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PDF TDA7265B Data sheet ( Hoja de datos )
| Número de pieza | TDA7265B | |
| Descripción | 30W + 30W stereo amplifier | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TDA7265B
30 W + 30 W stereo amplifier with mute and standby
Features
■ Wide-range supply voltage (up to ± 35 V ABS
max.)
■ Split supply
■ High output power
■ 30 W + 30 W at THD=10%, RL = 8 Ω, VS ± 23 V
■ 25 W + 25 W at THD=1%, RL = 8 Ω, VS ± 23 V
■ No “pop” at turn-on/off
■ Mute (“pop-free”)
■ Standby feature (low IQ)
■ Short-circuit protection
■ Thermal overload protection
Multiwatt11 (vertical)
applications such as home entertainment
systems and stereo TV sets.
The device is pin-to-pin compatible with the
TDA7265, TDA7269A and TDA7292.
Description
The TDA7265B is class-AB dual audio power
amplifier assembled in the Multiwatt package,
especially designed for high-quality sound
Table 1. Device summary
Order code
Package
TDA7265B Multiwatt11 (vertical)
Packing
Tube
Figure 1. Typical application circuit in split supply
+VS
15K 1µF
MUTE/
ST-BY
IN (L)
5
7
1µF
+5V µP
15K 18K
GND 9
1µF
IN (R) 11
D94AU085
1000μF
3
+ 4 OUT (L)
-
18K 4.7Ω
8 IN- (L)
100nF
560Ω
10 IN- (R)
560Ω
18K
- 2 OUT (R)
+
16
4.7Ω
-VS 100nF
1000mF
RL (L)
RL (R)
December 2011
Doc ID 022601 Rev 1
1/18
www.st.com
1
http://www.Datasheet4U.com
1 page  
TDA7265B
1 Pin
connections
Figure 2. Pin connections (top view)
TAB CONNECTED TO PIN 6
11
10
9
8
7
6
5
4
3
2
1
Pin connections
IN+(1)
IN-(1)
GND
IN-(2)
IN+(2)
-VS
MUTE/St-By
OUTPUT(2)
+VS
OUTPUT(1)
-VS
D95AU316
Doc ID 022601 Rev 1
5/18
5 Page 
TDA7265B
5 Applications
Applications
5.1 Stereo configuration circuit and PCB layout
Figure 12. Test and application circuit (stereo configuration)
+VS
R2
R1
SW1
ST-BY DZ
Q1
C3
MUTE/
ST-BY 5
IN (L) 7
C1
R4
SW2
MUTE
R3
GND 9
C2
IN (R) 11
D94AU087B
C4 C5
+VS
3
+ 4 OUT (L)
-
R5 R7
8 IN- (L)
C8
R6
10 IN- (R)
R9
R8
- 2 OUT (R)
+
16
R10
-VS C9
C7 C6
Figure 13. Soldering side (bottom)
RL (L)
RL (R)
Doc ID 022601 Rev 1
11/18
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet TDA7265B.PDF ] | |
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