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Número de pieza
componentes Descripción
TDA8927T Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA8927T
Power stage 2×80 W class-D audio amplifier
Philips Electronics
TDA8927T Datasheet PDF : 36 Pages
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VSSA VDDA
VDDD
VDDA
VSS1 VDD1
VDD2 VDD1
1
3
IN1
−
4
TDA8929T
R
fb
Vi(1)
IN1
+
5
INPUT
STAGE
PWM
MODULATOR
SGND1 2
mute
VSSA
SGND
ROSC
OSC 7
OSCILLATOR
STABI
MANAGER
VMODE
MODE 6
MODE
SGND
20 PWM1
TDA8927J
13 5
6
BOOT1
23 REL1
24 SW1
21 EN1
19 STAB
22
DIAGCUR
15
DIAGTMP
REL1 2
SW1 1
EN1
4
CONTROL
AND
HANDSHAKE
STAB 9
DRIVER
HIGH
DRIVER
LOW
DIAG 3
TEMPERATURE SENSOR
AND
CURRENT PROTECTION
POWERUP 15
7
OUT1
VSS1
VDD2
12
BOOT2
Vi(2)
SGND2 11
IN2
+
8
mute
IN2
−
9
INPUT
STAGE
PWM
MODULATOR
16 EN2
13 SW2
14 REL2
17 PWM2
EN2 14
SW2
17
CONTROL
AND
REL2
16 HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
11
OUT2
12 10
R
fb
18
8
10
VSS2(sub)
VDD2
VSSD
VSS1 VSS2
VSSA VDDA
VSSD
VSSA
+
25 V
SGND
(0 V)
−
25 V
MGU388
Fig.5 Typical application schematic of the class-D system using TDA8929T and the TDA8927J.
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