ADS7862YB/250

Analog To Digital Converters (ADC) Overview

The ADS7862YB/250 is a dual 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features four differential input channels and supports a sampling rate of 500 kS/s. The device operates on a single 5V supply, with both analog and digital power voltages ranging from 4.75 V to 5.25 V. It utilizes a parallel interface for data output and includes an internal reference. Key performance metrics include a signal-to-noise ratio of 70 dB, differential nonlinearity of +/- 1 LSB, and integral nonlinearity of +/- 1 LSB. The component is housed in a 32-TQFP package and functions within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Simultaneous sampling architecture enables concurrent conversion across two independent ADC cores.
• Integrated internal voltage reference reduces external component count and board space.
• Differential input configuration improves noise immunity and dynamic performance.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring multi-channel data acquisition
• Medical instrumentation such as portable diagnostic devices
• Data acquisition modules for test and measurement equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix /250 indicates the tape and reel packaging format when sourcing components. Confirm that the order matches the 32-TQFP physical footprint and pinout requirements for the target PCB design. Ensure compatibility with the required 5V logic levels for the parallel interface connections.

Analog To Digital Converters (ADC) Selection Notes

Select this component when simultaneous sampling of multiple signals is critical for phase accuracy. Compare against the ADS7864 if additional channel count is needed, or the ADS7852 for single-ended inputs. Verify that the 500 kS/s throughput meets the system bandwidth requirements without excessive oversampling.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7862 family of high-speed, low-power ADCs. It shares architectural similarities with the ADS7864 but offers fewer channels. The device is designed for applications demanding high accuracy and speed in a compact surface-mount package.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS7862YB/250G4 is a lead-free variant of the same functional device. Check datasheet revisions for any pinout or electrical parameter changes before substitution.

Analog To Digital Converters (ADC) FAQ

What is the maximum sampling rate per channel?

The device supports a total sampling rate of 500 kS/s, shared between the two simultaneous SAR converters.

Can the internal reference be bypassed?

Yes, the device allows for the use of an external reference if higher precision or different voltage levels are required.

What is the input type configuration?

The ADS7862YB/250 accepts differential inputs, which helps reject common-mode noise in noisy environments.