TDA7512 datasheet(30/42 Pages) STMICROELECTRONICS

部件名	TDA7512

功能描述	AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS

PDF	42 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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TDA7512

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2.3.13 Addr 13 Softmute Control 2

2.3.14 Addr 14 VCODIV/PLLREF

Table 21.

MSB

LSB

Function

Disable mute threshold for ISS filter “ON”

Enable mute threshold for ISS filter “ON”

AC mute depth 10dB

AC mute depth 8dB

AC mute depth 6dB

AC mute depth 4dB

AC mute threshold 60mV

AC mute threshold 80mV

AC mute threshold 100mV

AC mute threshold 340mV

AC mute “OFF”

AC mute filter 110KHz

AC mute filter 100KHz

Table 22.

MSB

LSB

Function

not valid (only for testing)

VCO frequency divided by 2

VCO frequency divided by 3

original VCO frequency

VCO” I” signal 0 degree

VCO “I” signal 180 degree

PLL reference frequency 50KHz

PLL reference frequency 25KHz

PLL reference frequency 10KHz

PLL reference frequency 9KHz

PLL reference frequency 2KHz

Select FM mode

Select AM mode

Select PLL low pass filter FM

Select PLL low pass filter AM

TDA7512 数据表(PDF) 30 Page - STMicroelectronics

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