|
|
PDF TDA7265SA Data sheet ( Hoja de datos )
| Número de pieza | TDA7265SA | |
| Descripción | 18W+18W STEREO AMPLIFIER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de TDA7265SA (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
|
No Preview Available !
TDA7265SA
18W+18W STEREO AMPLIFIER WITH MUTE & ST-BY
1 FEATURES
■ WIDE SUPPLY VOLTAGE RANGE
(UP TO +25V ABS MAX.)
■ SPLIT SUPPLY
■ HIGH OUTPUT POWER 18+18W
@THD = 10%, RL= 8Ω, VS = ±17.5V
■ NO POP AT TURN-ON/OFF
■ MUTE (POP FREE)
■ STAND-BY FEATURE (LOW Iq)
■ SHORT CIRCUIT PROTECTION TO GND
■ THERMAL OVERLOAD PROTECTION
■ CLIPWATT 11 PACKAGE
2 DESCRIPTION
The TDA7265SA is class AB Dual Audio Power
amplifier assembled in the @ Clipwatt 11 pack-
age, specially designed for high quality sound ap-
Figure 2. Test and Application Diagram
Figure 1. Package
Clipwatt11
Table 1. Order Codes
Part Number
TDA7265SA
Package
Clipwatt11
plication as Hi-Fi music centers and stereo TV
sets.
The TDA7265SA is pin to pin compatible with
TDA7269, TDA7269A, TDA7269SA, TDA7265,
TDA7499, TDA7499SA.
15K 1µF
MUTE/
ST-BY
IN (L)
5
7
1µF
+5V µP
15K 18K
GND 9
1µF
IN (R) 11
D94AU085
+VS
3
1000µF
+
-
-
+
1
1000µF
4 OUT (L)
18K 4.7Ω
8 IN- (L)
100nF
560Ω
10 IN- (R)
560Ω
18K
2 OUT (R)
4.7Ω
6
-VS 100nF
RL (L)
RL (R)
July 2004
Rev. 2
1/12
1 page  
TDA7265SA
Figure 6. 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
-VS
R10
C9
C7 C6
RL (L)
RL (R)
4 APPLICATION SUGGESTIONS (DEMO BOARD SCHEMATIC)
The recommended values of the external components are those shown the demoboard schematic different val-
ues can be used, the following table can help the designer
Table 5. .
COMPONENT
SUGGESTION
VALUE
PURPOSE
LARGER THAN
SMALLER THAN
RECOMMENDED VALUE RECOMMENDED VALUE
R1
10KΩ
Mute Circuit
Increase of Dz Biasing
Current
R2
15KΩ
Mute Circuit
Vpin #5 Shifted Downward Vpin #5 Shifted Upward
R3
18KΩ
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R4
15KΩ
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R5, R8
R6, R9
18KΩ
560Ω
Closed Loop Gain
Setting (*)
Increase of Gain
Decrease of Gain
R7, R10
4.7Ω
Frequency Stability
Danger of Oscillations
Danger of Oscillations
C1, C2
1µF Input DC Decoupling
Higher Low Frequency Cutoff
C3
1µF St-By/Mute Time
Larger On/Off Time
Smaller On/Off Time
Constant
C4, C6
1000µF Supply Voltage Bypass
Danger of Oscillations
C5, C7
0.1µF
Supply Voltage Bypass
Danger of Oscillations
C8, C9
0.1µF
Frequency Stability
Dz
5.1V
Mute Circuit
(*) Closed loop gain has to be ≥25dB
5/12
5 Page 
Table 6. Revision History
Date
Revision
September 2003
1
July 2004
2
TDA7265SA
Description of Changes
First Issue
Changing of the Style-sheet.
Changed the maturity from Product Preview to Final.
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TDA7265SA.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TDA7265SA | 18W+18W STEREO AMPLIFIER | STMicroelectronics |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |