Analog Devices Inc. AD4630-xx/AD4632-xx Dual Channel 16-Bit SAR ADCs

Analog Devices Inc. AD4630-xx/AD4632-xx Dual Channel 16-Bit SAR ADCs are Easy Drive, 2 MSPS successive approximation register (SAR) analog-to-digital converters (ADC). The AD4630 has a guaranteed maximum ±0.9ppm INL and no missing codes at 16 bits. The devices achieve unparalleled precision from −40°C to +125°C.

Features

  • High performance
    • Throughput
      • AD4630-16, AD4630-20: 2MSPS per channel maximum
      • AD4632-16, AD4632-20: 500kSPS per channel maximum
    • INL
      • AD4630-16/AD4632-16: ±3ppm maximum from -40°C to +125°C
      • AD4630-20/AD4632-20: ±0.8ppm maximum from -40°C to +125°C
    • SNR
      • AD4630-16/AD4632-16: 97.4dB typical
      • AD4630-20/AD4632-20: 105.7dB typical
    • THD: -127dB typical
    • NSD
      • AD4630-16/AD4632-16: -157.4dBFS/Hz typical
      • AD4630-20/AD4632-20: -166dBFS/Hz typical
  • Low power
    • 15mW per channel at 2MSPS
    • 5mW per channel at 500kSPS
    • 1.5mW per channel at 10kSPS
  • Easy Drive features reduce system complexity
    • Low 0.6μA input current for DC inputs
    • Wide common-mode input range: -(1/128) × VREF to +(129/128) × VREF
  • 4.096V to 5V flexible external reference voltage range
    • Accurate integrated reference buffer with 2μF bypass capacitor
  • Programmable block averaging filter with up to 216 decimation
    • Extended sample resolution to 30 bits
    • Overrange and synchronization bits
  • Flexi-SPI digital interface
    • 1, 2, or 4 SDO lanes per channel allows slower SCK
    • Echo clock mode simplifies the use of a digital isolator
    • Compatible with 1.2V to 1.8V logic
  • 7mm x 7mm 64-Ball CSP_BGA package with internal supply and reference capacitors to help reduce system footprint

Applications

  • Automatic test equipment
  • Digital control loops
  • Medical instrumentation
  • Seismology
  • Semiconductor manufacturing
  • Scientific instrumentation

Videos

Block Diagram

Block Diagram - Analog Devices Inc. AD4630-xx/AD4632-xx Dual Channel 16-Bit SAR ADCs
Published: 2021-12-27 | Updated: 2026-08-04