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MAX1422ECM from MAXIM,MAXIM - Dallas Semiconductor

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MAX1422ECM

Manufacturer: MAXIM

12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference

Partnumber Manufacturer Quantity Availability
MAX1422ECM MAXIM 1504 In Stock

Description and Introduction

12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference The MAX1422ECM is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Resolution:** 12-bit  
- **Sampling Rate:** 3Msps (Mega samples per second)  
- **Input Voltage Range:** 0V to VREF (reference voltage dependent)  
- **Power Supply Voltage:** +5V  
- **Power Consumption:** 95mW (typical)  
- **DNL (Differential Non-Linearity):** ±0.5 LSB (max)  
- **INL (Integral Non-Linearity):** ±1 LSB (max)  
- **Signal-to-Noise Ratio (SNR):** 70dB (typical)  
- **THD (Total Harmonic Distortion):** -80dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-pin TQFP (Thin Quad Flat Pack)  

### **Descriptions:**
- The MAX1422ECM is a high-performance, 12-bit ADC designed for applications requiring fast and accurate signal conversion.  
- It features an internal track-and-hold (T/H) circuit, eliminating the need for an external sample-and-hold amplifier.  
- The device operates from a single +5V supply and includes a high-speed parallel interface for easy integration with microprocessors or DSPs.  

### **Features:**
- **High-Speed Conversion:** 3Msps sampling rate  
- **Low Power Consumption:** 95mW typical  
- **Internal Reference:** On-chip 2.5V reference (or external reference option)  
- **Wide Input Bandwidth:** Suitable for high-frequency signal acquisition  
- **Parallel Output Interface:** 12-bit parallel CMOS/TTL-compatible outputs  
- **On-Chip Track-and-Hold:** Simplifies external circuitry  
- **Single +5V Supply Operation:** Reduces system complexity  
- **Power-Down Mode:** For reduced power consumption when idle  

This ADC is commonly used in data acquisition systems, medical imaging, communications, and industrial instrumentation.

Application Scenarios & Design Considerations

12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference

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