Overview
The MAX1237MEUA+T is a 12-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1236–MAX1239 family, known for their low power consumption and high-speed I²C-compatible serial interface. The MAX1237MEUA+T operates on a single supply voltage ranging from 2.7V to 3.6V and is designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Analog Input Channels | 4 channels (MAX1237) |
| Supply Voltage Range | 2.7V to 3.6V |
| Internal Reference Voltage | 2.048V |
| External Reference Voltage Range | 1V to VDD |
| Sampling Rate | Up to 94.4 ksps |
| Supply Current at Maximum Sampling Rate | 670 µA (typ) |
| Supply Current in AutoShutdown Mode | < 1 µA |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 8-pin µMAX® |
| I²C Interface Speeds | 400 kHz Fast Mode, 1.7 MHz High-Speed Mode |
Key Features
- High-Speed I²C-Compatible Serial Interface with 400 kHz Fast Mode and 1.7 MHz High-Speed Mode
- Single-Supply Operation: 2.7V to 3.6V
- Internal Reference: 2.048V (MAX1237/MAX1239) and external reference option from 1V to VDD
- Low Power Consumption: 670 µA at maximum sampling rate, less than 1 µA in AutoShutdown mode
- Software Configurable for Unipolar or Bipolar, Single-Ended or Differential Operation
- Fully Differential Analog Inputs
- AutoShutdown™ Feature for Reduced Power Consumption Between Conversions
Applications
The MAX1237MEUA+T is suitable for a variety of applications that require precise analog-to-digital conversion with low power consumption. These include:
- Industrial Automation and Control Systems
- Medical Devices and Diagnostic Equipment
- Aerospace and Defense Systems
- Automotive Systems and Sensors
- Consumer Electronics and IoT Devices
Q & A
- What is the resolution of the MAX1237MEUA+T ADC?
The MAX1237MEUA+T has a resolution of 12 bits.
- What is the supply voltage range for the MAX1237MEUA+T?
The supply voltage range is from 2.7V to 3.6V.
- What is the internal reference voltage of the MAX1237MEUA+T?
The internal reference voltage is 2.048V.
- Can the MAX1237MEUA+T use an external reference voltage?
- What is the maximum sampling rate of the MAX1237MEUA+T?
The maximum sampling rate is up to 94.4 ksps.
- How much current does the MAX1237MEUA+T consume at maximum sampling rate?
The device consumes 670 µA (typ) at the maximum sampling rate.
- What is the operating temperature range of the MAX1237MEUA+T?
The operating temperature range is -40°C to +85°C.
- What package type is the MAX1237MEUA+T available in?
The device is available in an 8-pin µMAX® package.
- Does the MAX1237MEUA+T support high-speed I²C interface?
- What is the AutoShutdown™ feature in the MAX1237MEUA+T?
The AutoShutdown™ feature powers down the device between conversions, reducing supply current to less than 1 µA at low throughput rates.
