ADC081S021CIMFX

Analog To Digital Converters (ADC) Overview

The ADC081S021CIMFX is a single-channel, 8-bit analog-to-digital converter manufactured by Texas Instruments. It utilizes a successive-approximation register architecture with an internal track-and-hold circuit. The device operates on a single power supply ranging from +2.7V to +5.25V and supports sample rates from 50 ksps to 200 ksps. Key electrical specifications include a typical Signal-to-Noise Ratio (SNR) of 49.6 dB, differential non-linearity (DNL) of ±0.03 LSB, and integral non-linearity (INL) of ±0.03 LSB. Power consumption is typically 1.3 mW at 3.6V and 7.7 mW at 5.25V during normal operation. The component features a serial interface compatible with SPI, QSPI, Microwire, and DSP standards.

Analog To Digital Converters (ADC) Feature Summary

• Single-channel 8-bit resolution with no missing codes
• Variable power management with shutdown mode reducing power to 2.6 µW
• Serial interface compatible with SPI, QSPI, Microwire, and DSP protocols
• Operates over industrial temperature range of -40°C to +85°C

Analog To Digital Converters (ADC) Applications

• Portable systems requiring low power consumption
• Remote data acquisition networks
• Instrumentation and control systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the ordering suffix 'CIMFX' corresponds to the specific package variant required for the design. Confirm that the pinout matches the intended footprint, as the datasheet indicates availability in both WSON and SOT-23 packages. Ensure the voltage supply rails align with the specified 2.7V to 5.25V operating range before integration.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, low-power 8-bit conversion is needed at speeds up to 200 ksps. It is suitable for applications where system cost and power efficiency are prioritized over high-resolution or high-speed performance. Ensure the input signal source impedance is low enough to charge the internal sampling capacitor within the specified acquisition time.

Analog To Digital Converters (ADC) Part Context

The ADC081S021 belongs to the ADC081S family of single-channel converters. Pin-compatible alternatives exist within the same series offering different resolutions (10-bit, 12-bit) and speed ranges (200-500 ksps, 500 ksps-1 Msps). These variants share identical pinouts and functional compatibility, allowing for design flexibility without PCB layout changes.

Analog To Digital Converters (ADC) Replacement Considerations

Pin-compatible substitutes include the ADC081S051, ADC081S101, ADC101S021, ADC101S051, ADC101S101, ADC121S021, ADC121S051, and ADC121S101. Verify that the replacement part's speed and resolution requirements match the application needs.