Analog Devices Inc./Maxim Integrated MAX14757EUE+T

Overview

MAX14757EUE+T from Maxim Integrated is a quad normally open (NO) single-pole/single-throw (SPST) analog switch with 10Ω max on-resistance, rail-to-rail ±70V unipolar or ±35V bipolar supply operation, and -40°C to +85°C temperature range. It enables high-voltage signal routing in industrial control and battery management systems where bidirectional conduction and low leakage are critical.

For engineers reviewing the MAX14757EUE+T datasheet, MAX14757EUE+T pinout, MAX14757EUE+T application, or MAX14757EUE+T equivalent, key selection criteria include its 5Ω typical on-resistance, 0.004Ω on-resistance flatness, 2.5nA max off-leakage at +85°C, 145MHz -3dB bandwidth, and TSSOP-16 package compatibility with high-voltage analog switching requirements.

Technical Context

The MAX14757EUE+T implements four independent SPST switches controlled by logic-level enable inputs (EN1–EN4), each toggling between open and closed states based on VL-referenced high/low thresholds. Its BiCMOS process delivers low charge injection (580pC) and minimal THD+N (0.001%) across audio and precision instrumentation bands.

It supports asymmetric dual supplies and features integrated overvoltage/undervoltage clamping diodes tied to VDD and VSS. The device maintains stable RON matching (≤0.5Ω) and off-isolation (65dB) up to 100kHz while operating with only 500µA typical supply current.

Key Specifications

Pinout & Package

MAX14757EUE+T is housed in a RoHS-compliant 16-pin TSSOP package (4.4mm × 5.0mm, 0.65mm pitch) with exposed pad for thermal performance. Pin layout supports compact PCB layout and standard reflow assembly.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar analog switch applications.

Compared with MAX14756EUE+T and ADG1419BRUZ, the MAX14757EUE+T uniquely balances quad NO topology, +70V capability, and sub-10Ω RON in a standard TSSOP - making it optimal for high-voltage industrial multiplexing where default-open safety and rail-to-rail signal integrity are mandatory.

Availability

MAX14757EUE+T is available at Aetrix Electronics and suitable for industrial control systems, battery management systems, and instrumentation requiring stable component supply across extended temperature and high-voltage operating conditions.

Supply support for MAX14757EUE+T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Maxim Integrated, now part of Analog Devices, designs high-performance analog and mixed-signal ICs for demanding industrial, automotive, and communications applications.

The MAX14756/MAX14757/MAX14758 family targets high-voltage analog signal routing in environments where reliability, low distortion, and wide supply flexibility are essential - especially in programmable logic controllers and automated test equipment.

FAQ

What is the maximum continuous current rating per switch in MAX14757EUE+T?

The MAX14757EUE+T supports ±50mA continuous current per switch under normal operation. Exceeding this limit triggers internal leakage paths to VSS but does not damage the device if absolute maximum ratings (e.g., ±100mA peak, 100mA fault current) are respected. This rating ensures stable RON and thermal performance in industrial analog signal chains.

Can MAX14757EUE+T operate with asymmetric bipolar supplies?

Yes, MAX14757EUE+T supports asymmetric bipolar supplies - for example, VDD = +24V and VSS = -12V - as long as the total differential (VDD − VSS) remains within ±70V and individual rails stay within their absolute maximum ratings. This flexibility simplifies power architecture in mixed-voltage test and control systems.

Does MAX14757EUE+T require external clamping diodes for overvoltage protection?

No, MAX14757EUE+T integrates internal clamping diodes between each A/B terminal and VDD/VSS. When used with series current-limiting resistors (calculated per datasheet equations), these diodes safely clamp input transients beyond the supply rails - eliminating the need for discrete TVS or Schottky diodes in most industrial surge scenarios.

What is the logic threshold compatibility of MAX14757EUE+T enable inputs?

The EN1–EN4 inputs of MAX14757EUE+T accept VL-referenced logic levels: VIH = 0.75 × VL and VIL = 0.25 × VL. With VL = +3.3V, this yields thresholds of +2.475V (high) and +0.825V (low), ensuring robust interfacing with 3.3V microcontrollers and FPGA I/O without level shifters.

How does MAX14757EUE+T perform in audio applications compared to standard CMOS switches?

MAX14757EUE+T achieves 0.001% THD+N and 96dB crosstalk at 1kHz due to its ultra-flat 0.004Ω RON and low charge injection (580pC). Unlike standard CMOS switches that distort at high amplitudes, it maintains linearity across the full ±35V signal swing - making it suitable for pro-audio routing where signal purity is critical.