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MAX125CCAX+D from MAXIM,MAXIM - Dallas Semiconductor

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MAX125CCAX+D

Manufacturer: MAXIM, MAXIM/DALLAS

2x4-Channel, Simultaneous-Sampling, 14-Bit DAS

Partnumber Manufacturer Quantity Availability
MAX125CCAX+D,MAX125CCAXD MAXIM, MAXIM/DALLAS 118 In Stock

Description and Introduction

2x4-Channel, Simultaneous-Sampling, 14-Bit DAS The MAX125CCAX+D is a high-speed, multichannel, 14-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated (formerly Dallas Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Resolution:** 14-bit  
- **Channels:** 4 simultaneous sampling channels  
- **Sampling Rate:** Up to 1.25 MSPS (Mega Samples Per Second) per channel  
- **Input Voltage Range:** ±5V (bipolar)  
- **DNL (Differential Non-Linearity):** ±1 LSB (max)  
- **INL (Integral Non-Linearity):** ±2 LSB (max)  
- **Power Supply:** ±5V  
- **Power Consumption:** 450mW (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 48-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**  
The MAX125CCAX+D is a high-performance, simultaneous-sampling ADC designed for applications requiring precise multichannel data acquisition. It features four independent track-and-hold (T/H) amplifiers, allowing simultaneous sampling of all four input channels. The device includes a high-speed parallel interface for easy integration with microprocessors or DSPs.

### **Features:**  
- **Simultaneous Sampling:** Four channels sampled at the same instant  
- **High-Speed Conversion:** 1.25 MSPS per channel  
- **On-Chip Track-and-Hold:** Eliminates external T/H circuits  
- **Low Power Consumption:** 450mW typical  
- **Parallel Interface:** 14-bit parallel output for easy interfacing  
- **Internal Voltage Reference:** 4.096V (or can use an external reference)  
- **Flexible Input Range:** ±5V bipolar input for wide dynamic range  
- **48-Pin SSOP Package:** Compact footprint for space-constrained designs  

This ADC is commonly used in industrial control, medical instrumentation, and high-speed data acquisition systems.  

(Note: All information is based on the manufacturer's datasheet.)

Application Scenarios & Design Considerations

2x4-Channel, Simultaneous-Sampling, 14-Bit DAS

Alternative Part Number

  • AD7874ANZ --: Quad simultaneous-sampling 12-bit ADC with similar architecture and parallel interface, a common cross-reference for the MAX125 in data-acquisition systems.
  • AD7874ARZ --: Same AD7874 family in a different package option, offering comparable 12-bit 4-channel simultaneous sampling performance as a drop-in functional alternative.
  • ADS7844E --: 12-bit 8-channel serial ADC that can replace the MAX125 in many applications where a serial interface is acceptable, with lower cost and wide availability.
  • AD7864ASZ-1 --: Four-channel simultaneous-sampling 12-bit ADC with comparable throughput and interface, a common drop-in style alternative for MAX125 designs.
  • LTC1859CG --: 8-channel 16-bit SAR ADC with similar serial/parallel interface and supply range, usable where higher resolution is acceptable.

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