參數(shù)資料
型號(hào)： SAA7706H/N107S,557
廠商： NXP Semiconductors
文件頁數(shù)： 34/52頁
文件大小： 0K
描述： IC DSP CAR RADIO 80QFP
標(biāo)準(zhǔn)包裝： 330
類型： 汽車信號(hào)處理器
接口： I²C，I²:S，LSB，SPDIF
電壓 - 輸入/輸出： 3.30V
電壓 - 核心： 3.30V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 80-BQFP
供應(yīng)商設(shè)備封裝： 80-QFP（14x20）
包裝： 托盤
2001 Mar 05
4
Philips Semiconductors
Product specication
Car radio Digital Signal Processor (DSP)
SAA7706H
Noise generator allows for frequency response
measurements
Boot-up ROM for fast start-up
Signal level, noise and multipath detection for AM or FM
signal quality information
AM co-channel and adjacent channel detection (not in
all rom_codes available).
2
APPLICATIONS
High-end car radio systems.
3
GENERAL DESCRIPTION
The SAA7706H performs all the signal functions in front of
the power amplifiers and behind the car radio tuner
AM and FM outputs and the CD, tape and phone inputs.
These functions are:
Interference absorption
Stereo decoding for FM and AM (stereo)
RDS-demodulation
FM and AM weak signal processing (soft mute, sliding
stereo and high cut)
Dolby-B tape noise reduction
CD de-emphasis function
Audio controls for volume, balance, fader, tone and
dynamics compression.
Some functions have been implemented in hardware
(FM stereo decoder, RDS-demodulator and
FM Interference Absorption Circuit (IAC) and are not freely
programmable.
Digital audio signals from external sources with the Philips
I2S-bus and the LSB-justified 16, 18, 20 and 24 bits format
or SPDIF format are accepted.
The big advantage of this SAA7706H device is the ‘dual
media support’; this enables independent front seat and
rear seat audio sources and control.
4
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDD
operating supply voltage
all VDD pins with respect
to VSS
3
3.3
3.6
V
IDDD
supply current of the digital part
DSP1 at 50 MHz; DSP2
at 62.9 MHz
110
150
mA
IDDA
supply current of the analog part
zero input and output
signal
40
60
mA
Ptot
total power dissipation
DSP1 at 50 MHz; DSP2
at 62.9 MHz
540
750
mW
FM_MPX input
Vi(con)(max)(rms)
maximum conversion input level
(RMS value)
THD < 1%;
VOLFM = 00H
0.33
0.368
V
THD
total harmonic distortion
input signal 0.368 V
(RMS) at 1 kHz;
bandwidth = 19 kHz;
VOLFM = 00H
70
65
dB
0.03
0.056
%
S/N
signal-to-noise ratio input stereo
input signal at 1 kHz;
bandwidth = 40 kHz;
0 dB reference = 0.368 V
(RMS); VOLFM = 00H
75
81
dB
CD, TAPE, AUX and AM inputs
Vi(con)(max)(rms)
maximum conversion input level
(RMS value)
THD < 1%
0.6
0.66
V
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