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AD7986 - PulSAR 15mW ADC

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.

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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Other Datasheets by Analog Devices

Part Number Description
AD7980 1 MSPS PulSAR ADC
AD7981 600 kSPS PulSAR ADC
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AD7984 1.33 MSPS PulSAR 10.5 mW ADC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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18-Bit, 2 MSPS PulSAR 15 mW ADC in LFCSP (QFN) AD7986 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 Logic interface: 1.8 V/2.5 V/2.7 V Serial interface: SPI/QSPI™/MICROWIRE™/DSP compatible Ability to daisy-chain multiple ADCs with busy indicator 20-lead 4 mm × 4 mm LFCSP (QFN) V+ 15Ω 0V TO VREF V– V+ 15Ω 2.7nF V– NOTES 1.