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TDA7421 Datasheet(PDF) 29 Page - STMicroelectronics

Part # TDA7421
Description  AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7421 Datasheet(HTML) 29 Page - STMicroelectronics

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AM STOP STATION / AM AGC1 (subaddress 03H)
MSB
LSB
FUNCTION
ASS3
ASS2
ASS1
ASS0
AAG3
AAG2
AAG1
AAG0
amstopsta
tion MSB
amstopstation
amstopsta
tion LSB
amagc1
MSB
amagc1
amagc1
amagc1
LSB
AM AGC1
THRESHOLD
0
0
0
0
Maximum sensitivity
X
XXX
• • •
1
1
1
1
Minimum sensitivity
all combinations allowed
AM STOP STATION
THRESHOLD
0
0
0
0
Maximum sensitivity
X
XXX
• • •
1
1
1
1
Minimum sensitivity
all combinations allowed
IFT1/ IFT2 (subaddress 04H)
MSB
LSB
FUNCTION
T2A3
T2A2
T2A1
T2A0
T1A3
T1A2
T1A1
T1A0
IFT2
adjust
MSB
IFT2
adjust
IFT2
adjust
IFT2
adjust
LSB
IFT1
adjust
MSB
IFT1
adjust
IFT1
adjust
IFT1
adjust
LSB
ADJUSTMENT
CAPACITOR
0
000
0
0
001
Cift1
0
010
2Cift1
0
100
4Cift1
1
000
8Cift1
1
111
15Cift1
all combinations allowed
0
000
0
0
001
Cift2
0
010
2Cift2
0
100
4Cift2
1
000
8Cift2
1
111
15Cift2
all combinations allowed
TDA7421
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