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MAX121CWE from MAXIM,MAXIM - Dallas Semiconductor

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MAX121CWE

Manufacturer: MAXIM

308Ksps ADC with DSP Interface and 78dB SINAD

Partnumber Manufacturer Quantity Availability
MAX121CWE MAXIM 259 In Stock

Description and Introduction

308Ksps ADC with DSP Interface and 78dB SINAD The MAX121CWE is a high-speed, low-power, 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:

### **Specifications:**
- **Resolution:** 12-bit  
- **Sampling Rate:** Up to 1 Msps (Million Samples Per Second)  
- **Input Voltage Range:** 0V to VREF (Reference Voltage)  
- **Power Supply:** +5V  
- **Power Consumption:** 60mW (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 16-pin Wide SOIC (SO-16)  
- **Interface:** Parallel  
- **DNL (Differential Nonlinearity):** ±1 LSB (max)  
- **INL (Integral Nonlinearity):** ±1 LSB (max)  
- **Signal-to-Noise Ratio (SNR):** 70dB (typical)  

### **Descriptions:**
The MAX121CWE is a 12-bit successive-approximation ADC designed for high-speed, low-power applications. It features an internal track-and-hold circuit, eliminating the need for an external sample-and-hold amplifier. The device operates from a single +5V supply and provides a parallel digital output for easy interfacing with microprocessors or DSPs.

### **Features:**
- **High-Speed Conversion:** 1 Msps sampling rate  
- **Low Power Consumption:** 60mW typical  
- **Internal Track-and-Hold:** No external sample-and-hold required  
- **Single +5V Supply Operation**  
- **Parallel Digital Output Interface**  
- **Wide Operating Temperature Range (0°C to +70°C)**  
- **16-Pin Wide SOIC Package**  

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

  • AD7870JN --: Pin-compatible 12-bit sampling ADC with similar throughput and parallel interface, widely used as a MAX121 replacement.
  • ADS7800JP --: 12-bit successive-approximation ADC in a comparable package with similar speed and interface, suitable functional substitute.
  • LTC1272CN --: 12-bit 250ksps sampling ADC offering comparable performance and pinout compatibility for the MAX121CWE.
  • ADS7805U --: 12-bit successive-approximation ADC with comparable speed and parallel output, suitable functional replacement.

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