AD7656BSTZ vs AD7654AST

This in-depth comparison of the AD7656BSTZ and AD7654AST provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

AD7656BSTZ

Analog Devices Inc.

Lifecycle
Active
Stock
3438 PCS
Package
LQFP-64
Series
Data Acquisition - Analog to Digital Converters (ADC)
+BOM RFQ
Part B

AD7654AST

Analog Devices Inc.

Lifecycle
Active
Stock
7850 PCS
Package
LQFP-48
Series
Data Acquisition - Analog to Digital Converters (ADC)
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification AD7656BSTZ AD7654AST
Supplier - Rochester Electronics, LLC
Series iCMOS® PulSAR®
Part Status Active Obsolete
Number of Bits 16 16
Sampling Rate(Per Second) 250k 500k
Number of A/D Converters 6 1
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Number of Inputs 6 -
Input Type Single Ended -
Data Interface SPI, Parallel, DSP -
Configuration S/H-ADC -
Ratio - S / H: ADC 1:1 -
Architecture SAR -
Reference Type External, Internal -
Voltage - Supply, Analog 5V -
Voltage - Supply, Digital 5V -
Features Simultaneous Sampling, True Bipolar -
Compare RFQ