Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down The **MAX191ACWG+** 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:** 60mW (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 24-pin SOIC (Wide)  

### **Features:**  
- **Low Power:** 60mW (typical)  
- **Internal Track/Hold:** Eliminates external circuitry  
- **Software-Configurable Inputs:** Single-ended or differential  
- **5V or ±5V Bipolar Input Range:** Flexible for various applications  
- **SPI-Compatible Serial Interface:** Easy microcontroller interfacing  
- **Internal 4.096V Reference:** Reduces external components  

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

This ADC is designed for precision measurement applications requiring multiple input channels and low power consumption.

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