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AD1556 Datasheet 24-Bit ADC WITH LOW NOISE PGA

Manufacturer: Analog Devices

Overview: a.

Download the AD1556 datasheet PDF. This datasheet also includes the AD1 variant, as both parts are published together in a single manufacturer document.

General Description

24-Bit ⌺-⌬ ADC with Low Noise PGA AD1555/AD1556 high dynamic range measurement applications.

The AD1555 outputs a ones-density bitstream proportional to the analog input.

When used in conjunction with the AD1556 digital filter/ decimator, a high performance ADC is realized.

Key Features

  • AD1555 Fourth Order ⌺- ⌬ Modulator Large Dynamic Range 116 dB Min, 120 dB Typical @ 1 ms 117 dB Typical @ 0.5 ms Low Input Noise: 80 nV rms @ 4 ms with Gain of 34,128 Low Distortion:.
  • 111 dB Max,.
  • 120 dB Typical Low Intermodulation: 122 dB Sampling Rate at 256 kSPS Very High Jitter Tolerance No External Antialias Filter Required Programmable Gain Front End Input Range: ؎2.25 V Robust Inputs Gain Settings: 1, 2.5, 8.5, 34, 128 Common-Mode Rejection (DC to 1 kHz) 93 dB Min, 101 dB.