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MAX1400CAI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1400CAI+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1400CAI+,MAX1400CAI MAXIM 16 In Stock

Description and Introduction

+5V 18-Bit Low-Power Multichannel Oversampling (Sigma-Delta) ADC The MAX1400CAI+ is a multichannel data acquisition system (DAS) manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** MAXIM Integrated  
- **Part Number:** MAX1400CAI+  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  
- **Operating Temperature Range:** **0°C to +70°C** (Commercial Grade)  
- **Supply Voltage:** **±2.5V to ±5.25V** (Dual Supply) or **+2.7V to +5.25V** (Single Supply)  
- **Resolution:** **18-bit** (Sigma-Delta ADC)  
- **Channels:**  
  - **8 fully differential** or **16 single-ended** analog input channels  
  - **2 fully differential** current-sense channels  
- **Sampling Rate:** Up to **480 samples per second (sps)**  
- **Interface:** **SPI/QSPI™/MICROWIRE™-compatible serial interface**  
- **Power Consumption:**  
  - **1.3mA** (Normal Mode)  
  - **2µA** (Power-Down Mode)  

### **Descriptions:**  
- The MAX1400CAI+ is a **low-power, multichannel DAS** with an integrated **18-bit sigma-delta ADC**, **PGA (Programmable Gain Amplifier)**, and **digital filter**.  
- It is designed for **high-precision sensor measurement** in industrial, medical, and instrumentation applications.  
- Includes **on-chip calibration** for offset and gain error correction.  
- Supports **bipolar/unipolar** input ranges.  

### **Features:**  
- **High-resolution ADC (18-bit)** with low noise.  
- **Programmable Gain (PGA) from 1 to 128** for signal conditioning.  
- **Flexible input configuration** (differential/single-ended).  
- **Low-power operation** with power-down mode.  
- **On-chip calibration** for improved accuracy.  
- **SPI-compatible serial interface** for easy microcontroller interfacing.  
- **Current-sense channels** for shunt-resistor measurements.  

This information is based solely on the manufacturer's datasheet and technical documentation. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

+5V 18-Bit Low-Power Multichannel Oversampling (Sigma-Delta) ADC
Partnumber Manufacturer Quantity Availability
MAX1400CAI+,MAX1400CAI MAXIM/DALLAS 16 In Stock

Description and Introduction

+5V 18-Bit Low-Power Multichannel Oversampling (Sigma-Delta) ADC The MAX1400CAI+ is a multichannel, low-power, 16-bit data acquisition system (DAS) manufactured by Maxim Integrated (formerly Dallas Semiconductor).  

### **Specifications:**  
- **Resolution:** 16-bit  
- **Channels:** 8 single-ended or 4 differential analog inputs  
- **ADC Type:** Sigma-Delta  
- **Sampling Rate:** Up to 480 samples per second (sps)  
- **Input Voltage Range:** ±2.5V (programmable)  
- **Supply Voltage:** +5V (analog), +2.7V to +5.25V (digital)  
- **Power Consumption:** 2.5mW (normal mode), 2µW (power-down mode)  
- **Interface:** SPI/QSPI/MICROWIRE-compatible 3-wire serial  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP  

### **Descriptions:**  
The MAX1400CAI+ integrates a precision ADC, programmable gain amplifier (PGA), and digital filtering for high-accuracy signal acquisition. It is designed for low-power applications, including industrial sensors, medical instruments, and portable data loggers.  

### **Features:**  
- **Low Power:** 2.5mW active power, 2µW shutdown  
- **Programmable Gain:** 1 to 128 V/V  
- **On-Chip Calibration:** System offset and full-scale error correction  
- **Digital Filtering:** Programmable sinc filter for noise reduction  
- **Flexible Input Configuration:** Single-ended or differential inputs  
- **Internal Clock:** Eliminates external oscillator requirement  
- **SPI-Compatible Serial Interface:** Simplifies microcontroller interfacing  

This device is optimized for high-resolution, low-noise performance in battery-operated and space-constrained applications.

Application Scenarios & Design Considerations

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

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