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TDA7541 数据表(PDF) 51 Page - STMicroelectronics

部件名 TDA7541
功能描述  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  76 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7541 数据表(HTML) 51 Page - STMicroelectronics

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TDA7541
Software specification
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Table 22.
Addr 6 AGC (FM 06h, AM 2Ah)
Addr12 MSB
LSB
Function
d7
d7
d6
d5
d4
d3
d2
d1
d0
RFAGC<1:0>
0
0
RFAGC threshold FM V8-10= 80dBµV, AM V3= 92dBµV
0
1
RFAGC threshold FM V8-10= 84dBµV, AM V3= 99dBµV
1
0
RFAGC threshold FM V8-10= 88dBµV, AM V3= 102dBµV
1
1
RFAGC threshold FM V8-10= 92dBµV, AM V3= 104dBµV
IFAGC<3:2>
1
0
0
IFAGC threshold FM V61= 82dBµV , AM V61= 89dBµV
1
0
1
IFAGC threshold FM V61= 88dBµV , AM V61= 95dBµV
1
1
0
IFAGC threshold FM V61= 91dBµV , AM V61= 99dBµV
1
1
1
IFAGC threshold FM V61= 94dBµV , AM V61= 102dBµV
0
0
0
IFAGC threshold FM V61= 82dBµV , AM V61= 79dBµV
0
0
1
IFAGC threshold FM V61= 88dBµV , AM V61= 85dBµV
0
1
0
IFAGC threshold FM V61= 91dBµV , AM V61= 89dBµV
0
1
1
IFAGC threshold FM V61= 94dBµV , AM V61= 92dBµV
DAGC<5:4>
0
0
DAGC V56= 86dBµ
0
1
DAGC V56= 91dBµ
1
0
DAGC V56= 95dBµ
1
1
DAGC V56= 98dBµ
LNA<7:6>
00
I4 = 400uA , V54 = 4,5V , AM LNA Pin/FET mode ”OFF”
01
I4 = 400uA + 50uA , V54 = 3,5V
10
I4 = 400uA + 100uA , V54 = 3,5V
11
I4 = 400uA + 150uA , V54 = 3,5V



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