Overview
The MAX1137EUA+T is a low-power, 10-bit, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1136–MAX1139 family, which features internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface. The MAX1137EUA+T operates from a single supply voltage of 2.7V to 3.6V and is designed for low-power consumption, making it suitable for a variety of applications requiring high precision and efficiency.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage | 2.7V to 3.6V |
| Number of Analog Input Channels | 4 |
| Resolution | 10-bit |
| Sampling Rate | Up to 94.4ksps |
| Input Type | Differential, Single-Ended |
| Data Interface | I²C-compatible 2-wire serial interface |
| Operating Temperature | -40°C to +85°C |
| Package Type | 8-pin µMAX® |
| Integral Nonlinearity (INL) | 1 LSB |
Key Features
- Low power consumption: Requires only 670µA at the maximum sampling rate and less than 1µA in AutoShutdown™ mode.
- Flexible input configuration: Software configurable for unipolar or bipolar, and single-ended or differential operation.
- Internal reference: Features a 2.048V internal reference voltage.
- High-speed interface: Supports 400kHz Fast Mode and 1.7MHz High-Speed Mode I²C-compatible interface.
- AutoShutdown™: Powers down the device between conversions to reduce supply current.
Applications
The MAX1137EUA+T is ideal for various applications that require low power consumption and high precision, such as:
- Portable battery-powered data-acquisition systems.
- Industrial automation and control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense applications where low power and high reliability are critical.
Q & A
- What is the supply voltage range for the MAX1137EUA+T?
The supply voltage range is 2.7V to 3.6V. - How many analog input channels does the MAX1137EUA+T have?
The device has 4 analog input channels. - What is the resolution of the MAX1137EUA+T?
The resolution is 10-bit. - What is the maximum sampling rate of the MAX1137EUA+T?
The maximum sampling rate is up to 94.4ksps. - What types of input configurations are supported by the MAX1137EUA+T?
The device supports differential and single-ended input configurations. - What is the operating temperature range for the MAX1137EUA+T?
The operating temperature range is -40°C to +85°C. - What package type is the MAX1137EUA+T available in?
The device is available in an 8-pin µMAX® package. - Does the MAX1137EUA+T have an internal reference voltage?
Yes, it features a 2.048V internal reference voltage. - What is the power consumption in AutoShutdown™ mode?
The power consumption is less than 1µA in AutoShutdown™ mode. - What interface does the MAX1137EUA+T use for data communication?
The device uses an I²C-compatible 2-wire serial interface.
