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参数资料
| 型号： | ADC124S021EVAL |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | 4 Channel, 200 kSPS, 12-Bit A/D Converter |
| 中文描述： | 4通道，200 kSPS的，12位A / D转换器 |
| 文件页数： | 1/19页 |
| 文件大小： | 909K |
| 代理商： | ADC124S021EVAL |
ADC124S021
4 Channel, 200 kSPS, 12-Bit A/D Converter
General Description
TheADC124S021 is a low-power, four-channel CMOS 12-bit
analog-to-digital converter with a high-speed serial interface.
Unlike the conventional practice of specifying performance
at a single sample rate only, the ADC124S021 is fully speci-
fied over a sample rate range of 50 kSPS to 200 kSPS. The
converter is based on a successive-approximation register
architecture with an internal track-and-hold circuit. It can be
configured to accept up to four input signals at inputs IN1
through IN4.
The output serial data is straight binary, and is compatible
with several standards, such as SPI
, QSPI
, MICROW-
IRE, and many common DSP serial interfaces.
The ADC124S021 operates with a single supply that can
range from +2.7V to +5.25V. Normal power consumption
using a +3V or +5V supply is 2.2 mW and 7.9 mW, respec-
tively. The power-down feature reduces the power consump-
tion to just 0.14 μW using a +3V supply, or 0.32 μW using a
+5V supply.
The ADC124S021 is packaged in a 10-lead MSOP package.
Operation over the industrial temperature range of 40C to
+85C is guaranteed.
Features
n
Specified over a range of sample rates.
n
Four input channels
n
Variable power management
n
Single power supply with 2.7V - 5.25V range
Key Specifications
n
DNL
n
INL
n
SNR
n
Power Consumption
— 3V Supply
— 5V Supply
+0.4 / 0.2 LSB (typ)
±
0.35 LSB (typ)
72.0 dB (typ)
2.2 mW (typ)
7.9 mW (typ)
Applications
n
Portable Systems
n
Remote Data Aquisitions
n
Instrumentation and Control Systems
Pin-Compatible Alternatives by Resolution and Speed
All devices are fully pin and function compatible.
Resolution
Specified for Sample Rate Range of:
200 to 500 kSPS
ADC124S051
ADC104S051
ADC084S051
50 to 200 kSPS
ADC124S021
ADC104S021
ADC084S021
500 kSPS to 1 MSPS
ADC124S101
ADC104S101
ADC084S101
12-bit
10-bit
8-bit
Connection Diagram
20124305
TRI-STATE
is a trademark of National Semiconductor Corporation
QSPI
and SPI
are trademarks of Motorola, Inc.
April 2005
A
2005 National Semiconductor Corporation
DS201243
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADC124S051 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:4 Channel, 500 kSPS, 12-Bit A/D Converter |
| ADC124S051CIMM | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADC124S051CIMM/NOPB | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADC124S051CIMMX | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADC124S051CIMMX/NOPB | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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