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参数资料
| 型号： | TDA7231A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封装： | MINI, DIP-8 |
| 文件页数： | 2/5页 |
| 文件大小： | 185K |
| 代理商： | TDA7231A |
Obsolete
Product(s)
- Obsolete
Product(s)
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Vs
Supply Voltage
16
V
Ptot
Total Power Dissipation at Tamb = 50
°C
at Tcase = 70
°C
1.25
4
W
Io
Output Peak Current
1
A
Tstg, Tj
Storage and Junction Temperature
– 40 to 150
°C
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-amb
Thermal Resistance Junction-ambient
Max.
80
°C/W
Rth j-pins
Thermal Resistance Junction-pins
Max.
15
°C/W
ELECTRICAL CHARACTERISTICS (Vs = 6 V, Tamb = 25
°C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
1.8
15
V
Vo
Quiescent Out Voltage
VS = 6 V
VS = 3 V
2.7
1.2
V
Id
Quiescent Drain Current
3.6
9
mA
Ib
Input Bias Current
100
nA
Po
Output Power
d = 10%
f = 1kHz
Vs = 12V
RL = 8
Vs = 9V
RL = 4
Vs = 6V
RL = 8
Vs = 6V
RL = 4
Vs = 3V
RL = 4
Vs = 3V
RL = 8
1.8
1.6
0.4
0.7
110
70
W
mW
d
Distortion
Po = 0.2 W
f = 1 kHz
RL = 8
0.3
%
Gv
Closed Loop Voltage Gain
38
dB
Rin
Input Resistance
f = 1kHz
100
k
eN
Total Input Noise
Rs = 10k
B = Curve A
B = 22Hz to 22kHz
2
3
V
Figure 1 : Test and Application Circuit
TDA7231A
2/5
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