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MAX1449EHJ from MAXIM,MAXIM - Dallas Semiconductor

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15.625ms

MAX1449EHJ

Manufacturer: MAXIM

10-bit, 105Msps, single +3.3V low-power ADC with internal reference. For medical ultrasound imaging, CCD pixel processing, IR focal plane arrays, radar, IF & baseband digitization

Partnumber Manufacturer Quantity Availability
MAX1449EHJ MAXIM 4 In Stock

Description and Introduction

10-bit, 105Msps, single +3.3V low-power ADC with internal reference. For medical ultrasound imaging, CCD pixel processing, IR focal plane arrays, radar, IF & baseband digitization The MAX1449EHJ 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:** Up to 1.5Msps (Mega samples per second)  
- **Supply Voltage:** +2.7V to +3.6V  
- **Power Consumption:**  
  - 3.6mW (1.5Msps, 3V supply)  
  - 1.2µA (Shutdown mode)  
- **Input Voltage Range:** 0V to VREF (externally adjustable)  
- **Reference Voltage:** External (1.25V to VDD)  
- **DNL (Differential Nonlinearity):** ±0.5 LSB (max)  
- **INL (Integral Nonlinearity):** ±1 LSB (max)  
- **Signal-to-Noise Ratio (SNR):** 70dB (typical)  
- **Total Harmonic Distortion (THD):** -80dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin TQFN (5mm x 5mm)  

### **Descriptions:**  
The MAX1449EHJ is a high-performance, low-power, 12-bit ADC designed for applications requiring fast conversion speeds with minimal power consumption. It features an internal track-and-hold (T/H) circuit, a precision reference input, and a serial interface for easy microcontroller interfacing. Its small form factor and low power make it suitable for portable and battery-powered applications.  

### **Features:**  
- **High-Speed Conversion:** Up to 1.5Msps  
- **Low Power Consumption:** 3.6mW at full speed  
- **Wide Supply Range:** +2.7V to +3.6V  
- **External Reference Input:** Adjustable from 1.25V to VDD  
- **Serial Interface:** SPI/QSPI/MICROWIRE compatible  
- **Internal Track-and-Hold Circuit**  
- **Shutdown Mode:** Reduces power to 1.2µA  
- **Small Footprint:** 32-pin TQFN package  
- **Excellent Dynamic Performance:** Low THD and high SNR  

This ADC is commonly used in data acquisition, medical instruments, industrial control, and portable devices.

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