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参数资料
| 型号： | TA8721ASN |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PSIP12 |
| 封装： | 1.78 MM PITCH, PLASTIC, SSIP-12 |
| 文件页数： | 5/9页 |
| 文件大小： | 292K |
| 代理商： | TA8721ASN |
TA8721ASN
2001-02-06 5/9
AC CHARACTERISTICS
(When using the specified coil unless otherwise specified, VCC=9V, Ta=25°C)
CHARACTERISTIC
SYMBOL
TEST
CIR-
CUIT
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
VOD1
fo=4.5MHz, Vi=100dBV
350
500
700
Audio Frequency Output
Level
(Note 1)
VOD2
2
fo=4.724MHz, Vi=100dBV
350
500
700
mVrms
THD1
fo=4.5MHz
―
0.2
1.0
Audio Frequency
Distortion Rate
(Note 2)
THD2
2
fo=4.724MHz
―
0.2
1.0
%
VLIM1
When output VOD1 is 3dB.
―
50
Limiting Sensitivity
(Note 3)
VLIM2
2
When output VOD2 is 3dB.
―
50
dBV
AMR1
fo=4.5MHz, AM=30%
40
50
―
AMR
(Note 4)
AMR2
2
fo=4.724MHz, AM=30%
40
50
―
dB
AFBW1
3dB bandwidth
±70
―
Audio Frequency
Bandwidth
(Note 5)
AFBW2
2
3dB bandwidth
±70
―
kHz
S / N1
fo=4.5MHz,
CW against FM 25kHz / dev
60
―
S / N Ratio
(Note 6)
S / N2
2
fo=4.724MHz,
CW against FM 25kHz / dev
60
―
dB
CR1
SIF1 fo=4.5MHz, fm=400Hz
SIF2 fo=4.724MHz, CW
60
―
Crosstalk Between Sound
Outputs
(Note 7)
CR2
2
SIF1 fo=4.5MHz, CW
SIF2 fo=4.724MHz, fm=400Hz
60
―
dB
Limiter Input Resistance
(Note 8)
Ri1, Ri2
2
―
0.75
1.0
1.25
k
TEST CONDITION
Note 1:
Audio Frequency Output Level
Limiter input
VOD1 : fo=4.5MHz, 100dBV, fm=400Hz, 100% (25kHz / dev) FM modulation
VOD2 : fo=4.724MHz, 100dBV, fm=400Hz, 100% (25kHz / dev) FM modulation
After the above input, measure the output level of sound output.
Note 2:
Audio Frequency Distortion Rate
Measure the distortion rate of sound output by distortion meter under the condition of Note 1.
Note 3:
Limiting Sensitivity
Limiter input
VLIM1 : fo=4.5MHz, variable level, fm=400Hz, 100% (25kHz / dev) FM modulation
VLIM2 : fo=4.724MHz, variable level, fm=400Hz, 100% (25kHz / dev) FM modulation
After the above input, measure the output level of sound output. Measure the input level of Note 1
output level at 3dB.
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