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PDF TDA8925 Data sheet ( Hoja de datos )
| Número de pieza | TDA8925 | |
| Descripción | Power stage 2 x 15 to 25Wclass-D audio amplifier | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
www.DataSheet4U.com
TDA8925
Power stage 2 x 15 to 25 W class-D
audio amplifier
Product specification
Supersedes data of 2004 Jan 05
2004 May 06
1 page  
Philips Semiconductors
Power stage 2 x 15 to 25 W class-D
audio amplifier
wwwPr.DodautacSthsepeetc4Uifi.ccaotmion
TDA8925
7 PINNING
SYMBOL PIN
DESCRIPTION
SW1
1 digital switch input; channel 1
REL1
2 digital control output; channel 1
DIAG
3 digital open-drain output for
overtemperature and overcurrent
report
EN1 4 digital enable input; channel 1
VDD1
BOOT1
5 positive power supply; channel 1
6 bootstrap capacitor; channel 1
OUT1
7 PWM output; channel 1
VSS1
STAB
8 negative power supply; channel 1
9 decoupling internal stabilizer for
logic supply
VSS2
OUT2
10 negative power supply; channel 2
11 PWM output; channel 2
BOOT2
12 bootstrap capacitor; channel 2
VDD2
EN2
13 positive power supply; channel 2
14 digital enable input; channel 2
POWERUP 15 enable input for switching on
internal reference sources
REL2
16 digital control output; channel 2
SW2
17 digital switch input; channel 2
handbook, halfpage
SW1 1
REL1 2
DIAG 3
EN1 4
VDD1 5
BOOT1 6
OUT1 7
VSS1 8
STAB 9 TDA8925ST/J
VSS2 10
OUT2 11
BOOT2 12
VDD2 13
EN2 14
POWERUP 15
REL2 16
SW2 17
MDB611
Fig.2 Pin configuration.
2004 May 06
5
5 Page 
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12 V
VEN
VSW1
12 V
0
100
nF
VV
VREL1 VSTAB
12 kΩ
TDA8925
VDD2
13
VDD1
5
6 BOOT1
EN1 4
SW1 1
REL1 2
STAB 9
DIAG 3
POWERUP 15
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
temp
current
TEMPERATURE SENSOR
AND
CURRENT PROTECTION
7 OUT1
VSS1
VDD2
12 BOOT2
15 nF
VOUT1 V
2VP
EN2 14
SW2 17
REL2 16
CONTROL
AND
HANDSHAKE
V
VDIAG VSW2
12 V
0
V
VREL2
DRIVER
HIGH
DRIVER
LOW
8
VSS1
11 OUT2
15 nF
10
VSS2
VOUT2 V
MDB613
Fig.4 Test diagram.
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet TDA8925.PDF ] | |
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