TDA7541B datasheet(66/77 Pages) STMICROELECTRONICS

Part #	TDA7541B

Description	AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

PDF	77 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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66 / 77 page

Software specification

TDA7541B

66/77

Doc ID 16048 Rev 1

Table 40.

Addr 23 SD NB II (FM E2h, AM C2h)

MSB

LSB

Function

NBPC

Noise blanker peak charge current low

Noise blanker peak charge current high

NBRR<2:1>

Noise rectifier discharge resistor = infinite

Noise rectifier discharge resistor =56 k

Noise rectifier discharge resistor =33 k

Noise rectifier discharge resistor =18k

NBMP

Multipath influence on peak discharge “OFF”

Multipath influence on peak discharge “ON” (-3 V/ms)

NBSMP

Strong multipath influence on peak discharge “OFF”

Strong multipath influence on peak discharge “ON”

VCON

Stereo decoder VCO “OFF”

Stereo decoder VCO “ON”

PCM

Pilot cancellation mode: always

Pilot cancellation mode: if pilot > pilot threshold

ADSEL

Additional selectivity OFF

Additional selectivity ON

TDA7541B Datasheet(PDF) 66 Page - STMicroelectronics