ISL267450AIHZ-T

Analog To Digital Converters (ADC) Overview

The ISL267450AIHZ-T is a 12-bit, 1MSPS Successive Approximation Register (SAR) Analog-to-Digital Converter manufactured by Renesas Electronics. It features a single differential input channel and an SPI-compatible serial digital interface. The device operates on dual power supplies ranging from 2.7V to 5.25V for both analog and digital domains. Key performance metrics include a Differential Nonlinearity (DNL) of 0.95 LSB, Integral Nonlinearity (INL) of 1 LSB, and a gain error of 2 LSB. Power consumption is specified at 8.5mW during operation at 1MSPS. The component is housed in an SOT-23-8 surface-mount package and is rated for industrial operating temperatures between -40°C and +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Features a robust, fully-differential input structure with high impedance to minimize leakage current errors.
• Maintains specified measurement accuracy with input signals extending up to the supply rails.
• Supports external reference inputs ranging from 0.1V to 2.2V for 3V systems and 0.1V to 3.5V for 5V systems.
• Includes Auto Power-Down mode to reduce power dissipation to 5µW between conversions.

Analog To Digital Converters (ADC) Applications

• Remote Data Acquisition Systems
• Battery Operated Instruments
• Industrial Process Control

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to End-of-Life status. Confirm RoHS compliance and specific tape-and-reel packaging specifications prior to ordering. Ensure compatibility with existing PCB footprints for the SOT-23-8 package. Review latest Product Change Notifications for any manufacturing updates.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring 12-bit resolution at 1MSPS sampling rates within a compact SOT-23-8 footprint. It serves as a drop-in replacement for AD7450A devices. Consider the external reference requirement and voltage range constraints when designing the power supply and signal conditioning stages.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ISL2674xxA series of SAR ADCs, which also includes the 10-bit ISL267440 variant. Both share identical pinouts and functional characteristics regarding speed and interface, differing primarily in resolution. The series is designed for low-power, medium-speed data acquisition tasks in industrial environments.

Analog To Digital Converters (ADC) Replacement Considerations

The ISL267450AIHZ-T is listed as End-of-Life. Potential replacements include the ISL267450AIUZ in MSOP-8 packaging or other compatible 12-bit SAR ADCs from the manufacturer's portfolio. Verify pinout compatibility and electrical parameter equivalence before substitution.

Analog To Digital Converters (ADC) FAQ

Is the ISL267450AIHZ-T compatible with standard SPI interfaces?

Yes, the device features a serial digital interface that is SPI compatible, allowing easy interfacing with popular FPGAs and microcontrollers.

What is the ESD protection rating of this component?

The ISL267450A offers up to 8kV Human Body Model ESD survivability.

Can the input signals reach the supply rails while maintaining accuracy?

Yes, the specified measurement accuracy is maintained with input signals up to the supply rails.