Overview
The MAX1239EEE+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, which features low-power, high-speed, and versatile ADCs. The MAX1239EEE+T operates from a single supply voltage of 2.7V to 3.6V and is available in a 16-pin QSOP package. It is designed for applications requiring high accuracy and low power consumption, with an internal reference voltage of 2.048V and the ability to use an external reference voltage ranging from 1V to VDD.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 12-bit | |
| Number of Analog Input Channels | 12 | |
| 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 | 670µA (typ) | |
| Supply Current in AutoShutdown Mode | < 1µA | |
| Operating Temperature Range | -40°C to +85°C | |
| Package Type | 16-pin QSOP | |
| Serial Interface | I²C-compatible, 400kHz Fast Mode, 1.7MHz High-Speed Mode |
Key Features
- High-Speed I²C-Compatible Serial Interface with 400kHz Fast Mode and 1.7MHz High-Speed Mode
- Single-Supply Operation: 2.7V to 3.6V
- Internal Reference Voltage: 2.048V, with option for external reference from 1V to VDD
- Low Power Consumption: 670µA at maximum sampling rate, less than 1µA in AutoShutdown mode
- Software Configurable for Unipolar or Bipolar, Single-Ended or Differential Operation
- Internal Track/Hold (T/H), Voltage Reference, and Clock
- Extended Temperature Range: -40°C to +85°C
Applications
The MAX1239EEE+T is suitable for a variety of applications requiring high accuracy, low power consumption, and multiple analog input channels. These include:
- Data Acquisition Systems
- Industrial Automation
- Medical Devices
- Aerospace and Defense Systems
- Automotive Systems (though not specifically automotive qualified)
- Embedded Systems Requiring High-Speed ADCs
Q & A
- What is the resolution of the MAX1239EEE+T ADC?
The MAX1239EEE+T has a 12-bit resolution.
- How many analog input channels does the MAX1239EEE+T have?
The MAX1239EEE+T has 12 analog input channels.
- What is the supply voltage range for the MAX1239EEE+T?
The supply voltage range is 2.7V to 3.6V.
- What is the internal reference voltage of the MAX1239EEE+T?
The internal reference voltage is 2.048V.
- Can the MAX1239EEE+T use an external reference voltage?
- What is the maximum sampling rate of the MAX1239EEE+T?
The maximum sampling rate is up to 94.4 ksps.
- How much current does the MAX1239EEE+T consume at maximum sampling rate?
- What is the operating temperature range of the MAX1239EEE+T?
- What type of package is the MAX1239EEE+T available in?
- What type of serial interface does the MAX1239EEE+T support?
