ADC10461CIWM/NOPB

Analog To Digital Converters (ADC) Overview

The ADC10461CIWM/NOPB is a 10-bit analog-to-digital converter featuring an internal sample-and-hold circuit and a single-channel input. It utilizes a patented multistep conversion technique to achieve a typical conversion time of 600 ns with a maximum sampling rate of 800 kHz. The device operates on a single +5V supply, dissipating a maximum power of 235 mW. Key electrical specifications include a total harmonic distortion (THD) of -60 dB at 50 kHz and a signal-to-noise ratio (SNR) of 58 dB minimum at 50 kHz. It employs a memory-mapped interface requiring no external logic.

Analog To Digital Converters (ADC) Feature Summary

• Multistep conversion architecture for high-speed 10-bit accuracy
• Built-in sample-and-hold supporting up to 800 kHz sampling
• Single +5V supply operation with low power dissipation
• Memory-mapped interface compatible with microprocessors

Analog To Digital Converters (ADC) Applications

• Digital signal processor front ends
• Instrumentation systems
• Disk drives
• Mobile telecommunications

Analog To Digital Converters (ADC) Procurement Notes

Verify the component origin as this part number represents a Texas Instruments designation for a legacy National Semiconductor product. Confirm that the 'NOPB' suffix indicates lead-free status and RoHS compliance relative to the original datasheet specifications. Ensure the CIWM package variant matches the required surface-mount form factor for the design.

Analog To Digital Converters (ADC) Selection Notes

Select the ADC10461CIWM/NOPB when a single-ended analog input is sufficient. For designs requiring multiple inputs, consider the ADC10462 or ADC10464 variants which include multiplexers. Ensure the source impedance is below 500 ohms to maintain accuracy at the minimum sample time. Verify that the system can accommodate the specific timing requirements of Mode 1 or Mode 2 operation.

Analog To Digital Converters (ADC) Part Context

This component belongs to the ADC1046x family, which includes the ADC10461, ADC10462, and ADC10464. These devices were originally manufactured by National Semiconductor before being acquired by Texas Instruments. The ADC10461 serves as the single-channel version of this series, offering a pin-compatible upgrade path from the older ADC1061 model while providing significantly faster conversion speeds.

Analog To Digital Converters (ADC) Replacement Considerations

The ADC10461CIWM is pin-compatible with the ADC1061CIWM. Designers upgrading from the ADC1061 should verify that the increased speed does not require adjustments to the system timing constraints.