ADS7844EBG4

Analog To Digital Converters (ADC) Overview

The ADS7844EBG4 is a 12-bit, 8-channel serial output sampling analog-to-digital converter manufactured by Texas Instruments. It utilizes a successive approximation register (SAR) architecture and features an SPI-compatible serial interface. The device supports pseudo-differential or single-ended input types with a maximum analog input voltage of 5.25 V. It operates on an analog supply voltage range of 2.7 V to 5.25 V and a digital supply voltage range of 1.9 V to 5.5 V. Key performance metrics include a sampling rate of 200 kS/s, a typical power consumption of 1.8 mW, and a SINAD of 72 dB. The component is housed in a 20-lead SSOP package.

Analog To Digital Converters (ADC) Feature Summary

• Integrates an onboard multiplexer for efficient multi-channel data acquisition
• Supports flexible input configurations including pseudo-differential and single-ended modes
• Enables low-power operation suitable for battery-driven applications
• Provides high-resolution 12-bit conversion with minimal missing codes

Analog To Digital Converters (ADC) Applications

• Portable multichannel data loggers
• Personal digital assistants and handheld devices
• Measurement equipment requiring high precision
• Industrial monitoring systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'EBG4' against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering part number matches the required package type and temperature rating. Cross-reference the manufacturer's official documentation for any recent design changes or obsolescence notices before finalizing procurement plans.

Analog To Digital Converters (ADC) Selection Notes

Select this component when eight analog channels require simultaneous or sequential sampling at speeds up to 200 kS/s. It is appropriate for designs needing a serial interface to reduce microcontroller pin usage. Consider the external reference requirement and the specific voltage ranges for analog and digital supplies during system integration.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADS784x family of high-speed, low-power ADCs from Texas Instruments. It shares architectural similarities with the ADS7841 but offers double the channel count. The family is designed for portable electronics and instrumentation where space and power efficiency are critical constraints.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS7844N is a pin-compatible alternative within the same product family. Verify that the specific electrical characteristics and packaging options of the substitute meet the original design requirements.