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TDA7540N Datasheet(PDF) 59 Page - STMicroelectronics

No. de pieza TDA7540N
Descripción Electrónicos  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N Datasheet(HTML) 59 Page - STMicroelectronics

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TDA7540N
Software specification
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Table 38.
Addr 26 stereodecoder 3
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
0
0
Audio noise blanker low threshold 280mV
0
0
1
Audio noise blanker low threshold 261mV
0
1
0
Audio noise blanker low threshold 242mV
0
1
1
Audio noise blanker low threshold 223mV
1
0
0
Audio noise blanker low threshold 204mV
1
0
1
Audio noise blanker low threshold 185mV
1
1
0
Audio noise blanker low threshold 166mV
1
1
1
Audio noise blanker low threshold 147mV
0
0
Audio noise blanker noise controlled threshold 1200mV
0
1
Audio noise blanker noise controlled threshold 950mV
1
0
Audio noise blanker noise controlled threshold 700mV
1
1
Audio noise blanker noise controlled threshold 450mV
0
Audio noise blanker OFF
1
Audio noise blanker ON
0
0
Deviation adjust 2.0V
0
1
Deviation adjust 1.5V
1
0
Deviation adjust 1.0V
1
1
Deviation detector off
Table 39.
Addr 27 stereodecoder 4
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
High Cut OFF
1
High Cut ON
0
0
max. High Cut 10dB
0
1
max. High Cut 5.5dB
1
0
max. High Cut 7.5dB
1
1
max. High Cut 8.5dB
0
0
Start level High Cut at 42% REF5V
0
1
Start level High Cut at 50% REF5V
1
0
Start level High Cut at 58% REF5V
1
1
Start level High Cut at 66% REF5V
0
0
Stop level High Cut at 11% VHCH
0
1
Stop level High Cut at 18.3% VHCH



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