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<meta name="keywords" content="模数转换器, 精密 ADC (
|C0|0|0|0|2|0|2
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(正在供货)
24 位 ADC，具有 8 通道、PGA 1:128、50/60Hz 槽口 和 0.6mW 功耗
&(英文內容)
In English
日本語表示
工具与软件
相关终端应用
The ADS1242 and ADS1243 are precision, wide dynamic range, delta-sigma, analog-to-digital (A/D) converters with 24-bit resolution operating from 2.7V to 5.25V supplies. These delta-sigma, A/D converters provide up to 24 bits of no missing code performance and effective resolution of 21 bits. The input channels are multiplexed. Internal buffering can be selected to provide a very high input impedance for direct connection to transducers or low-level voltage signals. Burnout current sources are provided that allow for the detection of an open or shorted sensor. An 8-bit digital-to-analog converter (DAC) provides an offset correction with a range of 50% of the FSR (Full-Scale Range). The Programmable Gain Amplifier (PGA) provides selectable gains of 1 to 128 with an effective resolution of 19 bits at a gain of 128. The A/D conversion is accomplished with a second-order delta-sigma modulator and programmable FIR filter that provides a simultaneous 50Hz and 60Hz notch. The reference input is differential and can be used for ratiometric conversion. The serial interface is SPI compatible. Up to eight bits of data I/O are also provided that can be used for input or output. The ADS1242 and ADS1243 are designed for high-resolution measurement applications in smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation.
24 BITS NO MISSING CODES SIMULTANEOUS 50Hz AND 60Hz REJECTION (-90dB MINIMUM) 0.0015% INL 21 BITS EFFECTIVE RESOLUTION (PGA = 1), 19 BITS (PGA = 128) PGA GAINS FROM 1 TO 128 SINGLE-CYCLE SETTLING PROGRAMMABLE DATA OUTPUT RATES EXTERNAL DIFFERENTIAL REFERENCE OF 0.1V TO 5V ON-CHIP CALIBRATION SPI&#153; COMPATIBLE 2.7V TO 5.25V SUPPLY RANGE 600&W POWER CONSUMPTION UP TO EIGHT INPUT CHANNELS UP TO EIGHT DATA I/O APPLICATIONS INDUSTRIAL PROCESS CONTROL LIQUID/GAS CHROMATOGRAPHY BLOOD ANALYSIS SMART TRANSMITTERS PORTABLE INSTRUMENTATION WEIGHT SCALES
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Resolution
Sample Rate (max)
# Input Channels
Multi-Channel Configuration
Input Range
Input Range
Analog Voltage AV/DD
Analog Voltage AV/DD
Architecture
Integrated Features
Operating Temperature Range
Pin/Package
Approx. Price (US$)
Input Type
Reference Mode
Multiplexed
Serial SPI
Delta-Sigma
50/60 Hz Rejection
4.36 | 1ku
Differential
Single-Ended
其它合格版本 ADS1243
用于严苛环境下的高温产品
相关终端应用ADS1242 | 精密 ADC (<=10MSPS) | 模数转换器 | 描述与参数
<meta name="keywords" content="模数转换器, 精密 ADC (
|C0|0|0|0|2|0|2
&&&&&&&&&&&&&&&
(正在供货)
24 位 ADC，具有 4 通道、PGA 1:128、50/60Hz 槽口和 0.6mW 功耗
&(英文內容)
In English
日本語表示
工具与软件
相关终端应用
The ADS1242 and ADS1243 are precision, wide dynamic range, delta-sigma, analog-to-digital (A/D) converters with 24-bit resolution operating from 2.7V to 5.25V supplies. These delta-sigma, A/D converters provide up to 24 bits of no missing code performance and effective resolution of 21 bits. The input channels are multiplexed. Internal buffering can be selected to provide a very high input impedance for direct connection to transducers or low-level voltage signals. Burnout current sources are provided that allow for the detection of an open or shorted sensor. An 8-bit digital-to-analog converter (DAC) provides an offset correction with a range of 50% of the FSR (Full-Scale Range). The Programmable Gain Amplifier (PGA) provides selectable gains of 1 to 128 with an effective resolution of 19 bits at a gain of 128. The A/D conversion is accomplished with a second-order delta-sigma modulator and programmable FIR filter that provides a simultaneous 50Hz and 60Hz notch. The reference input is differential and can be used for ratiometric conversion. The serial interface is SPI compatible. Up to eight bits of data I/O are also provided that can be used for input or output. The ADS1242 and ADS1243 are designed for high-resolution measurement applications in smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation.
24 BITS NO MISSING CODES SIMULTANEOUS 50Hz AND 60Hz REJECTION (-90dB MINIMUM) 0.0015% INL 21 BITS EFFECTIVE RESOLUTION (PGA = 1), 19 BITS (PGA = 128) PGA GAINS FROM 1 TO 128 SINGLE-CYCLE SETTLING PROGRAMMABLE DATA OUTPUT RATES EXTERNAL DIFFERENTIAL REFERENCE OF 0.1V TO 5V ON-CHIP CALIBRATION SPI&#153; COMPATIBLE 2.7V TO 5.25V SUPPLY RANGE 600&W POWER CONSUMPTION UP TO EIGHT INPUT CHANNELS UP TO EIGHT DATA I/O APPLICATIONS INDUSTRIAL PROCESS CONTROL LIQUID/GAS CHROMATOGRAPHY BLOOD ANALYSIS SMART TRANSMITTERS PORTABLE INSTRUMENTATION WEIGHT SCALES
All trademarks are the property of their respective owners.
查看更多内容
Resolution
Sample Rate (max)
# Input Channels
Multi-Channel Configuration
Input Range
Input Range
Analog Voltage AV/DD
Analog Voltage AV/DD
Architecture
Integrated Features
Operating Temperature Range
Pin/Package
Approx. Price (US$)
Input Type
Reference Mode
Multiplexed
Serial SPI
Delta-Sigma
50/60 Hz Rejection
3.97 | 1ku
Differential
Single-Ended
相关终端应用