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AD7986 Datasheet PulSAR 15mW ADC

Manufacturer: Analog Devices

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General Description

The AD7986 is an 18-bit, 2 MSPS successive approximation, analog-to-digital converter (ADC).

It contains a low power, high speed, 18-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and a versatile serial interface port.

On the rising edge of CNV, the AD7986 samples the voltage difference between the IN+ and IN− pins.

Overview

18-Bit, 2 MSPS PulSAR 15 mW ADC in LFCSP (QFN) AD7986.

Key Features

  • 18-bit resolution with no missing codes Throughput: 2 MSPS (TURBO = high), 1.5 MSPS (TURBO = low) Low power dissipation 15 mW at 2 MSPS, with external reference 26 mW at 2 MSPS with internal reference INL: ±1 LSB typical, ±2.5 LSB maximum SNR 95.5 dB, with on-chip reference 97.0 dB, with external reference 4.096 V internal reference: typical drift of 10 ppm/°C True differential analog input voltage range: ±VREF 0 V to VREF with VREF up to 5.0 V Allows use of any input range No pipeline delay Log.

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