National Semiconductor ADC12D040 Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference and Sample-and-Hold
Summary
The ADC12D040 is a high-performance, dual 12-bit Analog-to-Digital Converter boasting up to 40 MSPS operation and single-supply capability. This low-power monolithic device features an internal/external reference and advanced pipelined architecture for excellent signal integrity. The accompanying manual provides comprehensive details on its specifications, including dynamic range metrics (e.g., SNR, ENOB), pinout diagrams, and operational modes like Power Down. Ideal for demanding professional applications such as Ultrasound Imaging, Sonar/Radar systems, high-end Instrumentation, and advanced Communications Receivers.
Manual Details
| Brand | National |
|---|---|
| Pages | 22 |
| File Size | 612.50 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
Is a differential input required for optimal performance?
While single-ended operation is possible, using IN_CM as a differential pair provides the best available performance.
What power consumption can be expected in standby mode?
If you use the Power Down feature by setting the PD pin high, the device typically consumes only 75 mW.
What are the permissible operating frequencies for the clock input?
The digital clock input has a frequency range from 100 kHz up to 50 MHz (typical), with guaranteed performance at 40 MHz.
Does this device support single-supply operation?
Yes, it supports single supply operation and operates on a single 5V power supply.