NXP Semiconductors TDA8932B - Manual (Page 3)

TDA8932B_4 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 04 — 18 December 2008 3 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
6. Block diagram
Fig 1. Block diagram
001aaf597
2
10 31 8
28
29
27
3
12
TDA8932B
OSCILLATOR
26
BOOT1
V DDP1
OUT1
V SSP1
PWM
MODULATOR
DRIVER
HIGH
DRIVER
LOW
CTRL
MANAGER
CTRL
PWM
MODULATOR
PROTECTIONS:
OVP, OCP, OTP,
UVP, TF, WP
STABILIZER 11 V
STABILIZER 11 V
REGULATOR 5 V
MODE
V
DDA
15
14
IN1P
OSCREF OSCIO V DDA
V
SSD
IN1N
INREF
IN2P
IN2N
6
POWERUP
4
DIAG
7
CGND
21
20
22
23
BOOT2
V DDP2
OUT2
25
STAB1
24
STAB2
18
11
DREF
HVPREF
30
HVP1
19
HVP2
V SSP2
DRIVER
HIGH
DRIVER
LOW
V
DDA
V
SSP1
V
SSP2
V SSD
V DDA
V
SSA
HALF SUPPLY VOLTAGE
5
ENGAGE
13
9
TEST
V
SSA
1, 16, 17, 32
V
SSD(HW)