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MAX191BCWG from TOS,TOSHIBA

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MAX191BCWG

Manufacturer: TOS, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX191BCWG TOS, MAXIM 15 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. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Channels:** 8 single-ended or 4 pseudo-differential  
- **Conversion Time:** 10µs (max)  
- **Sampling Rate:** 100ksps  
- **Input Voltage Range:** 0V to VREF (single-ended), ±VREF (pseudo-differential)  
- **Reference Voltage:** Internal 4.096V or external (2V to VDD)  
- **Supply Voltage (VDD):** +4.75V to +5.25V  
- **Power Consumption:** 10mW (typical)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 24-pin SOIC (BCWG)  

### **Descriptions:**
The MAX191BCWG is a low-power, high-speed, multichannel ADC with an internal track/hold, voltage reference, and serial interface. It is designed for applications requiring precise analog-to-digital conversion with minimal external components.  

### **Features:**
- **8-Channel Multiplexer:** Supports single-ended or pseudo-differential inputs.  
- **Internal Reference:** 4.096V with ±1% accuracy.  
- **Low Power:** 2mA operating current (typical).  
- **No External Components Required:** Includes track/hold and reference.  
- **Serial Interface:** Compatible with SPI, QSPI, and MICROWIRE.  
- **Software-Configurable:** Unipolar or bipolar input modes.  
- **Shutdown Mode:** Reduces power consumption to 10µA (max).  

For detailed electrical characteristics and application notes, refer to the official Maxim Integrated datasheet.

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 class, widely available from a different vendor.
  • LTC2400CS8 --: High-resolution 24-bit delta-sigma ADC offering comparable accuracy and low noise, suitable as a functional substitute.
  • CS5524-ASZ --: Multi-channel 24-bit delta-sigma ADC with similar resolution and interface, usable as an alternative signal-conversion solution.
  • AD7714ANZ --: Pin-compatible 24-bit sigma-delta ADC with similar serial interface and performance class, widely available from a different vendor.
  • ADS1211U --: 24-bit delta-sigma ADC with similar resolution and serial output, providing a third-source option with distinct part numbering.

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