ISL267440IHZ-T

Analog To Digital Converters (ADC) Overview

The ISL267440IHZ-T is a 10-bit, 1MSPS sampling SAR-type Analog-to-Digital Converter (ADC) manufactured by Renesas Electronics Corporation. It features a robust, fully-differential input with high impedance to minimize leakage current errors and maintains specified measurement accuracy with input signals up to the supply rails. The device supports an external reference voltage range of 0.1V to 2.2V for 3V operation and 0.1V to 3.5V for 5V operation. It offers up to 8kV Human Body Model ESD survivability and utilizes an SPI-compatible serial digital interface. Power dissipation is 8.5mW at 1MSPS and 5µW in Auto Power-Down mode with a 5V supply. It operates within the industrial temperature range of –40 °C to +85 °C.

Analog To Digital Converters (ADC) Feature Summary

• Fully-differential input architecture providing high impedance to reduce leakage current errors
• SPI-compatible serial digital interface for easy integration with FPGAs and microcontrollers
• High ESD protection rating of up to 8kV Human Body Model
• Flexible external reference voltage acceptance supporting both 3V and 5V system operations

Analog To Digital Converters (ADC) Applications

• Remote industrial sensors
• Battery-powered instruments

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot traceability and RoHS compliance status prior to procurement. Ensure storage conditions adhere to moisture sensitivity level requirements to prevent package damage during soldering processes.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 10-bit resolution and 1MSPS sampling rate are required for differential signal acquisition. Consider the fully-differential input topology for applications demanding high common-mode rejection and noise immunity. Evaluate power consumption constraints, noting the low standby current in auto power-down mode for battery-operated designs.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ISL267440/ISL267450A family of SAR ADCs. It serves as a drop-in compatible replacement for the AD7440. The series is designed for applications requiring excellent linearity over supply and temperature variations, offering a balance between performance and power efficiency in compact packages.

Analog To Digital Converters (ADC) Replacement Considerations

The ISL267440IHZ-T is documented as drop-in compatible with the AD7440. Verify pinout and electrical specifications against the target legacy component datasheet before substitution.