TDA7501 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7501 Datasheet PDF : 29 Pages
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TDA7501
Line driver for digital car radio
Signal processor (DSPLD)
Features
■ Inputs:
– Quasi differential stereo input for CD
– Differential stereo inputs for phone,
navigation, FM, AM
– Single-ended input for cassette- four
independent input multiplexer and gain
stages
– Envelope-detector for AM noise-blanking
– Mixing of phone and navigation
– DC connection to DSP
– Dual MPX inputs
■ Outputs:
– 6 Output channels with independent
volume control
– 4 Main output channels with additional
input selector for phone and/or navigation
or CD
– Outputs level up to 4V rms
– AC connection from DSP
■ Digital control:
– SPI bus or I2C bus interface (selectable)
– Direct mute for the output stages and/or
high impedance mpx mute
LQFP44
Description
The line driver handles all analog input and output
signals for the digital car radio signal processor
TDA7501. The device contains four independent
input multiplexers to select the sources for the
DSP's four AD converters. Four additional gain
stages allow an adaptation to run the ADCs in
best S/N condition.
The six outputs have independent volume stages
with a large dynamic range. Using a 12V supply
the outputs are able to drive up to 4Vrms .
Order codes
Part number
TDA7501
TDA7501TR
Package
LQFP44 (10 x 10 x 1.4 mm)
LQFP44 (10 x 10 x 1.4 mm)
Packing
Tray
Tape and Reel
January 2007
Rev 5
1/29
www.st.com
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