Overview
The MAX1239MEEE 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, which features internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface. The MAX1239 is designed for applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Analog Input Channels | 12 |
| Supply Voltage Range | 2.7V to 3.6V |
| Maximum Sampling Rate | 94.4ksps |
| Supply Current at Maximum Sampling Rate | 670µA |
| Supply Current at Low Throughput Rates | < 1µA (AutoShutdown™) |
| Internal Reference Voltage | 2.048V |
| Package Type | 16-pin QSOP |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Internal track/hold (T/H), voltage reference, and clock.
- I²C-compatible 2-wire serial interface.
- Software configurable for unipolar or bipolar, and single-ended or differential operation.
- AutoShutdown™ feature to reduce supply current to less than 1µA at low throughput rates.
- Fully differential analog inputs.
- External reference voltage option ranging from 1V to VDD.
Applications
The MAX1239MEEE is suitable for a variety of applications that require low power consumption and high precision, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, including sensor interfaces and data acquisition.
- Consumer electronics requiring low power and high accuracy ADCs.
Q & A
- What is the resolution of the MAX1239MEEE ADC?
The MAX1239MEEE has a 12-bit resolution.
- How many analog input channels does the MAX1239MEEE have?
The MAX1239MEEE has 12 analog input channels.
- What is the supply voltage range for the MAX1239MEEE?
The supply voltage range is 2.7V to 3.6V.
- What is the maximum sampling rate of the MAX1239MEEE?
The maximum sampling rate is 94.4ksps.
- How much current does the MAX1239MEEE consume at maximum sampling rate?
The supply current at the maximum sampling rate is 670µA.
- What is the AutoShutdown™ feature and its benefit?
The AutoShutdown™ feature powers down the device between conversions, reducing the supply current to less than 1µA at low throughput rates.
- What is the internal reference voltage of the MAX1239MEEE?
The internal reference voltage is 2.048V.
- In what package type is the MAX1239MEEE available?
The MAX1239MEEE is available in a 16-pin QSOP package.
- What is the operating temperature range of the MAX1239MEEE?
The operating temperature range is -40°C to +85°C.
- Can the MAX1239MEEE be configured for different input types?
Yes, the MAX1239MEEE can be software configured for unipolar or bipolar, and single-ended or differential operation.
