TDA7540B datasheet(47/75 Pages) STMICROELECTRONICS

부품명	TDA7540B

상세설명	AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS)

PDF	75 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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47 / 75 page

TDA7540B

Software specification

47/75

Switch “OFF” ISS filter 120kHz

Switch “ON” ISS filter 80kHz

Switch “OFF” ISS filter 30KHz for weatherband

Switch “ON” ISS filter 30KHz for weatherband

discharge current1

µA, charge current mid 74µA

narrow124

µA

discharge current3

µA, charge current mid 72µA

narrow122

µA

discharge current5

µA, charge current mid 70µA

narrow120

µA

discharge current7

µA, charge current mid 68ϖ narrow118µA

discharge current15µA,charge current mid

µAnarrow110µA

Table 20.

Addr 9 Quality Detection Adjacent Channel

MSB

LSB

Function

0/1

Not valid

AC highpass frequency 100kHz

AC bandpass frequency 100kHz

AC gain 32dB

AC gain 38dB

AC wide band threshold 0.25V

AC wide band threshold 0.35V

AC wide band threshold 0.45V

---

AC wide band threshold 0.95V

AC narrow band threshold 0.0V

AC narrow band threshold 0.1V

AC narrow band threshold 0.2V

AC narrow band threshold 0.3V

Table 19.

Addr 8 Quality ISS Filter (continued)

MSB

LSB

Function

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