ADCS7478AIMF/NOPB

Analog To Digital Converters (ADC) Overview

The ADCS7478AIMF/NOPB is a single-channel, 8-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It supports a sampling rate of 1 Msps and operates on a supply voltage range of 2.7V to 5.25V for both analog and digital sections. The device features an external reference type and utilizes a serial interface compatible with standard SPI protocols. It is housed in a 6-pin SOT-23 package and is rated for an operating temperature range of -40°C to 125°C.

Analog To Digital Converters (ADC) Feature Summary

• Single-ended input architecture with SAR conversion method
• Wide dual supply voltage compatibility from 2.7V to 5.25V
• Automotive-grade reliability with extended temperature rating

Analog To Digital Converters (ADC) Applications

• Automotive sensor signal conditioning
• Industrial data acquisition systems
• Battery management system monitoring

Analog To Digital Converters (ADC) Procurement Notes

Verify the component origin carefully, as National Semiconductor was acquired by Texas Instruments. Ensure the ordering suffix matches the specific package and temperature grade requirements. Confirm that the datasheet specifications align with your system's voltage and interface constraints before procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when an 8-bit resolution at 1 Msps is sufficient for the application. Consider the SOT-23 package size for space-constrained designs. Verify that the external reference requirement fits the system architecture, as internal references are not available in this specific part number.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADCS74xx family of low-power, high-speed ADCs. It shares architectural similarities with the ADCS7477 but offers lower resolution. The NOPB suffix indicates lead-free manufacturing compliant with RoHS standards. It is designed for applications requiring moderate speed and precision in compact form factors.

Analog To Digital Converters (ADC) Replacement Considerations

The AD7478AARMZ is a functional equivalent from Analog Devices, though it uses an MSOP-8 package and has different electrical characteristics. Direct pin-to-pin replacement is not guaranteed due to package differences. Verify all electrical parameters against the new component's datasheet before substitution.