ADS7808UB

Analog To Digital Converters (ADC) Overview

The ADS7808UB is a single-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates within an analog and digital supply voltage range of 4.75 V to 5.25 V. The device features a serial interface and supports sampling rates up to 100 kS/s with a conversion time of 10 µs. Key performance metrics include a signal-to-noise ratio (SNR) of 73 dB, differential nonlinearity (DNL) of ±0.45 LSB, and integral nonlinearity (INL) of ±0.45 LSB. It consumes 81.5 mW of power and functions reliably across a temperature range of -40°C to +85°C. The component is housed in a 20-lead SOIC package.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed 12-bit SAR ADC architecture for efficient data conversion.
• Supports flexible reference configurations with both external and internal options.
• Utilizes a standard serial interface for simplified system connectivity.
• Designed for low-power operation suitable for battery-driven applications.

Analog To Digital Converters (ADC) Applications

• Portable instrumentation systems requiring high resolution and low power consumption.
• Industrial process control loops utilizing single-ended input signals.
• Data acquisition modules for environmental monitoring and sensor interfacing.

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and temperature grade. Confirm that the SOIC-20 package variant matches the intended PCB footprint requirements. Cross-reference the RoHS compliance status with current regulatory standards before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, 12-bit resolution is sufficient for the application. Ensure the system requires a 5V supply rail compatible with the specified voltage range. Consider the serial interface timing constraints if the host microcontroller operates at limited clock speeds. Verify that the 100 kS/s sampling rate meets the bandwidth requirements of the input signal source.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7808 series of precision analog-to-digital converters. It serves as a specialized solution for applications needing moderate resolution with fast conversion times. The series is designed to bridge the gap between lower-resolution parallel ADCs and higher-speed pipeline converters, offering a balance of accuracy and simplicity for general-purpose data acquisition tasks.

Analog To Digital Converters (ADC) Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same family. Verify electrical parameter compatibility, including supply voltage ranges and sampling rates, before substituting with other manufacturers' components.