ADS7822EC/250

Analog To Digital Converters (ADC) Overview

The ADS7822EC/250 is a single-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with an analog supply voltage range of 2.7 V to 5.25 V and supports sampling rates up to 200 kS/s. The device features a pseudo-differential or single-ended input structure and communicates via a 3-wire serial interface compatible with standard SPI protocols. Key performance metrics include a signal-to-noise and distortion ratio (SINAD) of 71 dB, with differential nonlinearity (DNL) and integral nonlinearity (INL) both specified at ±0.75 LSB. It consumes approximately 1.6 mW of power and functions within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• MicroPower architecture enabling low energy consumption suitable for battery-operated systems
• High-speed 12-bit resolution with 200 kSPS sampling capability
• Flexible input configuration supporting pseudo-differential and single-ended signals
• Compact surface-mount packaging for space-constrained designs

Analog To Digital Converters (ADC) Applications

• Portable instrumentation requiring low power consumption
• Industrial process control data acquisition systems
• Battery-powered measurement devices
• Medical equipment signal conditioning

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix '250' against the manufacturer's official datasheet to confirm reel quantity and tape specifications. Ensure compatibility with external reference requirements as the device utilizes an external reference topology. Confirm RoHS compliance status through current documentation before procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance between moderate speed and high precision is required in a small footprint. The SAR architecture offers deterministic conversion time compared to delta-sigma types. Consider the external reference requirement if system accuracy demands precise voltage referencing beyond internal options.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7822 series of micro-power ADCs from Texas Instruments. It shares architectural similarities with other members in the family but differs in package type and specific ordering suffixes. The EC/250 designation indicates a specific commercial grade variant in the VSSOP-8 package.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements may include other ADS7822 variants with different suffixes indicating package or temperature changes. Verify electrical parameters such as sampling rate and linearity when substituting with similar SAR ADCs from other manufacturers.