ADS774KP

Analog To Digital Converters (ADC) Overview

The ADS774KP is a 12-bit successive approximation analog-to-digital converter (ADC) from Texas Instruments, housed in a 28-pin PDIP package. It features a single-ended input type and operates with a sampling rate of 125 kS/s. The device utilizes a parallel interface for data transfer and includes an internal reference. Power supply requirements are 4.5 V to 5.5 V for both analog and digital domains. Key performance metrics include a signal-to-noise ratio of 72 dB and a signal-to-noise and distortion ratio of 68 dB. Integral nonlinearity is specified at +/- 0.5 LSB. The component supports an operating temperature range from -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates an internal voltage reference to simplify circuit design.
• Employs a capacitor array DAC structure for low-power operation.
• Provides microprocessor-compatible parallel data output.
• Supports single-ended analog input signals.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems
• Data acquisition modules
• Microprocessor-based measurement instruments

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix and package variant against the official datasheet before procurement. Confirm that the 28-PDIP form factor matches the target PCB layout. Check for end-of-life status or obsolescence notices from the manufacturer. Ensure compatibility with the required 4.5 V to 5.5 V power supply rails. Validate thermal management capabilities for the intended operating environment.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution and 125 kSps throughput are sufficient for the application. Consider the parallel interface requirement for system integration. Evaluate the need for an internal reference versus external precision references. Assess the power consumption constraints relative to the 75 mW typical dissipation. Compare physical package dimensions against available board space.

Analog To Digital Converters (ADC) Part Context

The ADS774 series comprises 12-bit ADCs designed for microprocessor-compatible applications. The ADS774KP specifically denotes the PDIP package variant within this family. It shares architectural similarities with other ADS774 models but differs in pinout and packaging. This part is positioned for general-purpose analog-to-digital conversion tasks requiring moderate speed and accuracy.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers for the ADS774KP are not available in the provided documentation. Users should consult the manufacturer's official cross-reference tools for potential alternatives. Verify functional equivalence regarding interface, resolution, and package dimensions if considering substitutes.

Analog To Digital Converters (ADC) FAQ

What is the integral nonlinearity specification for the ADS774KP?

The integral nonlinearity (INL) is specified at +/- 0.5 LSB.

Does the ADS774KP include an internal voltage reference?

Yes, the device features an integrated internal voltage reference.

What is the maximum sampling rate of this ADC?

The maximum sampling rate is 125 kS/s.