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MAX191BEWG from MAXIM,MAXIM - Dallas Semiconductor

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MAX191BEWG

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX191BEWG MAXIM 51 In Stock

Description and Introduction

Low-Power / 12-Bit Sampling ADC with Internal Reference and Power-Down The MAX191BEWG 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 (unipolar) or ±VREF/2 (bipolar)  
- **Reference Voltage:** Internal (4.096V) or external (2V to VDD)  
- **Supply Voltage (VDD):** +5V ±10%  
- **Power Consumption:** 5mW (typical)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible serial  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin Wide SOIC  

### **Descriptions:**
The MAX191BEWG 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 4.096V Reference:** Eliminates the need for an external reference.  
- **Low Power:** 5mW typical power consumption.  
- **Flexible Power Modes:** Includes shutdown mode for reduced power usage.  
- **Serial Interface:** Compatible with SPI, QSPI, and MICROWIRE protocols.  
- **On-Chip Track/Hold:** No external hold capacitor required.  
- **Software-Configurable Unipolar/Bipolar Inputs:** Supports both unipolar (0V to VREF) and bipolar (±VREF/2) operation.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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