TDA7512 datasheet(27/42 Pages) STMICROELECTRONICS

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TDA7512

2.3.7

Addr 7 AM Control

2.3.8

Addr 8 Quality ISS Filter

Table 15.

MSB

LSB

Function

Normal AGC time constant

Short time constant for AM seek stop

Multipath information available FM at PIN 34

AM stereo output available at PIN 34

Prescaler ratio 10

Prescaler ratio 8

Prescaler ratio 6

Prescaler ratio 4

Table 16.

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)

000

discharge current1

µA, charge current mid 74µΑ narrow124µΑ

001

discharge current3

µA, charge current mid 72µΑ narrow122µΑ

010

discharge current5

µA, charge current mid 70µΑ narrow120µΑ

011

discharge current7

µA, charge current mid 68µΑ narrow118µΑ

---

111

discharge current15

µA,charge current mid 60µΑnarrow110µΑ

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