TDA7546 datasheet(43/68 Pages) STMICROELECTRONICS

43 / 68 page

TDA7546

Software specifications

43/68

Table 19.

Addr 8 quality ISS filter

MSB

LSB

Function

ISS filter control “ON”

ISS filter control “OFF”

Switch ISS filter “OFF”

Switch ISS filter “ON”

Switch “OFF” ISS filter 120KHz

Switch “ON” ISS filter 80KHz

Switch “OFF” ISS filter 30KHz for weatherband

Switch “ON” ISS filter 30KHz for weatherband

Disable TV offset for weather band

Enable TV offset for weather band (+4V)

discharge current1

μA, charge current mid 74μA narrow124μA

discharge current3

μA, charge current mid 72μA narrow122μA

discharge current 5

μA, charge current mid 70μA narrow 120μA

discharge current 7

μA, charge current mid 68μA narrow 118μA

discharge current 15

μA,charge current mid 60μA narrow 110μA

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

TDA7546 Fiches technique(PDF) 43 Page - STMicroelectronics

TDA7546 Fiches technique(HTML) 43 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68

Fiches technique Télécharger

Lien URL