DDC264CKZAWR

Analog To Digital Converters (ADC) Overview

The DDC264CKZAWR is a high-speed, low-noise charge-domain analog-to-digital converter (ADC) manufactured by Texas Instruments. It integrates two fully differential input channels with programmable gain amplifiers and precision current-mode DACs for offset cancellation. The device utilizes a delta-sigma architecture to achieve high resolution and dynamic performance. Key electrical parameters include a 16-bit effective resolution, a maximum sampling rate of 500 kSPS per channel, and an integrated reference voltage. It operates from a single 5 V supply and features a serial interface for configuration and data readout.

Analog To Digital Converters (ADC) Feature Summary

• Integrates dual-channel signal conditioning with programmable gain amplifiers and offset cancellation capabilities.
• Utilizes a delta-sigma modulation architecture to provide high-resolution digital output with low noise.
• Includes on-chip precision current-mode DACs for precise input biasing and offset nulling.
• Features a flexible serial interface compatible with standard microcontroller or DSP connections.

Analog To Digital Converters (ADC) Applications

• Precision industrial process control instrumentation
• Medical diagnostic equipment requiring high accuracy
• Seismic data acquisition systems
• High-resolution sensor interfaces

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix CKZAWR against the manufacturer's official datasheet to confirm package type, temperature range, and tape-and-reel specifications. Ensure compatibility with existing board layouts regarding pin assignments and power requirements before procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when dual-channel, high-precision digitization is required without external multiplexers. Consider the integrated offset cancellation feature if system calibration complexity needs reduction. Evaluate the 500 kSPS speed against application bandwidth needs to ensure optimal power consumption.

Analog To Digital Converters (ADC) Part Context

This part belongs to Texas Instruments' DDC (Digitizing Data Converter) family, designed specifically for replacing traditional ADCs in high-performance measurement applications. It combines analog front-end functions with digital conversion to simplify system design and improve overall signal integrity in demanding environments.

Analog To Digital Converters (ADC) Replacement Considerations

Consult the TI DDC family cross-reference guide for direct pin-compatible alternatives. Verify that any substitute maintains the same 16-bit resolution and 500 kSPS sampling capability. Check for differences in serial protocol compatibility if interfacing with existing firmware.

Analog To Digital Converters (ADC) FAQ

What is the maximum sampling rate per channel?

The DDC264 supports a maximum sampling rate of 500 kSPS per channel.

Does the device include an internal voltage reference?

Yes, the DDC264 integrates a precision internal voltage reference to reduce external component count.

How is offset cancellation achieved?

Offset cancellation is performed using on-chip precision current-mode DACs that inject compensating currents into the input path.