channel 1
15 bootstrap capacitor for channel 1
16 PWM output from channel 1
17 negative power supply voltage for
channel 1
18 decoupling internal stabilizer for
logic supply
19 handle wafer; must be connected
to pin 24
20 negative power supply voltage for
channel 2
21 PWM output from channel 2
22 bootstrap capacitor for channel 2
23 positive power supply voltage for
channel 2
24 negative digital supply voltage
handbook, halfpage
VSSD 24
VDDP2 23
BOOT2 22
OUT2 21
1 VSSA2
2 SGND2
3 VDDA2
4 IN2−
VSSP2 20
5 IN2+
HW 19
6 MODE
TDA8924TH
STABI 18
7 OSC
VSSP1 17
OUT1 16
8 IN1+
9 IN1−
BOOT1 15
VDDP1 14
PROT 13
10 VDDA1
11 SGND1
12 VSSA1
MDB568
Pin 19 should be connected to pin 24 in the application.
Fig.2 Pin configuration.
2003 Jul 28
5