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参数资料
| 型号： | TDA7420 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | 14 X 14 MM, TQFP-64 |
| 文件页数： | 11/29页 |
| 文件大小： | 230K |
| 代理商： | TDA7420 |
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NOISE BLANKER 1
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
Noise Blanker Threshold Vpeak = 0.9V
000
Vth = 30mV
001
Vth = 35mV
010
Vth = 40mV
011
Vth = 45mV
100
Vth = 50mV
101
Vth = 55mV
110
Vth = 60mV
111
Vth = 65mV
Noise Blanker Noise Adjusted Threshold Vpeak = 1.4V
00
Vth = 140mV
01
Vth = 180mV
10
Vth = 240mV
11
Vth = 280mV
Gain of Overdeviation Detector Vpeak with MPX of 75KHz Deviation
0
Detector Off
0
1
Vpeak = 1.2Vop
1
0
Vpeak = 2.0Vop
1
Vpeak = 2.8Vop
STEREO DECODER
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
Input Gain
0
1.5dB Input Gain
0
1
4.0dB Input Gain
1
0
6.5dB Input Gain
1
9dB Input Gain
Roll Off Adjustement
0
1
20.2%
0
1
0
21.9%
0
1
23.7%
1
0
25.5%
1
0
1
27.3%
1
0
29.2%
111
31%
0
Deemph. Time Constant 75
s
1
Deemph. Time Constant 50
s
1
Forced Mono
0
Stereo Enabled
0
Pilot Threshold High
1
Pilot Threshold Low
TDA7420
19/29
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相关代理商/技术参数 |
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| TDA7421 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS |
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| TDA7427AAD | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
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