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SAA7707H

Features: 1.1 Hardware· Bitstream 3rd-order Sigma-Delta Analog-to-Digital Converters (ADCs) with anti-aliasing broadband input filters· Digital-to-Analog Converters (DACs)with four times oversampling and noise shaping· Digital stereo decoder· Improved digital Interference Absorption Circuit (IAC)·...

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SeekIC No. : 004484082 Detail

SAA7707H: Features: 1.1 Hardware· Bitstream 3rd-order Sigma-Delta Analog-to-Digital Converters (ADCs) with anti-aliasing broadband input filters· Digital-to-Analog Converters (DACs)with four times oversamplin...

SAA7707H Data Sheet

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Part Number:
SAA7707H
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

1.1 Hardware
· Bitstream 3rd-order Sigma-Delta Analog-to-Digital Converters (ADCs) with anti-aliasing broadband input filters
· Digital-to-Analog Converters (DACs)with four times oversampling and noise shaping
· Digital stereo decoder
· Improved digital Interference Absorption Circuit (IAC)
· RDS processing with optional 16-bit buffer via separate channel (two-tuner radio possible)
· Auxiliary analog CD input (CD-walkman, speech, economic CD-changer, etc.)
· Two separate full I2S-bus CD and DCC high performance interfaces
· Expandable with additional Digital Signal Processors (DSPs) for sophisticated features through an I2S-bus gateway
· Audio output short-circuit protected
· I2C-bus controlled
· Analog tape input
· Operating ambient temperature from -40 to +85 °C.
1.2 Software
· Improved FM weak signal processing
· Integrated 19 kHz MPX filter and de-emphasis
· Electronic adjustments: FM/AM level, FM channel separation and Dolby level
· Baseband audio processing (treble, bass, balance, fader and volume)
· Dynamic loudness or bass boost
· Stereo one-band parametric equalizer
· Audio level meter for an automatic leveller (in combination with microcontroller)
· Tape equalization (DCC analog playback)
· Music Search detection for Tape (MSS)
· Pause detection for RDS updates
· Dolby-B tape noise reduction
· Adjustable dynamics compressor
· CD and DCC de-emphasis processing
· Signal level, noise and multi-path detection for RDS (I2C-bus command)
· Improved AM reception.


Application

· Car radio
· Car audio systems.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VDD

VDD

IIK

IOK

IO

IDD

ISS

LTCH

PO

Ptot

Tstg

Tamb

Ves		 DC supply voltage
(each supply pin)

voltage difference between VDD
and VDDX

DC input clamp diode current

DC output clamp diode current
(output type 4 mA)

DC output sink or source

current (output type 4 mA)

DC supply current per pin

DC supply current per pin

latch-up protection

power dissipation per output

total power dissipation

storage temperature

operating ambient temperature

electrostatic discharge






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


VO < -0.5 V or

VO > VDD + 0.5 V

-0.5 < VO < VDD + 0.5 V

CIC specification/test method










note 1

note 2		 -0.5

-

-

-

-

-

-

100

-

-

-65

-40

-3000


-300		 +6.5

550

±10

±20

±20

50

50

-

100

1

+150

+85

+3000


+300		 V

mV

mA

mA

mA

mA

mA

mA

mW

W

°C

°C

V


V
Notes
1. Human body model: C = 100 pF; R = 1.5 k.
2. Machine model: C = 200 pF; L = 2.5 mH; R = 0 .


Description

The SAA7707H performs all the signal functions in front of the power amplifiers and behind the AM and FMMPX demodulation of a car radio or the tape input.

These functions of SAA7707H are:
· Interference absorption
· Stereo decoding
· RDS decoding
· FM and AM weak signal processing (soft mute, sliding stereo, etc.)
· Dolby-B tape noise reduction
· The audio controls (volume, balance, fader, tone and dynamics compression).

Some functions of SAA7707H have been implemented in hardware (stereo decoder, RDS decoder and IAC) and are not freely programmable. Digital audio signals from external sources with I2S-bus formats are accepted. There are four independent analog output channels. SAA7707H enables, in special system configurations, separate tone and equalization control for front and rear speakers.

The CDSP SAA7707H contains a basic program that enables a set with:
· AM/FM reception
· Sophisticated FM weak signal functions
· Music Search detection for Tape (MSS)
· Dolby-B tape noise reduction system
· CD play with compressor function
· Separate bass and treble tone control and fader/balance control.

For high-end sets with special and more sophisticated features of SAA7707H, an additional Digital Signal Processor (DSP) can be connected. Examples of such features are:
· Noise-dependent volume control
· 10-band graphic equalizer
· Audio spectrum analyzer on display
· Signal delay for concert hall effects.




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