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MAX191BCWG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX191BCWG+

Manufacturer: MAXIM, MAXIM/DALLAS

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down

Partnumber Manufacturer Quantity Availability
MAX191BCWG+,MAX191BCWG MAXIM, MAXIM/DALLAS 610 In Stock

Description and Introduction

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down The MAX191BCWG+ is a 12-bit, 8-channel, serial-output analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Sampling Rate:** 133ksps (kilosamples per second)  
- **Interface:** Serial (SPI/QSPI/MICROWIRE compatible)  
- **Supply Voltage:** +5V  
- **Power Consumption:** 10mW (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 24-pin SOIC (Wide)  

### **Features:**  
- **True Differential Inputs** for improved noise rejection  
- **Internal Track/Hold** (T/H) with 1.5µs acquisition time  
- **Low Power:** 2mA operating current, 1µA shutdown mode  
- **Software-Configurable Inputs:** Single-ended or differential  
- **Internal 4.096V Reference** (2.5V reference also available)  
- **Small Footprint:** Suitable for space-constrained applications  

### **Applications:**  
- Data acquisition systems  
- Industrial process control  
- Medical instrumentation  
- Battery-powered systems  

This ADC is designed for precision measurement with low power consumption and flexible input configurations.  

*(Source: Maxim Integrated datasheet for MAX191BCWG+.)*

Application Scenarios & Design Considerations

Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down

Alternative Part Number

  • AD7714ARZ --: Pin-compatible 24-bit sigma-delta ADC with similar serial interface and performance, widely used as a drop-in alternative to the MAX191.
  • LTC2400CS8 --: 24-bit no-latency delta-sigma ADC offering comparable resolution and accuracy for precision measurement applications.
  • ADS1256IDB --: High-resolution 24-bit ADC with similar functionality and SPI interface, suitable replacement when the MAX191 is unavailable.
  • ADS1240E --: 24-bit delta-sigma ADC with similar resolution and SPI interface, a cost-effective alternative for low-speed precision conversion applications.

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