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MAX1139EEE from MAX,MAXIM - Dallas Semiconductor

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MAX1139EEE

Manufacturer: MAX, MAXIM

2.7V to 3.6V and 4.5V to 5.5V / Low-Power / 4-/12-Channel / 2-Wire Serial 10-Bit ADCs

Partnumber Manufacturer Quantity Availability
MAX1139EEE MAX, MAXIM 133 In Stock

Description and Introduction

2.7V to 3.6V and 4.5V to 5.5V / Low-Power / 4-/12-Channel / 2-Wire Serial 10-Bit ADCs The MAX1139EEE is a 16-bit, multichannel, analog-to-digital converter (ADC) manufactured by Maxim Integrated.  

### **Specifications:**  
- **Resolution:** 16-bit  
- **Channels:** 8 single-ended or 4 differential  
- **Interface:** SPI/QSPI/MICROWIRE-compatible  
- **Supply Voltage:** +5V (analog), +2.7V to +5.25V (digital)  
- **Conversion Time:** 3µs (typical)  
- **Sampling Rate:** Up to 250ksps  
- **Input Voltage Range:** 0V to VREF (unipolar) or ±VREF/2 (bipolar)  
- **Reference Voltage:** External (2.5V to VDD)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP  

### **Descriptions:**  
The MAX1139EEE is a high-speed, low-power, 16-bit ADC with a successive-approximation register (SAR) architecture. It features a flexible input configuration supporting both single-ended and differential inputs, making it suitable for industrial, medical, and data acquisition applications.  

### **Features:**  
- **High Accuracy:** 16-bit resolution with no missing codes  
- **Low Power:** 5.5mW (typical) at 250ksps  
- **Flexible Input Modes:** Single-ended or differential  
- **Internal Clock:** Eliminates the need for an external clock  
- **Programmable Input Range:** Unipolar or bipolar operation  
- **On-Chip Track/Hold:** No external sample-and-hold required  
- **SPI-Compatible Serial Interface:** Easy microcontroller interfacing  

This device is designed for precision measurement applications requiring high-speed, high-resolution data conversion.

Application Scenarios & Design Considerations

2.7V to 3.6V and 4.5V to 5.5V / Low-Power / 4-/12-Channel / 2-Wire Serial 10-Bit ADCs

Alternative Part Number

  • ADC121C027CIMM --: 12-bit I2C ADC with comparable resolution and small package, suitable drop-in for many MAX1139 applications.
  • MCP3221A5T-I/OT --: 12-bit I2C ADC in SOT-23, low power and widely available alternative for similar sensing tasks.
  • ADS7828E/2K5 --: 12-bit 8-channel I2C ADC offering similar channel count and interface as the MAX1139.
  • ADS7828E/250 --: 12-bit 8-channel I2C ADC offering similar multi-channel I2C conversion capability in a comparable package.

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