HI7191IB

Analog To Digital Converters (ADC) Overview

The HI7191IB is a 24-bit high-precision Sigma-Delta Analog-to-Digital Converter (ADC) manufactured by Renesas Electronics Corporation. It features a single analog input channel with a maximum analog input voltage of 5 V and a minimum of -5 V. The device operates within a temperature range of -40°C to 85°C. It is available in PDIP20 and SOIC20 packages, with a maximum linear error of 0.003%. The component is RoHS compliant and classified under ECCN code EAR99.

Analog To Digital Converters (ADC) Feature Summary

• High-resolution 24-bit data conversion capability using Sigma-Delta modulation architecture.
• Wide dual-polar power supply support accommodating ±5 V analog input ranges.
• Industrial-grade operational stability across extended temperature environments.

Analog To Digital Converters (ADC) Applications

• Precision industrial sensor signal conditioning
• High-resolution weighing systems
• Medical instrumentation requiring low-noise acquisition

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'IB' against official Renesas documentation to confirm exact package type and temperature grade. Ensure compatibility with existing board layouts for PDIP or SOIC footprints. Confirm lead-free status aligns with current environmental regulations before procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when 24-bit resolution and high precision are critical for measurement accuracy. Consider the ±5 V input range requirements for signal interfacing. Evaluate thermal management needs for operation within the specified -40°C to 85°C range.

Analog To Digital Converters (ADC) Part Context

This part belongs to the HI7191 series of high-precision ADCs from Renesas. It serves as a specialized solution for applications demanding high linearity and low noise, distinct from general-purpose converters. The series supports various packaging options to fit different form factors.

Analog To Digital Converters (ADC) Replacement Considerations

Check for direct pin-compatible alternatives within the Renesas portfolio. Verify if other manufacturers offer equivalent 24-bit Sigma-Delta ADCs with matching input voltage ranges and package dimensions.

Analog To Digital Converters (ADC) FAQ

What is the maximum linear error of the HI7191IB?

The maximum linear error is specified as 0.003%.

Does the HI7191IB support differential inputs?

The provided specifications indicate it has one analog input channel, but differential configuration details require verification in the full datasheet.

Is the HI7191IB RoHS compliant?

Yes, the component is confirmed to be RoHS compliant.