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
- Throughput
- 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
Additional Resources
Videos
Block Diagram
Published: 2021-12-27
| Updated: 2026-08-04
