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MAX1402EAI from MAXIM,MAXIM - Dallas Semiconductor

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MAX1402EAI

Manufacturer: MAXIM, MAX

+5V / 18-Bit / Low-Power / Multichannel / Oversampling Sigma-Delta ADC

Partnumber Manufacturer Quantity Availability
MAX1402EAI MAXIM, MAX 138 In Stock

Description and Introduction

+5V / 18-Bit / Low-Power / Multichannel / Oversampling Sigma-Delta ADC The MAX1402EAI is a multichannel, low-power, 16-bit data acquisition system (DAS) manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 28-pin SSOP  
- **Resolution:** 16-bit  
- **Input Channels:** 8 single-ended or 4 differential  
- **ADC Type:** Sigma-Delta  
- **Sampling Rate:** Up to 480 samples per second (sps)  
- **Supply Voltage:** +2.7V to +3.6V (analog), +1.8V to +3.6V (digital)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Power Consumption:** 1.5mA (active mode), 2µA (power-down mode)  
- **Interface:** SPI/QSPI/MICROWIRE compatible  
- **Reference Voltage:** Internal (2.5V) or external (1V to VDD)  
- **Gain Programmable Amplifier (PGA):** 1 to 128  

### **Description:**  
The MAX1402EAI integrates a 16-bit sigma-delta ADC, a PGA, a digital filter, and a flexible input multiplexer. It is designed for precision measurement applications, including industrial process control, medical instrumentation, and portable data logging.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **High Resolution:** 16-bit ADC ensures accurate measurements.  
- **Flexible Input Configuration:** Supports single-ended or differential inputs.  
- **On-Chip PGA:** Adjustable gain from 1 to 128 for signal conditioning.  
- **SPI-Compatible Interface:** Easy integration with microcontrollers.  
- **Internal Oscillator:** Eliminates the need for an external clock.  
- **Power-Down Mode:** Reduces current consumption to 2µA when inactive.  
- **Integrated Reference:** 2.5V internal reference with low drift.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

+5V / 18-Bit / Low-Power / Multichannel / Oversampling Sigma-Delta ADC

Alternative Part Number

  • AD7714ARZ --: Pin-compatible 24-bit sigma-delta ADC with similar serial interface and functionality, widely used as a direct substitute for the MAX1402.
  • LTC2400CS8 --: High-resolution 24-bit delta-sigma ADC offering comparable performance and low power consumption for precision measurement applications.
  • CS5524-ASZ --: Multi-channel 24-bit delta-sigma ADC with similar signal conditioning features, suitable as a functional replacement in sensor interface designs.

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