TDA8933 Datasheet, PDF (4/47 Pages) NXP Semiconductors – Class-D audio amplifier

NXP Semiconductors
6. Block diagram
TDA8933
Class-D audio amplifier
V_DDA OSCREF OSCIO
8
10
31
2
IN1P
OSCILLATOR
V_SSD
3
IN1N
PWM
MODULATOR
CTRL
12
INREF
+
V_SSA
IN2P ¹⁵
14
IN2N
MANAGER
PWM
MODULATOR
CTRL
DRIVER
HIGH
DRIVER
LOW
V_DDA
STABI 11V
V_SSP1
V_DDA
STABI 11V
V_SSP2
DRIVER
HIGH
DRIVER
LOW
V_DDP1
29
28
BOOT1
27
OUT1
26
V_SSP1
25
STAB1
24
STAB2
21
BOOT2
20
V_DDP2
22
OUT2
23
V_SSP2
7
CGND
PROTECTIONS
OVP, OCP, OTP
UVP, TF, WP
REG5V
18
DREF
4
DIAG
6
POWERUP
5
ENGAGE
CGND
9
V_SSA
Fig 1. Block diagram
TDA8933_1
Preliminary data sheet
MODE
13
TEST
V_DDA
V_SSD
V_SSA
HALF SUPPLY VOLTAGE
1, 16, 17, 32
V_SSD(HW)
11
HVPREF
30
HVP1
19
HVP2
010aaa113
Rev. 01 — 15 May 2007
© NXP B.V. 2007. All rights reserved.
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