Overview
The MAX1239KEEE+ is a low-power, 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 high performance and versatility in various data acquisition applications. The MAX1239KEEE+ operates from a single supply voltage of 2.7V to 3.6V and features an I²C-compatible 2-wire serial interface, supporting standard, fast, and high-speed modes up to 1.7MHz. It is designed to provide high accuracy and low power consumption, making it suitable for a wide range of industrial and automotive applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 bits | |
| Number of Input Channels | 12 | |
| Sampling Rate | 94.4 kS/s | |
| Input Type | Differential, Single-Ended | |
| Interface Type | I²C | |
| Supply Voltage | 2.7V to 3.6V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 16-pin QSOP | |
| Internal Reference Voltage | 2.048V | V |
Key Features
- High-Speed I²C-Compatible Serial Interface: Supports standard, fast, and high-speed modes up to 1.7MHz.
- Low Power Consumption: Requires only 670µA at the maximum sampling rate and less than 1µA in AutoShutdown™ mode.
- Internal Track/Hold (T/H), Voltage Reference, and Clock: Reduces external component requirements.
- Software Configurable Inputs: Can be set for unipolar or bipolar, and single-ended or differential operation.
- Extended Temperature Range: Guaranteed operation from -40°C to +85°C.
- AutoShutdown™: Powers down the device between conversions to reduce supply current.
Applications
The MAX1239KEEE+ is suitable for various applications requiring high accuracy and low power consumption, such as:
- Industrial Automation: For data acquisition and control systems.
- Automotive Systems: For sensor data collection and processing.
- Medical Devices: For precise measurement and data conversion.
- Consumer Electronics: For applications requiring low power and high performance ADCs.
Q & A
- What is the resolution of the MAX1239KEEE+ ADC?
The MAX1239KEEE+ has a resolution of 12 bits.
- How many input channels does the MAX1239KEEE+ have?
The MAX1239KEEE+ has 12 analog input channels.
- What is the maximum sampling rate of the MAX1239KEEE+?
The maximum sampling rate is 94.4 kS/s.
- What types of inputs can the MAX1239KEEE+ support?
The device supports both differential and single-ended inputs.
- What is the supply voltage range for the MAX1239KEEE+?
The supply voltage range is from 2.7V to 3.6V.
- What is the operating temperature range of the MAX1239KEEE+?
The device operates over a temperature range of -40°C to +85°C.
- What package type is the MAX1239KEEE+ available in?
The MAX1239KEEE+ is available in a 16-pin QSOP package.
- Does the MAX1239KEEE+ have an internal voltage reference?
Yes, it features a 2.048V internal voltage reference.
- How does the AutoShutdown™ feature work?
The AutoShutdown™ feature powers down the device between conversions, reducing the supply current to less than 1µA at low throughput rates.
- What interface type does the MAX1239KEEE+ use?
The device uses an I²C-compatible 2-wire serial interface.
