MAX1236LEUA+T

Analog To Digital Converters (ADC) Overview

The MAX1236LEUA+T is a low-power, 12-bit analog-to-digital converter (ADC) from the MAX1236–MAX1239 family. It features an internal track/hold circuit, voltage reference, clock, and an I²C-compatible 2-wire serial interface. The device operates from a single supply of 4.5V to 5.5V and consumes 670µA at the maximum sampling rate of 94.4ksps. Supply current falls below 230µA for sampling rates under 46ksps. AutoShutdown™ powers down the devices between conversions, reducing supply current to less than 1µA at low throughput rates. The MAX1236 has four analog input channels each. The fully differential analog inputs are software configurable for unipolar or bipolar, and single-ended or differential operation. The full-scale analog input range is determined by the internal reference or by an externally applied reference voltage ranging from 1V to VDD. The MAX1236 features a 4.096V internal reference. The MAX1236 is available in an 8-pin µMAX package. The MAX1236–MAX1239 are guaranteed over the extended temperature range (-40°C to +85°C).

Analog To Digital Converters (ADC) Feature Summary

• High-Speed I2C-Compatible Serial Interface with 400kHz Fast Mode and 1.7MHz High-Speed Mode.
• Single-Supply Operation with Internal Reference options of 2.048V or 4.096V depending on the specific part number.
• Low Power consumption with AutoShutdown feature that reduces supply current to less than 1µA at low throughput rates.
• Software-Configurable Unipolar/Bipolar and Single-Ended/Differential Analog Input Modes.

Analog To Digital Converters (ADC) Applications

• Handheld Portable Applications
• Medical Instruments
• Battery-Powered Test Equipment
• Solar-Powered Remote Systems
• Received-Signal-Strength Indicators

Analog To Digital Converters (ADC) Procurement Notes

Verify the exact ordering suffix against the manufacturer's official documentation to ensure correct package type, temperature range, and tape-and-reel configuration. Confirm RoHS compliance status and lead-free material specifications as required by your assembly process. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution and low power consumption are critical for battery-operated applications. Ensure the supply voltage matches the 4.5V to 5.5V range specified for the MAX1236 variant. Consider the 8-pin µMAX package size constraints and the I2C interface requirements for system integration. Verify the channel count and input configuration needs against the 4-channel capability of this specific model.

Analog To Digital Converters (ADC) Part Context

The MAX1236LEUA+T belongs to the MAX1236–MAX1239 series of low-power, 12-bit, multichannel analog-to-digital converters. This family shares common architectural features such as internal track/hold, voltage reference, clock, and an I2C-compatible 2-wire serial interface. The series includes variants with different channel counts and supply voltage ranges, all designed for portable and battery-powered applications requiring high accuracy and low power consumption.

Analog To Digital Converters (ADC) Replacement Considerations

For pin-compatible 10-bit parts, refer to the MAX1136–MAX1139 data sheet. For pin-compatible 8-bit parts, refer to the MAX1036–MAX1039 data sheet. Ensure the replacement part meets the same supply voltage and temperature range requirements.

Analog To Digital Converters (ADC) FAQ

What is the internal reference voltage for the MAX1236?

The MAX1236 features a 4.096V internal reference.

How many analog input channels does the MAX1236 have?

The MAX1236 has four analog input channels.

What is the maximum sampling rate of the MAX1236?

The maximum sampling rate of the MAX1236 is 94.4ksps.

What is the operating temperature range for the MAX1236?

The MAX1236 is guaranteed over the extended temperature range of -40°C to +85°C.