NATIONAL SEMICONDUCTOR ADC102S021 User Guide and Manual
Summary
The ADC102S021 is a low-power, two-channel 10-bit Analog-to-Digital Converter designed for efficient data acquisition across single power supplies. Featuring a high-speed serial interface and variable power management capability from 50 kSPS to 200 kSPS, it is perfect for remote monitoring and industrial control applications. This comprehensive guide provides all necessary technical documentation, including detailed electrical characteristics, maximum ratings, pin descriptions, and application guidelines required to seamlessly integrate the converter into portable or embedded systems.
Manual Details
| Brand | National |
|---|---|
| Pages | 19 |
| File Size | 912.37 KB |
| Published | June 04, 2026 |
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Frequently Asked Questions
What input voltage range can I use for the ADC102S021 converter?
It operates with a single supply ranging from +2.7V to +5.25V.
How should I power the device PCB layout requirements?
Connect it to a quiet +2.7V to +5.25V source and bypass to GND with a 1µF/2V capacitor and a 0.1µF monolithic capacitor within 1 cm.
What is the operating temperature range for this ADC?
The industrial temperature range of −40˚C to +85˚C is guaranteed for operation.
How do I reduce power consumption when the unit is idle?
Use the power-down feature: 0.12 µW at +3V supply or 0.47 µW at +5V supply.