參數(shù)資料
型號: ADC122S101
廠商: National Semiconductor Corporation
英文描述: 2 Channel, 1 MSPS 12-Bit A/D Converter
中文描述: 2通道,1 MSPS的12位A / D轉(zhuǎn)換器
文件頁數(shù): 2/19頁
文件大小: 941K
代理商: ADC122S101
Block Diagram
20125207
Pin Descriptions and Equivalent Circuits
Pin No.
ANALOG I/O
5,4
DIGITAL I/O
Symbol
Description
IN1 and IN2
Analog inputs. These signals can range from 0V to V
A
.
8
SCLK
Digital clock input. This clock directly controls the conversion
and readout processes.
Digital data output. The output samples are clocked out of this
pin on falling edges of the SCLK pin.
Digital data input. The ADC122S101’s Control Register is
loaded through this pin on rising edges of the SCLK pin.
Chip select. On the falling edge of CS, a conversion process
begins. Conversions continue as long as CS is held low.
7
DOUT
6
DIN
1
CS
POWER SUPPLY
2
V
A
Positive supply pin. This pin should be connected to a quiet
+2.7V to +5.25V source and bypassed to GND with a 1 μF
capacitor and a 0.1 μF monolithic capacitor located within 1
cm of the power pin.
The ground return for the analog supply and signals.
3
GND
A
www.national.com
2
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ADC122S101CIMM 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADC122S101CIMM/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADC122S101CIMMX 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADC122S101CIMMX/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADC122S101EVAL 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADC122S101EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V