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SAA7708H

Features: · Two 3rd order SCAD (switch cap analog to digital converters)· D/A converters with four fold over sampling and noise shaping· Digital stereo decoder for the FM_MPX signal· Improved, digital IAC for FM· RDS processing with optional 16 bit buffer via a separate channel.· Phone input with ...

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SeekIC No. : 004484083 Detail

SAA7708H: Features: · Two 3rd order SCAD (switch cap analog to digital converters)· D/A converters with four fold over sampling and noise shaping· Digital stereo decoder for the FM_MPX signal· Improved, digit...

SAA7708H Data Sheet

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Part Number:
SAA7708H
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

· Two 3rd order SCAD (switch cap analog to digital converters)
· D/A converters with four fold over sampling and noise shaping
· Digital stereo decoder for the FM_MPX signal
· Improved, digital IAC for FM
· RDS processing with optional 16 bit buffer via a separate channel.
· Phone input with common mode rejection. Can be mixed with DAC output of front channels or processed via an AD
· Auxiliary high CMRR analog CD input (CD-walkman, speech, economic CD-changer etc.)
· One separate full I2S and LSB justified format and two muxable SPDIF high performance input interfaces
· Audio output short circuit protected
· I2C bus controlled
· AM input or AM_Right and AM_Left input
· Phase Lock Loop to generate the high frequency DSP clock from common fundamental oscillator crystal
· Combined AM/FM level input
· Two analog single ended tape inputs
· -40 to +85 °C operating temperature range
· Improved FM weak signal processing
· Integrated 19 kHz MPX filter and de-emphasis
· Electronic adjustments: FM/AM level, FM channel separation, Dolby level
· Baseband Audio processing (treble/bass/balance/fader/volume)
· Dynamic loudness or bass boost
· Audio level meter
· Music Search detection for Tape (MSS)
· Dolby-B tape noise reduction
· CD dynamics compressor
· CD De-emphasis processing
· Improved AM processing with IAC
· Soft Audio Mute
· Extended Bleep functions
· Pause detection for RDS updates
· Signal level, noise and multipath detection for AM/FM signal quality information


Application

· Car radio systems


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VDD3

VDD5


DELVDD

+/-Iik


+/-Iok


+/-Io


+/-Idd +/- Iss


Tamb



Tstg

ESDV



LTCH

P


Ptot		 DC supply voltage

DC supply voltage

Voltage difference
between two VDDx pins

DC input clamp diode
current

DC output clamp diode
current output type 4 mA

DC output source or sink
current output type 4 mA

DC VDD or VSS current
per supply pin

Ambient operating
temperature

Storage temperature range

ESD sensitivity
human body model
machine model

Latch up protection

Power dissipation per
output

Total power dissipation




Only valid for the voltages
in connection with the 5 V
I/O's


Vi<-0.5 V or Vi>VDD+0.5 V

Vo<-0.5 V or Vo>VDD+0.5
V

-0.5 V< Vo <VDD+0.5 V






100 pF,1500 W

100 pF,2.5 mH, 0 W

CIC spec/test method





 -0.5

-0.5


-

-

-

-

-40

-65

3000

300

100		 5

6


550

10

20

20

750

85

150

100

1600		 V

V


mV

mA

mA

mA

mA

C

C

V

V

mA

mW

mW



Description

The CDSP-chip SAA7708H performs all the signal functions in front of the power amplifiers and behind the AM and FM_MPX demodulation of a car radio or the tape input. These functions of SAA7708H are: interference absorption, stereo decoding, RDS decoding, FM and AM weak signal processing (soft-mute, sliding stereo, etc.), Dolby-B tape noise reduction and the audio controls (volume, balance, fader and tone). Some functions have been implemented in hardware (stereo decoder, RDS decoding and IAC for FM_MPX) and are not freely programmable. A digital audio signals from external sources with the Philips I2S and the LSB 16, 18 and 20 bit justified format or SPDIF format are accepted. There are four independent analog output channels..

The DSP SAA7708H contains a basic program which enables a set with AM/FM reception, sophisticated FM weak signal functions, MSS, Dolby-B tape noise reduction system, CD play with compressor function and separate bass and treble tone control and fader/balance control.




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