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LTC2492 - 24-Bit 2-/4-Channel ADC

Description

The LTC®2492 is a 4-channel (2-channel differential), 24‑bit, No Latency ∆∑™ ADC with Easy Drive technology.

The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current.

Features

  • n Up to 2 Differential or 4 Single-Ended Inputs n Easy Drive™ Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current n Directly Digitizes High Impedance Sensors with Full Accuracy n 600nVRMS Noise n Integrated High Accuracy Temperature Sensor n GND to VCC Input/Reference Common Mode Range n Programmable 50Hz, 60Hz, or Simultaneous 50Hz/60Hz Rejection Mode n 2ppm INL, No Missing Codes n 1ppm Offset and 15ppm Full-Scale Error n 2x Speed Mode/Reduced Power Mode (15Hz Usi.

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Full PDF Text Transcription

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Features n Up to 2 Differential or 4 Single-Ended Inputs n Easy Drive™ Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current n Directly Digitizes High Impedance Sensors with Full Accuracy n 600nVRMS Noise n Integrated High Accuracy Temperature Sensor n GND to VCC Input/Reference Common Mode Range n Programmable 50Hz, 60Hz, or Simultaneous 50Hz/60Hz Rejection Mode n 2ppm INL, No Missing Codes n 1ppm Offset and 15ppm Full-Scale Error n 2x Speed Mode/Reduced Power Mode (15Hz Using Internal Oscillator and 80µA at 7.5Hz Output) n No Latency: Digital Filter Settles in a Single Cycle, Even After a New Channel is Selected n Single Supply 2.7V to 5.5V Operation (0.
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