TDA8954 NXP Semiconductors, TDA8954 Datasheet - Page 3

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TDA8954

Manufacturer Part Number
TDA8954
Description
The TDA8954 is a stereo or mono high–efficiency Class D audio power amplifier in asingle IC featuring low power dissipation
Manufacturer
NXP Semiconductors
Datasheet

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0
NXP Semiconductors
6. Block diagram
TDA8954_1
Product data sheet
Fig 1.
OSCREF
MODE
SGND
IN1M
IN2M
IN1P
IN2P
OSC
Pin numbers in brackets refer to type number TDA8954J.
Block diagram
9 (3)
8 (2)
11 (5)
7 (1)
6 (23)
2 (19)
5 (22)
4 (21)
VDDA
VSSA
MODE
STAGE
STAGE
3 (20)
1 (18)
INPUT
INPUT
mute
mute
DIAG1
DIAG2
OSCILLATOR
10 (4)
12 (6)
MODULATOR
MODULATOR
MANAGER
PWM
PWM
Rev. 01 — 24 December 2009
STABI
18 (12)
STABI
VSSA
24 (-)
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PROT
13 (7)
SWITCH1
SWITCH2
n.c.
19 (17)
HANDSHAKE
HANDSHAKE
CONTROL
CONTROL
AND
AND
2 × 210 W class-D power amplifier
TDA8954TH
(TDA8954J)
DRIVER
DRIVER
DRIVER
DRIVER
HIGH
HIGH
VDDP2
LOW
LOW
VSSP1
23 (16)
17 (11)
VDDP1
VSSP2
V DDP2
V SSP1
TDA8954
© NXP B.V. 2009. All rights reserved.
14 (8)
20 (13)
16 (10)
22 (15)
21 (14)
15 (9)
010aaa556
BOOT1
OUT1
BOOT2
OUT2
3 of 46

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