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MAXIM INTEGRATED / ANALOG DEVICES MAX329CWE Differential CMOS Multiplexer

The MAX329CWE+ is an ultra-low leakage, monolithic CMOS analog multiplexer in a 16-pin WSOIC package. It functions as a differential, dual 4-channel multiplexer designed to minimize on and off leakages, making it ideal for switching signals from high source impedances. This device supports high input impedance applications such as op-amps and A/D converters. Adding an external 40 kΩ resistor to each input enhances fault tolerance. With low leakage and a 3.5 kΩ on-resistance, it can sustain 110V AC faults indefinitely while maintaining less than 40 nV error for normal signals. It operates across a supply voltage range of 10V to 30V or ±5V to ±18V, including unbalanced supply configurations like +12V/-5V or +5V/-15V. Applications include control and data logging systems, aircraft heads-up displays, data acquisition, and signal routing. Features include bidirectional operation, operation from 0°C to 70°C, compatibility with TTL and CMOS logic, and low power dissipation of 1.9mW with ±15V supplies. The device has a switching speed of less than 1.5 μs, latch-up proof construction, and charge injection of 5 pC at VA = 0V.

Authorized Distributors
Source:Newark
Part No:MAX329CWE+
Stock:47
Inv Date:06-05-2026
Price: Unit price: $27.39
Buy/RFQ:
Source:DigiKey
Part No:MAX329CWE+
Stock:208
Inv Date:06-05-2026
Price: Unit price: $27.4
Buy/RFQ:
Part No:MAX329CWE+
Stock:73
Inv Date:06-06-2026
Price: Unit price: $26.59
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX329CWE Differential CMOS Multiplexer Specifications:

  • Package: 16-pin WSOIC
  • Operation Temperature Range: 0°C to 70°C
  • Supply Voltage Range: 10V to 30V or ±5V to ±18V
  • On-Resistance: 3.5 kΩ
  • Leakage Current: Less than 40 nV error for normal signals, less than 1 pA leakage
  • Switching Speed: Less than 1.5 μs
  • Charge Injection: 5 pC at VA = 0V
  • Low Power Dissipation: 1.9 mW with ±15V supplies
  • Compatibility: TTL, CMOS logic
  • Fault Tolerance: External 40 kΩ resistor added per input for indefinite 110V AC fault withstand
  • Bidirectional operation supporting multiplexing or demultiplexing
  • Operation supported with unbalanced power supplies such as +12V/-5V and +5V/-15V

Buy the MAXIM MAX329CWE+ – Reliable Differential CMOS Multiplexer for Industrial Applications

Purchase the MAX329CWE+ online today to benefit from ultra-low leakage, high input impedance, quick switching times, and fault-tolerant design. Ideal for control systems, data logging, aircraft displays, and signal routing in industrial environments. With low power consumption and compatibility with TTL and CMOS logic, this device ensures reliable operation across a wide voltage range. Its robust construction supports indefinite withstand of 110V AC faults, making it suitable for critical applications with high safety and precision demands. Experience seamless integration and superior performance, all available for quick online purchase with excellent support.

Buy MAXIM MAX329CWE+ now and experience unmatched reliability and performance in high-impedance switching and fault-tolerant systems.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX329CWE?

You can click on the BUY or RFQ button to purchase MAX329CWE from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

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You can download the MAX329CWE datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

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