TDA8929T Datasheet, PDF (6/36 Pages) NXP Semiconductors – Controller class-D audio amplifier

Philips Semiconductors
Controller class-D audio amplifier
Preliminary specification
TDA8929T
7 PINNING
SYMBOL
V_SS1
SGND1
V_DD1
IN1−
IN1+
MODE
OSC
IN2+
IN2−
V_DD2
SGND2
V_SS2(sub)
SW2
REL2
DIAGTMP
EN2
PWM2
V_SSD
STAB
PWM1
EN1
DIAGCUR
REL1
SW1
PIN
DESCRIPTION
1 negative analog supply voltage
channel 1
2 signal ground channel 1
3 positive analog supply voltage
channel 1
4 negative audio input channel 1
5 positive audio input channel 1
6 mode select input
(standby/mute/operating)
7 oscillator frequency adjustment, or
tracking input
8 positive audio input channel 2
9 negative audio input channel 2
10 positive analog supply voltage
channel 2
11 signal ground channel 2
12 negative analog supply voltage
channel 2 (substrate)
13 digital switch output channel 2
14 digital control input channel 2
15 digital input for temperature limit
error report from power stage
16 digital control output for enable
channel 2 of power stage
17 input for feedback from PWM
output power stage channel 2
18 negative digital supply voltage;
reference for digital interface to
power stage
19 pin for a decoupling capacitor for
internal stabilizer
20 input for feedback from PWM
output power stage channel 1
21 digital control output for enable
channel 1 of power stage
22 digital input for current error report
from power stage
23 digital control input channel 1
24 digital switch output channel 1
handbook, halfpage
VSS1 1
SGND1 2
VDD1 3
IN1− 4
IN1+ 5
MODE 6
OSC 7
IN2+ 8
IN2− 9
VDD2 10
SGND2 11
VSS2(sub) 12
24 SW1
23 REL1
22 DIAGCUR
21 EN1
20 PWM1
19 STAB
TDA8929T
18 VSSD
17 PWM2
16 EN2
15 DIAGTMP
14 REL2
13 SW2
MGW149
Fig.2 Pin configuration.
2001 Dec 11
6