TDA7253 [STMICROELECTRONICS]
8W AMPLIFIER WITH MUTING; 8W放大器静音
| 型号： | TDA7253 |
| 厂家： | 
ST |
| 描述： | 8W AMPLIFIER WITH MUTING |
| 文件： | 总5页 (文件大小：53K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TDA7253
8W AMPLIFIER WITH MUTING
WIDE SUPPLY VOLTAGE RANGE
8W @ V =26V, R = 8 , THD=10%
Ω
S
L
MUTE FACILITY (POP FREE) WITH LOW
CONSUMPTION
AC SHORT CIRCUIT PROTECTION
THERMAL
OVERLOAD
PROTECTION
(150°C)
DESCRIPTION
The TDA7253 is class AB audio power amplifier
assembled in the new Clipwatt package.
Clipwatt11
APPLICATION CIRCUIT
+VS
R7 820
=
CSVR
100µF
C4
0.1µF
C5
470µF
MUTE
SW
3
1
9
10
2
11
TDA7253
C2
C11 1000µF
IN
(L)
8
4
100nF
R3
1.5K
27K
CF
C9
0.1µF
RL
7
6
47µF
R4
47
R6
4.7
D94AU130
1/5
May 1997
TDA7253
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
35
Unit
V
VS
IO
Supply Voltage
Output Peak Current (repetitive f >20Hz)
2.5
A
IO
Output Peak Current (non repetitive, t = 100µs)
3.5
A
Ptot
Top
Tstg,Tj
Total Power Dissipation (Tcase = 70 C)
25
W
°
Operating Temperature Range
Storage & Junction Temperature
0 to 70
-40 to 150
C
°
°C
PIN CONNECTION
(Topview)
11
10
9
N.C.
N.C.
+Vs
8
OUTPUT
7
N.C.
6
GND
5
NON INVERTING INPUT
INVERTING INPUT
SVR/MUTING
N.C.
4
3
2
1
N.C.
D93AU037A
Figure 1:
ApplicationCircuit
2/5
TDA7253
THERMAL DATA
Symbol
Parameter
Thermal resistance junction to case
Value
Unit
Rth j-case
Max
3
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test and application circuit, VS = 26V; RL = 8Ω;
Gv = 30dB; f = 1KHz; Tamb = 25°C unless otherwise specified.)
Symbol
Parameter
Supply Voltage
Test Condition
Min.
Typ.
Max.
Unit
V
VS
VO
Iq
10
32
Quiescent Output Voltage
Total Quiescent Current
Output Power
12.5
40
V
mA
PO
d = 10%
d = 1%
O = 1W
8
10
8
W
W
d
RI
fL
Total Harmonic Distortion
Input Resistance
P
0.03
200
40
%
100
K
Ω
Low Frequency Roll-off (-3dB)
High Frequency Roll-off (-3dB)
Total Input Noise Voltage
Hz
KHz
mV
fH
eN
80
A Curve; RS = 10KΩ
2
f = 22Hz to 22KHz; RS = 10K
2.5
60
10
10
V
µ
Ω
SVR
VTMUTE
VTPLAY
AM
Supply Voltage Rejection
Mute Threshold
RS = 10KΩ; f = 100Hz; Vr = 0.5V
dB
V
0.8
Play Threshold
5
V
Mute Attenuation
80
100
7
dB
mA
IqMUTE
Quiescent Current Mute
CF
CSVR
Note: to avoid pop-on noise
≤ 1
Figure 1:
Figure 2:
Output Power vs. Supply Voltage
QuiescentCurrent vs. Supply Voltage
D94AU131
Iq
(mA)
45
40
35
30
25
20
8
12
16
20
24
28 Vs(V)
3/5
TDA7253
CLIPWATT11 PACKAGE MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
TYP.
MAX.
3.10
1.10
MIN.
MAX.
0.122
0.04
A
B
C
0.15
1.50
0.006
0.059
0.02
0.03
0.066
0.66
0.48
0.79
0.70
0.57
0.43
0.1
D
E
0.52
F
0.80
G
1.70
G1
H1
H3
L
17.00
12.00
20.00
17.90
14.40
11.00
2.54
L1
L2
M
M1
2.54
0.1
4/5
TDA7253
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-
THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectronics.
1997 SGS-THOMSON Microelectronics – Printed in Italy – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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