TDA7512FTR Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

TDA7512FTR

FM car-radio tuner IC with intelligent selectivity system (ISS)

STMicroelectronics 

TDA7512F

Software specification

Table 16. Addr 8 quality ISS filter (continued)

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

0 01 - - - -

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

0 10 - - - -

0 11 - - - -

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

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

-

------

--

1 11 - - - -

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

Table 17. Addr 9 quality detection adjacent channel

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

-

-

-

-

-

-

- 0/1 Not valid

-

-

-

-

-

-

0

- AC highpass frequency 100 kHz

-

-

-

-

-

-

1

- AC bandpass frequency 100 kHz

-

-

-

-

-

0

-

- AC gain 32 dB

-

-

-

-

-

1

-

- AC gain 38 dB

-

-

000

-

-

- AC wide band threshold 0.25 V

-

-

001

-

-

- AC wide band threshold 0.35 V

-

-

010

-

-

- AC wide band threshold 0.45 V

-

-

-

-

-

-

-

--

-

-

111

-

-

- AC wide band threshold 0.95 V

00

-

-

-

-

-

- AC narrow band threshold 0.0 V

01

-

-

-

-

-

- AC narrow band threshold 0.1 V

10

-

-

-

-

-

- AC narrow band threshold 0.2 V

11

-

-

-

-

-

- AC narrow band threshold 0.3 V

Table 18. Addr 10 quality detection multipath

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

-

-

-

-

-

-

-

0 Multipath control “ON”

-

-

-

-

-

-

-

1 Multipath control “OFF”

-

-

-

-

-

-

0

- MP bandpass frequency 19 kHz

-

-

-

-

-

-

1

- MP bandpass frequency 31 kHz

-

-

-

-

-

0

-

- MP gain 12 dB

-

-

-

-

-

1

-

- MP gain 23 dB

-

-

-

00

-

-

- MP threshold 0.50 V

Doc ID 12668 Rev 2

31/45

Share Link: