TDA7512 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7512

AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM (ISS)

STMicroelectronics 

TDA7512

2.3.9 Addr 9 Quality Detection Adjacent Channel

Table 17.

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

0/1 Not valid

0

AC highpass frequency 100kHz

1

AC bandpass frequency 100kHz

0

AC gain 32dB

1

AC gain 38dB

000

AC wide band threshold 0.25V

001

AC wide band threshold 0.35V

010

AC wide band threshold 0.45V

-

-

-

-

111

AC wide band threshold 0.95V

00

AC narrow band threshold 0.0V

01

AC narrow band threshold 0.1V

10

AC narrow band threshold 0.2V

11

AC narrow band threshold 0.3V

2.3.10 Addr 10 Quality Detection Multipath

Table 18.

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

0 Multipath control “ON”

1 Multipath control “OFF”

0

MP bandpass frequency 19KHz

1

MP bandpass frequency 31KHz

0

MP gain 12dB

1

MP gain 23dB

00

MP threshold 0.50V

01

MP threshold 0.75V

10

MP threshold 1.00V

11

MP threshold 1.25V

00

Application mode 1

01

Application mode 2

0

Multipath eliminates ac

1

Multipath eliminates ac and ac+

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