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HI7131CM44 from HARRIS,Intersil

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HI7131CM44

Manufacturer: HARRIS, INTERSIL

3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters

Partnumber Manufacturer Quantity Availability
HI7131CM44 HARRIS, INTERSIL 323 In Stock

Description and Introduction

3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters The **HI7131CM44** from Intersil is a high-performance, low-power analog-to-digital converter (ADC) designed for precision measurement applications. This 24-bit sigma-delta ADC integrates advanced signal conditioning features, making it well-suited for industrial, medical, and instrumentation systems where accuracy and stability are critical.  

With a differential input and programmable gain amplifier (PGA), the HI7131CM44 ensures high-resolution signal acquisition while minimizing noise. Its low-power operation makes it ideal for battery-powered devices, and its flexible digital interface allows seamless integration with microcontrollers or DSPs.  

Key features include a built-in voltage reference, temperature sensor, and configurable output data rates, enabling designers to optimize performance for specific use cases. The device operates over a wide supply voltage range and maintains excellent linearity and drift characteristics, ensuring reliable measurements in demanding environments.  

Engineers often leverage the HI7131CM44 in applications such as weigh scales, strain gauges, and portable medical equipment, where precise analog signal conversion is essential. Its robust design and integration capabilities simplify system development while delivering industry-leading performance.  

For designers seeking a high-accuracy ADC with low noise and power efficiency, the HI7131CM44 presents a compelling solution for precision measurement challenges.

Application Scenarios & Design Considerations

3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters

Alternative Part Number

  • ICL7136CPL --: Pin-compatible 3.5-digit ADC with similar display drive, widely available and a common drop-in for the 7131 family.
  • TC7136CPL --: Equivalent 3.5-digit A/D converter with comparable accuracy and pinout, good second-source option.
  • ICL7135CPI --: 4.5-digit ADC in the same 713x family; usable if higher resolution is acceptable, though pinout differs slightly.
  • MAX130CPL --: 3.5-digit ADC with comparable resolution and display-drive capability, usable as an alternative with minor circuit adjustments.

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