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HI7191IB from HAR

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HI7191IB

Manufacturer: HAR, HARRIS, INTERSIL

24-Bit, High Precision, Sigma Delta A/D Converter

Partnumber Manufacturer Quantity Availability
HI7191IB HAR, HARRIS, INTERSIL 82 In Stock

Description and Introduction

24-Bit, High Precision, Sigma Delta A/D Converter The HI7191IB is a precision analog-to-digital converter (ADC) manufactured by **Harris Semiconductor** (now part of **Renesas Electronics**).  

### **Key Specifications:**  
- **Resolution:** 24-bit  
- **Input Type:** Differential  
- **Sampling Rate:** Up to 15 samples per second (SPS)  
- **Interface:** Serial (SPI-compatible)  
- **Supply Voltage:** ±5V (dual supply)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin DIP (Dual In-line Package)  

### **Applications:**  
- Precision measurement systems  
- Industrial instrumentation  
- Medical equipment  
- Data acquisition systems  

For exact datasheet details, refer to the official **Harris Semiconductor** (or **Renesas**) documentation.

Application Scenarios & Design Considerations

24-Bit, High Precision, Sigma Delta A/D Converter

Alternative Part Number

  • AD7191BRUZ --: Pin-compatible 24-bit sigma-delta ADC with similar integrated PGA and SPI interface, widely available and functionally equivalent.
  • ADS1256IDB --: 24-bit delta-sigma ADC with comparable resolution and low-noise performance, suitable replacement in precision measurement designs.
  • CS5532-ASZ --: Low-noise 24-bit delta-sigma ADC with programmable gain, offering similar functionality for weigh-scale and sensor applications.
  • AD7190BRUZ --: Pin-compatible 24-bit sigma-delta ADC with similar resolution and functionality, widely available and well documented.

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