TDA8932B_15 Datasheet, PDF (3/48 Pages) NXP Semiconductors – Class-D audio amplifier

NXP Semiconductors
6. Block diagram
TDA8932B
Class-D audio amplifier
IN1P
2
IN1N
3
INREF
12
IN2P
15
IN2N
14
DIAG
4
CGND
7
POWERUP
6
ENGAGE
5
OSCREF OSCIO
10 31
OSCILLATOR
V_SSD
PWM
MODULATOR
V_DDA
8
CTRL
MANAGER
PWM
MODULATOR
PROTECTIONS:
OVP, OCP, OTP,
UVP, TF, WP
CTRL
MODE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
V_DDA
STABILIZER 11 V
V_SSP1
V_DDA
STABILIZER 11 V
V_SSP2
REGULATOR 5 V
V_SSD
V_DDA
28
BOOT1
29
V_DDP1
27
OUT1
26
V_SSP1
21
BOOT2
20
V_DDP2
22
OUT2
23
V_SSP2
25
STAB1
24
STAB2
18
DREF
11
HVPREF
TEST
13
Fig 1. Block diagram
TDA8932B
9
V_SSA
1, 16, 17, 32
V_SSD(HW)
V_SSA
HALF SUPPLY VOLTAGE
30
HVP1
19
HVP2
001aaf597
TDA8932B_4
Product data sheet
Rev. 04 — 18 December 2008
© NXP B.V. 2008. All rights reserved.
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