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MAX122ACNG+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX122ACNG+

Manufacturer: MAXIM, MAXIM/DALLAS

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

Partnumber Manufacturer Quantity Availability
MAX122ACNG+,MAX122ACNG MAXIM, MAXIM/DALLAS 128 In Stock

Description and Introduction

500ksps, Sampling, 12-Bit ADC with Track/Hold and Reference The MAX122ACNG+ 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 based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Resolution:** 12-bit  
- **Sampling Rate:** Up to 500 kSPS (kilo samples per second)  
- **Input Channels:** 8 single-ended or 4 differential  
- **Input Voltage Range:** ±10V (bipolar), 0V to +10V (unipolar)  
- **Interface:** Parallel  
- **Power Supply:** ±5V  
- **Operating Temperature Range:** 0°C to +70°C (Commercial grade)  
- **Package:** 24-pin PDIP (Plastic Dual In-line Package)  

### **Descriptions:**  
- The MAX122ACNG+ is a high-speed, low-power, 12-bit ADC with an internal track/hold circuit.  
- It supports both unipolar and bipolar input ranges, making it versatile for various applications.  
- The parallel interface allows for easy integration with microprocessors and DSPs.  

### **Features:**  
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **Low Power Consumption:** Typically 100mW.  
- **Wide Input Range:** Supports ±10V and 0V to +10V operation.  
- **No Missing Codes:** Ensures accurate conversion across the full temperature range.  
- **Fast Conversion Time:** 2.5µs (microseconds).  

This ADC is commonly used in industrial control systems, data acquisition, and instrumentation applications.  

(Note: Always refer to the official datasheet for the most accurate and updated information.)

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AD7870KN --: 12-bit successive-approximation ADC with similar sampling rate and parallel interface, pin-compatible in many designs and widely available.
  • LTC1272CN --: 12-bit 250ksps ADC with comparable architecture and parallel output, suitable drop-in replacement for many MAX122 applications.
  • ADC674AJP --: 12-bit ADC with similar conversion speed and parallel interface, good second-source option when the original is unavailable.
  • ADS7804P --: 12-bit sampling ADC with similar throughput and parallel output, widely available alternative in DIP package.

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