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MAXIM INTEGRATED / ANALOG DEVICES MAX1239EEE Multichannel ADC

The MAX1239 is a low-power, 12-bit analog-to-digital converter (ADC) designed for multichannel data acquisition. It features an internal track/hold circuit, voltage reference, clock, and an I²C-compatible 2-wire serial interface for easy communication. Operating from a single supply voltage of 2.7V to 3.6V, it consumes only 670µA at a maximum sampling rate of 94.4kSPS, with current dropping below 230µA at lower sampling rates. The AutoShutdown™ feature powers down the device between conversions, reducing supply current to less than 1µA during idle periods. The ADC supports either 12 single-ended channels or 6 fully differential channels, includes an internal 2.048V reference (or an external reference from 1V to Vdd), and features an internal clock. It also incorporates an internal FIFO with channel-scan mode and allows software configuration for unipolar or bipolar operation. Suitable for medical applications, portable devices, and system monitoring.

Authorized Distributors
Source:Newark
Part No:MAX1239EEE+
Stock:7
Inv Date:06-05-2026
Price: Unit price: $26.55
Buy/RFQ:
Source:DigiKey
Part No:MAX1239EEE+
Stock:1245
Inv Date:06-05-2026
Price: Unit price: $25.78
Buy/RFQ:
Part No:MAX1239EEE+
Stock:694
Inv Date:06-06-2026
Price: Unit price: $25.78
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX1239EEE Multichannel ADC Specifications:

  • Resolution: 12 Bits
  • Supply Voltage: 2.7V to 3.6V
  • Operating Current: 670µA at 94.4kSPS, below 230µA at lower rates
  • Maximum Sampling Rate: 94.4kSPS
  • Analog Inputs: 12 single-ended or 6 differential channels
  • Internal Reference: 2.048V (or external 1V to Vdd)
  • Input Voltage Range: Gate-to-Ground clamp protection, linear range up to reference voltage
  • Interface: I²C-compatible 2-wire serial, fast and high-speed modes up to 1.7MHz
  • Power-Down Mode: Less than 1µA during idle
  • Channel Configuration: Software programmable unipolar or bipolar
  • Package: 16-pin QSOP
  • Temperature Range: -40°C to +85°C
  • Includes FIFO buffer with channel-scan mode
  • Internal clock support, external clock mode available

Buy the Maxim Series ADC: 12-Bit Multichannel ADC: MAX1239

Enhance your medical devices, portable systems, or automation projects with the Maxim series MAX1239 12-bit multichannel ADC. Featuring low power consumption, internal FIFO, channel-scan mode, and an I²C-compatible interface, it ensures precise data acquisition in compact packages. Its supported unipolar or bipolar operation, internal or external references, and high sampling rates up to 94.4kSPS make it ideal for demanding systems, offering reliable performance, easy integration, and energy-efficient operation for sophisticated applications.

Buy Maxim series MAX1239 low-power 12-bit ADC now and experience unmatched reliability and performance in multichannel data acquisition.

Frequently Asked Questions

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