ADS774JPG4

Analog To Digital Converters (ADC) Overview

The ADS774JPG4 is a 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Texas Instruments. It features a sampling rate of 125 kS/s and utilizes a single-ended input configuration with a parallel data interface. The device operates on analog and digital supply voltages ranging from 4.5 V to 5.5 V. Key performance metrics include a signal-to-noise ratio of 72 dB, a signal-to-noise and distortion ratio of 68 dB, and an integral nonlinearity of +/- 0.5 LSB. It supports both internal and external reference types and dissipates approximately 75 mW to 120 mW of power. The component is housed in a 28-pin PDIP package.

Analog To Digital Converters (ADC) Feature Summary

• Implements a capacitor array DAC structure within a low-power CMOS process for efficient successive approximation conversion.
• Provides microprocessor-compatible parallel data output for direct interfacing with standard logic systems.
• Includes an internal voltage reference option alongside support for external reference inputs to ensure measurement accuracy.

Analog To Digital Converters (ADC) Applications

• Precision data acquisition systems requiring high-resolution analog signal digitization
• Industrial process control applications involving sensor signal conditioning
• Test and measurement equipment utilizing parallel interface architectures

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix and package type against the official datasheet to ensure compatibility with existing PCB footprints. Confirm that the parallel interface requirements match the target microcontroller or FPGA capabilities. Check for moisture sensitivity labeling if storage conditions are critical. Ensure the operating temperature range aligns with the intended environmental constraints of the final assembly.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution and 125 kS/s throughput are sufficient for the application. Consider the parallel interface overhead if pin count is limited. Evaluate the need for an internal versus external reference based on system noise requirements. Compare power consumption specifications against available thermal management solutions in the design.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS774 series of microprocessor-compatible ADCs. It shares architectural similarities with other members like the ADS774KU/1K but differs in packaging and specific ordering suffixes. The series is designed for applications demanding moderate speed and high accuracy without complex serial communication protocols.

Analog To Digital Converters (ADC) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult the manufacturer's official replacement guide or contact technical support for qualified alternatives.