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HI7190IB from INTERSIL

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HI7190IB

Manufacturer: INTERSIL

null24-Bit, High Precision, Sigma Delta A/D Converter

Partnumber Manufacturer Quantity Availability
HI7190IB INTERSIL 6 In Stock

Description and Introduction

null24-Bit, High Precision, Sigma Delta A/D Converter The part **HI7190IB** is manufactured by **INTERSIL**. It is a **20-bit, low noise, programmable gain analog-to-digital converter (ADC)**. Key specifications include:  

- **Resolution**: 20 bits  
- **Input Channels**: 1 differential or 2 single-ended  
- **Sampling Rate**: Up to **1.22 kSPS**  
- **Programmable Gain Amplifier (PGA)**: Gains from **1 to 128**  
- **Input Voltage Range**: ±10V (with external reference)  
- **Noise Performance**: **2.5 µV RMS** at gain = 128  
- **Interface**: Serial (SPI-compatible)  
- **Power Supply**: **±5V** (analog), **+5V** (digital)  
- **Operating Temperature Range**: **-40°C to +85°C**  
- **Package**: **28-lead PDIP**  

The HI7190IB is designed for high-precision applications such as industrial instrumentation and data acquisition systems.

Application Scenarios & Design Considerations

null24-Bit, High Precision, Sigma Delta A/D Converter

Alternative Part Number

  • AD7710ARZ --: Pin-compatible 24-bit sigma-delta ADC with similar programmable gain and serial interface, widely available and a common drop-in replacement for the HI7190.
  • CS5532-ASZ --: 24-bit low-noise sigma-delta ADC with programmable gain amplifier and SPI interface, functionally comparable to the HI7190 in precision measurement applications.
  • ADS1256IDBR --: 24-bit delta-sigma ADC with similar resolution and serial interface; requires minor pin/register adaptation but offers comparable performance and good availability.

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