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MAX122BCNG from MAXIM,MAXIM - Dallas Semiconductor

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MAX122BCNG

Manufacturer: MAXIM, MAX

500ksps, 12-Bit ADCs with Track/Hold And Refrence

Partnumber Manufacturer Quantity Availability
MAX122BCNG MAXIM, MAX 19 In Stock

Description and Introduction

500ksps, 12-Bit ADCs with Track/Hold And Refrence The MAX122BCNG 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 factual data:

### **Manufacturer:**  
Maxim Integrated (now Analog Devices)  

### **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:** 0V to +5V (unipolar) or ±5V (bipolar)  
- **Conversion Time:** 2.5 µs (typical)  
- **Interface:** Parallel  
- **Supply Voltage:** +5V (analog and digital)  
- **Power Consumption:** 100 mW (typical)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 24-pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The MAX122BCNG is a high-speed, 12-bit ADC with an internal track/hold amplifier and a successive approximation register (SAR) architecture.  
- It supports both unipolar and bipolar input voltage ranges, making it suitable for various signal acquisition applications.  
- The parallel interface allows for direct connection to microprocessors or DSPs.  

### **Features:**  
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **Low Power Consumption:** Designed for power-sensitive applications.  
- **Flexible Input Configuration:** Supports single-ended or differential inputs.  
- **No Missing Codes:** Ensures accurate 12-bit performance.  
- **On-Chip Clock:** Includes an internal clock for simplified timing control.  

For exact details, refer to the official datasheet from Analog Devices (formerly Maxim Integrated).

Application Scenarios & Design Considerations

500ksps, 12-Bit ADCs with Track/Hold And Refrence

Alternative Part Number

  • AD7874AN --: Pin-compatible 12-bit sampling ADC with similar throughput and parallel interface, widely available as a direct functional substitute.
  • LTC1278CN --: 12-bit successive-approximation ADC in DIP package with comparable speed and analog input range, suitable drop-in replacement.
  • ADS7804P --: 12-bit sampling ADC with similar conversion timing and parallel output, offering a cost-effective alternative from a major supplier.
  • AD7874ANZ --: Pin-compatible 12-bit sampling ADC with similar throughput and parallel interface, widely available as a direct functional substitute.
  • LTC1272CCN --: 12-bit successive-approximation ADC in DIP package with comparable speed and interface, suitable drop-in replacement in most designs.
  • ADS7804PB --: 12-bit sampling ADC with similar conversion rate and parallel output, offering an alternative source with good availability.

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