Overview
The MAX1239MEEE-T 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 series, which features internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface. The MAX1239MEEE-T operates from a single supply of 2.7V to 3.6V and is designed for high-speed and low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | Up to 94.4 ksps |
| Input Type | Differential, Single-Ended |
| Data Interface | I²C-Compatible (400 kHz Fast Mode, 1.7 MHz High-Speed Mode) |
| Supply Voltage | 2.7V to 3.6V |
| Supply Current | 670 µA (typ) at maximum sampling rate, < 1 µA in AutoShutdown™ mode |
| Internal Reference | 2.048V |
| External Reference Range | 1V to VDD |
| Temperature Range | -40°C to +85°C |
| Package Type | 16-pin QSOP |
| Number of Analog Input Channels | 12 |
Key Features
- High-Speed I²C-Compatible Serial Interface: Supports 400 kHz Fast Mode and 1.7 MHz High-Speed Mode.
- Single-Supply Operation: 2.7V to 3.6V.
- Internal Reference: 2.048V, with the option to use an external reference from 1V to VDD.
- Low Power Consumption: 670 µA at maximum sampling rate, and less than 1 µA in AutoShutdown™ mode.
- Software Configurable Inputs: Fully differential analog inputs configurable for unipolar or bipolar, and single-ended or differential operation.
- Extended Temperature Range: Guaranteed operation from -40°C to +85°C.
Applications
The MAX1239MEEE-T is suitable for a variety of applications requiring high-speed, low-power analog-to-digital conversion. These include industrial automation, medical devices, automotive systems, and any other application where precise and efficient data conversion is necessary.
Q & A
- What is the maximum sampling rate of the MAX1239MEEE-T?
The MAX1239MEEE-T has a maximum sampling rate of up to 94.4 ksps. - What are the supply voltage ranges for the MAX1239MEEE-T?
The device operates from a single supply of 2.7V to 3.6V. - What types of analog inputs does the MAX1239MEEE-T support?
The device supports both differential and single-ended analog inputs. - What is the internal reference voltage of the MAX1239MEEE-T?
The internal reference voltage is 2.048V. - Can the MAX1239MEEE-T use an external reference voltage?
Yes, the device can use an external reference voltage ranging from 1V to VDD. - What is the typical supply current at the maximum sampling rate?
The typical supply current at the maximum sampling rate is 670 µA. - What is the supply current in AutoShutdown™ mode?
In AutoShutdown™ mode, the supply current is less than 1 µA. - What is the temperature range for the MAX1239MEEE-T?
The device is guaranteed to operate over the extended temperature range of -40°C to +85°C. - How many analog input channels does the MAX1239MEEE-T have?
The device has 12 analog input channels. - What package type is the MAX1239MEEE-T available in?
The MAX1239MEEE-T is available in a 16-pin QSOP package.
