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参数资料
| 型号： | TA8157AF |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.014 W, 3 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 12/15页 |
| 文件大小： | 1080K |
| 代理商： | TA8157AF |
TA8157AF/AFN
2002-10-30
6
Maximum Ratings (Ta = 25°C)
Characteristic
Symbol
Rating
Unit
Supply voltage
VCC
4.5
V
Output current
IO (Peak)
100
mA
TA8157AF
400
Power dissipation
TA8157AFN
PD (Note)
500
mW
Operating temperature
Topr
-25~75
Storage temperature
Tstg
-55~150
°C
(Note) Derated above Ta = 25°C in the proportion of 3.2mW / °C for TA8157AF, and of
4mW / °C for TA8157AFN.
Electrical Characteristics
Unless Otherwise Specified : VCC = 1.2V, RL = 16, Rg = 600, f = 1kHz, Ta = 25°C
SW1: a, SW2: a, SW3: b, SW4: a, SW5: a
SW6: a, SW7: ON, SW8: OPEN
Characteristic
Symbol
Test
Cir
-
cuit
Test Condition
Min.
Typ.
Max.
Unit
ICC1
Power OFF, SW1: b
SW2: b
―
0.1
5
A
ICC2
Power amp. OFF, SW2: b
―
2.4
4.0
Quiescent supply current
ICC3
1
Vin = 0
―
8
11.5
mA
Voltage gain 1
GV1
22
24
26
Channel balance
CB1
2
Vo (A) = Vo (B) = -22dBV
―
0
1.5
dB
Output power 1
Po1
VCC = 1.5V
THD (A) = THD (B) = 10%
5
9
―
Output power 2
Po2
2
VCC = 1.5V
THD (A) = THD (B) = 10%
Vin (A) = Vin (B) = -Vin (C)
f = 100Hz, * BTL operation
SW3: a, SW5: b
8
14
―
mW
Total harmonic
distortion
THD
2
Po (A) = Po (B) = 1mW
―
0.6
1
%
Output noise voltage
Vno
2
BPF = 20Hz~20kHz, SW4: b
―
25
40
Vrms
Cross talk
CT
2
Vo =
-22dBV, SW4: b
35
42
―
Ripple rejection ratio
RR1
2
VCC = 1.0V, fr = 100Hz
Vr = -32dBV, SW7: OPEN
45
55
―
P
ower
am
pl
ifi
er
st
age
Muting attenuation
ATT1
2
Vo = -22dBV, SW2: a→b
―
73
―
dB
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