TDA8922 PHILIPS [NXP Semiconductors], TDA8922 Datasheet - Page 30

• Manufacturer Part Number: TDA8922
• Description: 2 x 25 W class-D power amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

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V mode
SGND
SGND
V SSA
V in1
V in2
C OSC
R OSC
SGND2
SGND1
MODE
OSC
IN2
IN2
IN1
IN1
1
19
3
2
5
23
22
21
V DDA
V SSA
MODE
V DDA2
20
STAGE
STAGE
18
V SSA2
INPUT
INPUT
mute
mute
OSCILLATOR
V DDA1
4
6
V SSA1
Fig.38 Typical SE application schematic of TDA8922J.
MODULATOR
MODULATOR
MANAGER
PWM
PWM
R FB
STABI
R FB
STABI
12
TEMPERATURE SENSOR
CURRENT PROTECTION
V SSA
PROT
7
RELEASE1
RELEASE2
SWITCH1
ENABLE1
ENABLE2
SWITCH2
17
V SSD
HANDSHAKE
HANDSHAKE
CONTROL
CONTROL
AND
AND
TDA8922J
DRIVER
DRIVER
DRIVER
DRIVER
HIGH
HIGH
LOW
LOW
16
V DDP2
11
V SSP1
V DDP2
V SSP1
8
13
V SSP2
V DDP1
V DDA
V SSA
10
15
14
9
OUT1
BOOT2
OUT2
BOOT1
V DDP
V SSP
0 V
25 V
25 V
SGND
MGU999