TDA8927 Philips Semiconductors, TDA8927 Datasheet - Page 9

• Manufacturer Part Number: TDA8927
• Description: Power stage 2 x 80 W class-D audio amplifier
• Manufacturer: Philips Semiconductors

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V SSA
V MODE
V i(1)
V i(2)
R OSC
SGND1
SGND2
MODE
OSC
IN1
IN1
IN2
IN2
V SS2(sub)
2
7
6
11
8
9
4
5
SGND
SGND
V SSA V DDA
Fig.5 Typical application schematic of the class-D system using TDA8929T and the TDA8927J.
V SS1 V DD1
1
STAGE
STAGE
INPUT
INPUT
MODE
mute
V SSA V DDA
mute
OSCILLATOR
TDA8929T
12
3
10
V DD2
MODULATOR
MODULATOR
PWM
PWM
MANAGER
R fb
R fb
STABI
V SSD
18
20
23
24
21
19
22
15
16
13
14
17
STAB
DIAGCUR
DIAGTMP
PWM2
PWM1
REL1
SW1
EN1
EN2
SW2
REL2
POWERUP
STAB
REL2
REL1
DIAG
SW2
SW1
EN1
EN2
1
15
14
17
16
2
4
9
3
HANDSHAKE
HANDSHAKE
TDA8927J
CONTROL
CONTROL
TEMPERATURE SENSOR
AND
CURRENT PROTECTION
AND
AND
DRIVER
DRIVER
DRIVER
DRIVER
HIGH
HIGH
LOW
LOW
V DD2 V DD1
V SSD
13
V SS1
V DDD
8
V SS1
V DD2
10
V SS2
5
12
11
6
7
OUT1
BOOT2
OUT2
BOOT1
V DDA
V SSA
MGU388
25 V
25 V
SGND
(0 V)