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MAX120EWG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX120EWG+

Manufacturer: MAXIM, MAXIM/DALLAS

500ksps, Sampling, 12-Bit ADC with Track/Hold and Reference

Partnumber Manufacturer Quantity Availability
MAX120EWG+,MAX120EWG MAXIM, MAXIM/DALLAS 134 In Stock

Description and Introduction

500ksps, Sampling, 12-Bit ADC with Track/Hold and Reference The MAX120EWG+ is a 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12 bits  
- **Sampling Rate:** Up to 500 kSPS  
- **Input Voltage Range:** 0V to VREF (programmable)  
- **Reference Voltage:** Internal or external (2.5V default)  
- **Supply Voltage:** +5V ±10%  
- **Power Consumption:** 60mW (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin SOIC (Wide)  

### **Descriptions:**
The MAX120EWG+ is a high-speed, low-power, 12-bit ADC designed for precision data acquisition applications. It features a successive approximation register (SAR) architecture and includes an internal track-and-hold circuit for accurate signal conversion. The device supports both unipolar and bipolar input ranges and can operate with an internal or external reference voltage.

### **Features:**
- **High-Speed Conversion:** 500 kSPS throughput  
- **Low Power Consumption:** 60mW typical  
- **Flexible Input Range:** Unipolar (0V to VREF) or bipolar (±VREF/2)  
- **On-Chip Reference:** 2.5V internal reference (adjustable)  
- **Parallel Interface:** Easy interfacing with microprocessors  
- **Internal Track-and-Hold:** Eliminates the need for an external sample-and-hold circuit  
- **Wide Operating Temperature Range:** -40°C to +85°C  

This ADC is suitable for applications such as industrial control, medical instrumentation, and high-speed data acquisition systems.

Application Scenarios & Design Considerations

500ksps, Sampling, 12-Bit ADC with Track/Hold and Reference

Alternative Part Number

  • AD1674JNZ --: Pin-compatible 12-bit successive-approximation ADC with similar sampling rate and parallel interface, widely used as a direct substitute for the MAX120 in many designs.
  • ADS7804PB --: 12-bit 100 kSPS sampling ADC with a similar parallel output interface and comparable accuracy, suitable as a functional replacement with minor board adjustments.
  • LTC1278CN --: 12-bit sampling ADC offering comparable resolution and speed in a similar package, usable as an alternative when the MAX120 is unavailable.
  • ADS7805U --: 12-bit 100 kSPS ADC with parallel output and comparable analog input range, suitable replacement when board layout allows a different package.

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