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MAX194BEWE+ from MAXIM/DALLAS,MAXIM - Dallas Semiconductor

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MAX194BEWE+

Manufacturer: MAXIM/DALLAS, MAXIM

14-Bit, 85ksps ADC with 10µA Shutdown

Partnumber Manufacturer Quantity Availability
MAX194BEWE+,MAX194BEWE MAXIM/DALLAS, MAXIM 20 In Stock

Description and Introduction

14-Bit, 85ksps ADC with 10µA Shutdown The **MAX194BEWE+** is a 12-bit analog-to-digital converter (ADC) manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Sampling Rate:** 133 kSPS (kilo-samples per second)  
- **Input Channels:** 1 (single-ended)  
- **Input Voltage Range:** 0V to VREF (externally set reference)  
- **Reference Voltage:** External (2.5V to VDD)  
- **Supply Voltage (VDD):** +5V ±10%  
- **Power Consumption:** 7.5mW (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin Wide SOIC (SO-16)  

### **Descriptions:**
- The MAX194BEWE+ is a **successive-approximation ADC** with an internal track/hold circuit.  
- It features a **serial interface** for easy connection to microcontrollers or DSPs.  
- Designed for **low-power** applications, making it suitable for battery-powered systems.  
- Includes a **power-down mode** for reduced power consumption when idle.  

### **Features:**
- **High Accuracy:** ±1 LSB INL (integral nonlinearity) and DNL (differential nonlinearity).  
- **Low Power:** Operates at 7.5mW (typical) at full speed.  
- **Flexible Reference:** Supports external reference voltage (2.5V to VDD).  
- **Serial Interface:** SPI/QSPI/MICROWIRE-compatible for easy interfacing.  
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **Power-Down Mode:** Reduces power consumption to 10µW (typical).  

The MAX194BEWE+ is commonly used in **data acquisition systems, industrial controls, and portable instrumentation** due to its precision and low-power operation.  

*(Source: Maxim Integrated datasheet)*

Application Scenarios & Design Considerations

14-Bit, 85ksps ADC with 10µA Shutdown

Alternative Part Number

  • AD7671ASTZ --: 16-bit successive-approximation ADC with similar speed and parallel interface, suitable replacement in precision data acquisition designs.
  • LTC1605CSW --: 16-bit SAR ADC offering comparable resolution and sampling performance with a similar parallel output interface.
  • ADS7805U --: 16-bit sampling ADC with parallel interface and comparable throughput, commonly used as a drop-in alternative in industrial systems.

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