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LTC2378-20 - Low Power SAR ADC

Description

The LTC®2378-20 is a low noise, low power, high speed 20-bit successive approximation register (SAR) ADC.

Operating from a 2.5V supply, the LTC2378-20 has a ±VREF fully differential input range with VREF ranging from 2.5V to 5.1V.

Features

  • n 1Msps Throughput Rate n ±0.5ppm INL (Typ) n Guaranteed 20-Bit No Missing Codes n Low Power: 21mW at 1Msps, 21µW at 1ksps n 104dB SNR (Typ) at fIN = 2kHz n.
  • 125dB THD (Typ) at fIN = 2kHz n Digital Gain Compression (DGC) n Guaranteed Operation to 85°C n 2.5V Supply n Fully Differential Input Range ±VREF n VREF Input Range from 2.5V to 5.1V n No Pipeline Delay, No Cycle Latency n 1.8V to 5V I/O Voltages n SPI-Compatible Serial I/O with Daisy-Chain Mode n Internal Conversion Cl.

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Full PDF Text Transcription

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FEATURES n 1Msps Throughput Rate n ±0.5ppm INL (Typ) n Guaranteed 20-Bit No Missing Codes n Low Power: 21mW at 1Msps, 21µW at 1ksps n 104dB SNR (Typ) at fIN = 2kHz n –125dB THD (Typ) at fIN = 2kHz n Digital Gain Compression (DGC) n Guaranteed Operation to 85°C n 2.5V Supply n Fully Differential Input Range ±VREF n VREF Input Range from 2.5V to 5.1V n No Pipeline Delay, No Cycle Latency n 1.
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