ADS8507IDWR

Analog To Digital Converters (ADC) Overview

The ADS8507IDWR is a 16-bit, single-channel successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Texas Instruments. It operates with a maximum sampling rate of 40 kSPS and accepts single-ended input signals. The device supports both parallel and SPI digital interfaces for data output. It functions within an analog and digital supply voltage range of 4.75 V to 5.25 V. Key performance metrics include a signal-to-noise ratio (SNR) of 87 dB and a signal-to-noise and distortion ratio (SINAD) of 89.9 dB. Differential nonlinearity (DNL) is specified at -2/3 LSB, while integral nonlinearity (INL) is +/- 3 LSB. The component is housed in a 28-pin SOIC package and operates across a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrated internal oscillator eliminates the need for external clock generation circuitry.
• Supports daisy-chainable operation for simplified multi-channel system expansion.
• Offers flexible reference options with support for both external and internal voltage references.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring high-resolution data acquisition
• Medical instrumentation and diagnostic equipment
• Data acquisition modules for test and measurement instruments

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'IDWR' corresponds to the tape-and-reel packaging variant rather than the tube-packaged 'IDW'. Confirm that the ordering part number matches the required package type and moisture sensitivity level for your assembly line. Ensure compatibility with the intended PCB footprint for the 28-pin SOIC package.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 16-bit resolution and 40 kSPS throughput are sufficient for the application. Consider the ADS8505 or ADS8508 if higher sampling rates or different resolutions are required. Evaluate the interface requirements carefully, as this device supports both parallel and serial connections, which may influence PCB layout complexity.

Analog To Digital Converters (ADC) Part Context

The ADS8507 belongs to the ADS8505 family of 16-bit SAR ADCs from Texas Instruments. This family shares similar architectural features but varies in sampling speed and pin count. The ADS8507 specifically targets applications needing moderate speed with high accuracy, bridging the gap between lower-speed precision ADCs and faster, lower-resolution devices.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8507IDW is the tube-packaged equivalent of the same functional device. For direct pin-compatible replacements with identical specifications, consider the ADS8505 series variants, though sampling rates differ. Verify datasheet updates for any pinout changes before substitution.