TDA8922C Datasheet, PDF (3/40 Pages) NXP Semiconductors – 2 X 75 W class-D power amplifier

NXP Semiconductors
6. Block diagram
TDA8922C
2 × 75 W class-D power amplifier
VDDA
n.c.
STABI PROT
VDDP2
VDDP1
IN1M
IN1P
n.c.
OSC
MODE
SGND
IN2P
IN2M
3 (20) 10 (4)
18 (12) 13 (7)
23 (16)
14 (8)
15 (9)
9 (3)
8 (2)
INPUT
STAGE
11 (5) ^mute
7 (1)
6 (23)
OSCILLATOR
MODE
2 (19)
mute
5 (22)
4 (21)
INPUT
STAGE
PWM
MODULATOR
STABI
MANAGER
PWM
MODULATOR
SWITCH1 _CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
TDA8922CTH
(TDA8922CJ)
CONTROL
SWITCH2
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
16 (10)
V_SSP1
V_DDP2
22 (15)
21 (14)
BOOT1
OUT1
BOOT2
OUT2
1 (18) 12 (6)
VSSA
n.c.
24 (17) 19 (-)
VSSD
n.c.
17 (11) 20 (13)
VSSP1 VSSP2
010aaa549
Pin numbers in brackets refer to type number TDA8922CJ.
Fig 1. Block diagram
TDA8922C_1
Product data sheet
Rev. 01 — 7 September 2009
© NXP B.V. 2009. All rights reserved.
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