The TDA8933B is a high-efficiency class D amplifier with low power dissipation

TDA8933B

Manufacturer Part NumberTDA8933B
DescriptionThe TDA8933B is a high-efficiency class D amplifier with low power dissipation
ManufacturerNXP Semiconductors
TDA8933B datasheet
 
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NXP Semiconductors
6. Block diagram
OSCREF
10
OSCILLATOR
2
IN1P
V
SSD
3
IN1N
12
INREF
15
IN2P
14
IN2N
PROTECTIONS:
OVP, OCP, OTP,
4
DIAG
7
CGND
6
POWERUP
5
ENGAGE
13
TEST
Fig 1.
Block diagram
TDA8933B_1
Preliminary data sheet
OSCIO
31
PWM
MODULATOR
MANAGER
PWM
MODULATOR
UVP, TF, WP
MODE
TDA8933BTW
9
1, 16, 17, 32
V
V
SSA
SSD(HW)
Rev. 01 — 23 October 2008
TDA8933B
Class D audio amplifier
V
DDA
8
DRIVER
HIGH
CTRL
DRIVER
LOW
DRIVER
HIGH
CTRL
DRIVER
LOW
V
DDA
STABILIZER 11 V
V
SSP1
V
DDA
STABILIZER 11 V
V
SSP2
REGULATOR 5 V
V
SSD
V
DDA
V
SSA
HALF SUPPLY VOLTAGE
010aaa455
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
30
HVP1
19
HVP2
© NXP B.V. 2008. All rights reserved.
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