ADS7866IDBVR

Analog To Digital Converters (ADC) Overview

The ADS7866IDBVR is a single-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with an analog and digital supply voltage range of 1.2 V to 3.6 V. The device supports a maximum sampling rate of 200 kSPS and features a serial interface compatible with standard SPI protocols. Key performance metrics include a signal-to-noise ratio of 71 dB, differential nonlinearity of -1/1.5 LSB, and integral nonlinearity of +/- 1.5 LSB. It consumes 220 uW of power at low speeds and dissipates up to 1.8 mW. The component is housed in a compact SOT-23-6 package and functions within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Ultra-low power consumption suitable for battery-operated applications
• Compact SOT-23-6 surface-mount packaging for space-constrained designs
• Single-supply operation from 1.2 V to 3.6 V
• High accuracy with 12-bit resolution and low nonlinearity errors

Analog To Digital Converters (ADC) Applications

• Portable medical instrumentation
• Battery-powered data acquisition systems
• Industrial process control sensors
• Handheld test equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'DBVR' corresponds to the tape-and-reel packaging format when ordering. Confirm that the required operating temperature range aligns with the industrial grade specification (-40°C to +85°C). Ensure the design accommodates the single-ended input configuration and SPI timing requirements specified in the official datasheet. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance of low power, small footprint, and moderate speed is required. The 200 kSPS rate is sufficient for many sensor interfaces but may be insufficient for high-speed video or audio applications. Consider the single-ended input limitation if differential signaling is necessary, which would require external circuitry or a different part. Verify that the 1.2 V minimum supply voltage meets the system's power budget constraints.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADS7866 series of low-power, 12-bit ADCs. It shares architectural similarities with other SAR converters in the family but is distinguished by its specific pinout and packaging in the SOT-23-6 form factor. The 'IDBVR' designation indicates the industrial temperature range and reel packaging variant offered by Texas Instruments for mass production integration.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements within the same series include the ADS7867 and ADS7868, which offer similar performance characteristics. Other alternatives may exist among different manufacturers, but electrical compatibility and interface timing must be verified against the original datasheet specifications.