TDA8927 Datasheet, PDF (4/36 Pages) NXP Semiconductors – Power stage 2 x 80 W class-D audio amplifier

Philips Semiconductors
Power stage 2 × 80 W class-D
audio amplifier
6 BLOCK DIAGRAMS
Objective specification
TDA8927
handbook, full pagewidth
VDD2 VDD1
EN1
SW1
REL1
STAB
DIAG
POWERUP
EN2
SW2
REL2
TDA8927J
TDA8927ST
13 5
6
4
1
CONTROL
AND
2
HANDSHAKE
9
DRIVER
HIGH
DRIVER
LOW
temp
3
TEMPERATURE SENSOR
current
AND
CURRENT PROTECTION
15
7
VSS1
VDD2
12
14
DRIVER
17
CONTROL
AND
HIGH
11
16 ^HANDSHAKE
DRIVER
LOW
BOOT1
OUT1
BOOT2
OUT2
8
10
VSS1 VSS2
MGW138
Fig.1 Block diagram of TDA8927J and TDA8927ST.
2001 Dec 11
4