TDA7541 datasheet(52/76 Pages) 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

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

52 / 76 page

Software specification

TDA7541

52/76

Table 23.

Addr 7 Quality AC (FM 50h)

MSB

LSB

Function

ISSBW

ISS filter fixed band width 120kHz

ISS filter fixed band width 80kHz

BWDEF

Disable bit ISSBW for ISS filter band width control

Enable bit ISSBW for ISS filter band width control

ACF

AC highpass frequency 100kHz

AC bandpass frequency 100kHz

ACTH<4:3>

AC detector threshold 0,35V

AC detector threshold 0,45V

AC detector threshold 0,55V

AC detector threshold 0,65V

TISS<7:5>

discharge current 1µA, charge current mid 74µA, narrow 124µA

discharge current 3µA, charge current mid 72µA, narrow 122µA

discharge current 5µA, charge current mid 70µA, narrow 120µA

discharge current 7µA, charge current mid 68µA, narrow 118µA

discharge current 15µA,charge current mid 60µA, narrow 110µA

TDA7541 数据表(PDF) 52 Page - STMicroelectronics