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MAX121CPE from MAXIM,MAXIM - Dallas Semiconductor

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MAX121CPE

Manufacturer: MAXIM, MAX

308Ksps ADC with DSP Interface and 78dB SINAD

Partnumber Manufacturer Quantity Availability
MAX121CPE MAXIM, MAX 25 In Stock

Description and Introduction

308Ksps ADC with DSP Interface and 78dB SINAD The MAX121CPE is a 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

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

### **Specifications:**  
- **Resolution:** 12-bit  
- **Sampling Rate:** Up to 100 kSPS (kilo samples per second)  
- **Input Voltage Range:** 0V to +5V (single-ended)  
- **Power Supply:** +5V single supply  
- **Conversion Time:** 10 µs (typical)  
- **Integral Nonlinearity (INL):** ±1 LSB (max)  
- **Differential Nonlinearity (DNL):** ±1 LSB (max)  
- **Input Impedance:** 5 kΩ (typical)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 16-pin PDIP (Plastic Dual In-line Package)  

### **Descriptions:**  
- The MAX121CPE is a successive-approximation ADC with an internal track/hold circuit.  
- It provides a parallel digital output interface for easy interfacing with microprocessors or digital systems.  
- The device is designed for applications requiring medium-speed, high-accuracy analog-to-digital conversion.  

### **Features:**  
- **Internal Track/Hold:** Eliminates the need for an external sample-and-hold circuit.  
- **Low Power Consumption:** Typically 40 mW at full speed.  
- **No Missing Codes Guaranteed:** Ensures monotonicity over the full operating range.  
- **Easy Microprocessor Interface:** Compatible with standard parallel data buses.  
- **Single +5V Supply Operation:** Simplifies system power requirements.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

308Ksps ADC with DSP Interface and 78dB SINAD

Alternative Part Number

  • AD7870KN --: Pin-compatible 12-bit sampling ADC with similar throughput and interface, widely used as a direct substitute for the MAX121.
  • LTC1278CN --: 12-bit 500ksps ADC with comparable parallel interface and performance characteristics, suitable drop-in replacement in most designs.
  • ADS7804P --: 12-bit sampling ADC with similar speed and parallel output, functionally equivalent alternative when MAX121 is unavailable.
  • ADS7800JP --: 12-bit successive-approximation ADC offering comparable speed and parallel output, suitable drop-in replacement with minor external component adjustments.
  • LTC1272CN --: 12-bit 3us sampling ADC with similar parallel interface and DIP package, functionally equivalent alternative for MAX121 applications.

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