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ADS1243-HT

現行

高溫 24 位元 ADC、8 通道、PGA 1:128、50/60 Hz 陷波

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產品規格表

ADS1243-HT

現行
產品規格表 立即訂購

產品詳細資料

Resolution (bps) 24 Sample rate (max) (ksps) 0.015 Number of input channels 8 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating High Temp Reference mode External Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Features 50/60 Hz Rejection, GPIO, PGA Operating temperature range (°C) -55 to 210 Power consumption (typ) (mW) 0.6 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 124 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Resolution (bps) 24 Sample rate (max) (ksps) 0.015 Number of input channels 8 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating High Temp Reference mode External Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Features 50/60 Hz Rejection, GPIO, PGA Operating temperature range (°C) -55 to 210 Power consumption (typ) (mW) 0.6 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 124 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
  • 24-Bits No Missing Codes
  • Simultaneous 50-Hz and 60-Hz Rejection
    (–90 dB Minimum)
  • 0.0025% INL
  • PGA Gains From 1 to 128
  • Single-Cycle Settling
  • Programmable Data Output Rates
  • External Differential Reference
    of 0.1 V to 5 V
  • On-Chip Calibration
  • SPI™ Compatible
  • 2.7 V to 5.25 V Supply Range
  • 600-µW Power Consumption
  • Up to Eight Input Channels
  • Up to Eight Data I/O
  • 24-Bits No Missing Codes
  • Simultaneous 50-Hz and 60-Hz Rejection
    (–90 dB Minimum)
  • 0.0025% INL
  • PGA Gains From 1 to 128
  • Single-Cycle Settling
  • Programmable Data Output Rates
  • External Differential Reference
    of 0.1 V to 5 V
  • On-Chip Calibration
  • SPI™ Compatible
  • 2.7 V to 5.25 V Supply Range
  • 600-µW Power Consumption
  • Up to Eight Input Channels
  • Up to Eight Data I/O

The ADS1243 is a precision, wide dynamic range, delta-sigma, analog-to-digital (A/D) converter with 24-bit resolution operating from 2.7-V to 5.25-V supplies. This delta-sigma, A/D converter provides 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 50-Hz and 60-Hz 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 ADS1243 is designed for high-resolution measurement applications in smart transmitters, industrial process control, weight scales, chromatography and portable instrumentation.

The ADS1243 is a precision, wide dynamic range, delta-sigma, analog-to-digital (A/D) converter with 24-bit resolution operating from 2.7-V to 5.25-V supplies. This delta-sigma, A/D converter provides 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 50-Hz and 60-Hz 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 ADS1243 is designed for high-resolution measurement applications in smart transmitters, industrial process control, weight scales, chromatography and portable instrumentation.
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類型 標題 日期
* Radiation & reliability report ADS1243SJD Reliability Report 2012年 7月 18日
* Data sheet 24-Bit Analog-to-Digital Converter. datasheet 2011年 12月 19日

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