TDA7406 datasheet(54/64 Pages) STMICROELECTRONICS

54 / 64 page

I2C bus interface

TDA7406

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Forced MONO

MONO/STEREO switch automatically

Pilot Threshold HIGH

Pilot Threshold LOW

De-emphasis 50µs

(37.5µs(1))

De-emphasis 62.5µs (46.9µs(1))

De-emphasis 75µs

(56.3µs(1))

De-emphasis 100µs (75µs(1))

If De-emphasis-Shift enabled (Subaddr.26/Bit7 = 0)

Table 22.

Noiseblanker I (23)

MSB

LSB

FUNCTION

Noiseblanker off

Noiseblanker on

Low Threshold 65mV

Low Threshold 60mV

Low Threshold 55mV

Low Threshold 50mV

Low Threshold 45mV

Low Threshold 40mV

Low Threshold 35mV

Low Threshold 30mV

Noise Controlled Threshold 320mV

Noise Controlled Threshold 260mV

Noise Controlled Threshold 200mV

Noise Controlled Threshold 140mV

Over deviation Adjust 2.8V

Over deviation Adjust 2.0V

Over deviation Adjust 1.2V

Over deviation Detector OFF

Table 21.

Stereodecoder (22) (continued)

MSB

LSB

FUNCTION

TDA7406 数据表(PDF) 54 Page - STMicroelectronics

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