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参数资料
| 型号： | SAA7706H/N210,557 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 3/52页 |
| 文件大小： | 0K |
| 描述： | IC CAR RADIO DSP 80-QFP |
| 标准包装： | 330 |
| 类型： | 汽车信号处理器 |
| 接口： | I²C，I²:S，LSB，SPDIF |
| 电压 - 输入/输出： | 3.30V |
| 电压 - 核心： | 3.30V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 80-BQFP |
| 供应商设备封装： | 80-QFP（14x20） |
| 包装： | 托盘 |
| 其它名称： | 935270285557 SAA7706H/N210 SAA7706H/N210-ND |
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2001 Mar 05
11
Philips Semiconductors
Product specication
Car radio Digital Signal Processor (DSP)
SAA7706H
8
FUNCTIONAL DESCRIPTION
8.1
Analog front-end
The analog front-end consists of two identical sigma-delta
stereo ADCs (ADC1 and ADC2) with several input control
blocks for handling common mode signals and acting as
input selector. A mono version (ADC3) is added for
handling RDS signals. Also a first-order sigma-delta ADC
for tuner level information is incorporated.
The switches S1 and S2 select (see Fig.3) between the
FM_MPX/FM_RDS and the CD, TAPE, AUX, AM,
PHONE and NAV connection to ADC1 and ADC2. The
inputs CD, TAPE, AUX, AM, PHONE and NAV can be
selected with the audio input controls (AIC1/2). The
ground reference (G0 and G1) can be selected to be able
to handle common mode signals for CD or TAPE. The
ground reference G0 is connected to an external pin
and G1 is internally referenced (see Fig.4).
The PHONE and NAV inputs have their own CMRR input
stage and can be redirected to ADC1/2 via the Audio Input
Control (AIC). For pin compatibility with SAA7704,
SAA7705 and SAA7708 the AM is combined with the NAV
input. It is also possible to directly mix PHONE or NAV
(controlled with MIXC) with the front FSDAC channels
after volume control. The FM inputs (FM_MPX/FM_RDS)
can be selected with external pin SEL_FR. The
FM and RDS input sensitivity can be adjusted with VOLFM
and VOLRDS via I2C-bus.
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相关代理商/技术参数 |
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| SAA7707H | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Car radio Digital Signal Processor CDSP |
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