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Home > Products > Integrated Circuits (ICs) > Interface > Analog Switches, Multiplexers, Demultiplexers

Analog Devices Inc./Maxim Integrated MAX314FESE+T

Name: MAX314FESE+T
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX314FESE+T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MAX314FESE+T

Manufacturer:: Analog Devices Inc./Maxim Integrated

Category:: Analog Switches, Multiplexers, Demultiplexers

Package:: 16-SOIC (0.154", 3.90mm Width)

Datasheet:: MAX314FESE+T.pdf

Description:: IC SW SPST-NO/NCX4 10OHM 16SOIC

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Product details

Overview

MAX314FESE+T from Maxim Integrated is a quad SPST analog switch with two normally open (NO) and two normally closed (NC) channels, fault-protected to ±36V with power on and ±40V with power off, 10Ω max on-resistance at ±15V, rail-to-rail signal handling, and TTL/CMOS-compatible logic inputs - used in industrial process control signal routing where overvoltage transients and hot-swap reliability are critical.

For engineers reviewing the MAX314FESE+T datasheet, MAX314FESE+T pinout, MAX314FESE+T application, or MAX314FESE+T equivalent, this page delivers verified electrical specs, fault-response timing (600ns typ), dual/supply operation (±4.5V to ±20V or +9V to +36V), and real-world use context for test equipment and redundant avionics switching.

Technical Context

The MAX314FESE+T implements parallel N- and P-channel FETs per channel for low R_ON and true bidirectional rail-to-rail conduction. Its dual comparator architecture continuously monitors COM_, NO_, and NC_ against V+ and V−, forcing high-impedance isolation during overvoltage faults regardless of switch state or supply condition.

Fault response is polarity-agnostic: positive faults (>V+) and negative faults (

Key Specifications

Parameter	Value and Actual Design Meaning
On-resistance (max)	10Ω at ±15V supplies - ensures minimal signal attenuation and thermal drift in precision analog paths
Fault protection range	±36V with power on, ±40V with power off - enables safe operation across industrial transients without external clamping
Fault response time (typ)	600ns - limits fault energy injection into downstream circuitry during fast transients
Supply range	±4.5V to ±20V dual or +9V to +36V single - supports legacy ±15V systems and modern high-voltage industrial rails
Logic compatibility	TTL/CMOS thresholds (+0.8V / +2.4V) - allows direct interface to microcontrollers and FPGAs without level-shifting
Channel configuration	2× NO + 2× NC - enables simultaneous break-before-make and make-before-break routing in safety-critical redundancy schemes
Off-isolation (typ)	-55dB at 1MHz - suppresses crosstalk between active and inactive signal paths in dense multiplexing

Pinout & Package

MAX314FESE+T is housed in a 16-pin SOIC (SO) package with exposed pad, rated for -40°C to +85°C operation. Pin 12 is no-connect (N.C.), and V− (Pin 4) connects to GND for single-supply use. Bypass capacitors (0.1µF) are required on V+ (Pin 13) and V− (Pin 4) to GND.

Pin/Terminal	Circuit Role	Design Meaning
IN1–IN4 (Pins 1, 8, 9, 16)	Logic-control inputs	Digital enable signals with TTL/CMOS thresholds; drive internal translators to switch FET gates
COM1–COM4 (Pins 2, 7, 10, 15)	Analog common terminals	Bidirectional signal path hubs; fault-protected up to ±40V with power off
NO1, NO4 (Pins 6, 3)	Normally open analog outputs	Open-circuit when IN = 0; connect to COM only when enabled - used for primary signal paths
NC2, NC3 (Pins 14, 11)	Normally closed analog outputs	Shorted to COM when IN = 0; disconnect on enable - provides default-path redundancy
V+ (Pin 13)	Positive supply input	Powers internal logic and FET gate drivers; must be bypassed to GND
V− (Pin 4)	Negative supply input	Reference for negative rail operation; tied to GND for single-supply mode
GND (Pin 5)	Digital ground reference	Return for logic circuitry only; no galvanic connection to analog signal paths
N.C. (Pin 12)	No connection	Not internally bonded - must remain floating; no PCB trace or pull-up/down

Key Features

Feature	Design Value
Rail-to-rail signal handling	Supports analog signals from V− to V+ without clipping - preserves full dynamic range in ±15V instrumentation front-ends
Pin compatibility with DG411/DG412/DG413	Enables drop-in replacement in legacy designs without layout changes - reduces redesign risk and qualification time
All-switches-off with V+ unpowered	Guarantees signal isolation during power sequencing failures - critical for hot-swap backplane safety
Break-before-make delay (MAX314F only)	2ns typ at +25°C - prevents momentary shorting during channel switching in redundant power routing
Control line fault protection	IN pins tolerate −0.3V to V− + 40V - withstands ESD and coupling events on digital control lines

Applications

Industrial Process Control	Avionics Redundancy
Use Scenario: Routing sensor signals (4–20mA, thermocouple) through PLC I/O modules subject to lightning-induced surges and ground-loop transients. IC Role / Device Role / Timing Role: Fault-protected analog switch providing isolated signal path selection with automatic shutdown during >±36V faults. Use Value: Eliminates need for external TVS diodes and relays, reducing BOM count and board area while maintaining SIL-2 compliance.	Use Scenario: Dual-channel flight control actuator monitoring where primary and backup sensors feed independent ADCs via shared analog mux. IC Role / Device Role / Timing Role: Quad SPST switch enabling simultaneous NO/NC routing to isolate failed channels and maintain signal continuity. Use Value: Enables automatic switchover within <1µs fault recovery window - meets DO-160 Section 22 transient immunity requirements.
ATE Signal Routing	Hot-Swap Power Distribution
Use Scenario: Multiplexing DUT test signals (DC–1MHz) in automated test equipment with varying voltage ranges and frequent reconfiguration. IC Role / Device Role / Timing Role: Low-R_ON, low-charge-injection analog switch ensuring measurement accuracy and repeatability across 1000+ test cycles. Use Value: 70pC charge injection and <20pF off-capacitance minimize settling error and crosstalk in 16-bit DAQ systems.	Use Scenario: Controlling auxiliary power rails in telecom line cards during live insertion/removal, where supply sequencing errors cause bus overvoltage. IC Role / Device Role / Timing Role: Fault-protected switch isolating downstream loads during V+ ramp-up or brownout conditions. Use Value: Turns off all channels when V+ drops below regulation - prevents backfeeding and latch-up in unpowered subsystems.

Industrial Process Control

Avionics Redundancy

Use Scenario: Routing sensor signals (4–20mA, thermocouple) through PLC I/O modules subject to lightning-induced surges and ground-loop transients.

IC Role / Device Role / Timing Role: Fault-protected analog switch providing isolated signal path selection with automatic shutdown during >±36V faults.

Use Value: Eliminates need for external TVS diodes and relays, reducing BOM count and board area while maintaining SIL-2 compliance.

Use Scenario: Dual-channel flight control actuator monitoring where primary and backup sensors feed independent ADCs via shared analog mux.

IC Role / Device Role / Timing Role: Quad SPST switch enabling simultaneous NO/NC routing to isolate failed channels and maintain signal continuity.

Use Value: Enables automatic switchover within <1µs fault recovery window - meets DO-160 Section 22 transient immunity requirements.

ATE Signal Routing

Hot-Swap Power Distribution

Use Scenario: Multiplexing DUT test signals (DC–1MHz) in automated test equipment with varying voltage ranges and frequent reconfiguration.

IC Role / Device Role / Timing Role: Low-R_ON, low-charge-injection analog switch ensuring measurement accuracy and repeatability across 1000+ test cycles.

Use Value: 70pC charge injection and <20pF off-capacitance minimize settling error and crosstalk in 16-bit DAQ systems.

Use Scenario: Controlling auxiliary power rails in telecom line cards during live insertion/removal, where supply sequencing errors cause bus overvoltage.

IC Role / Device Role / Timing Role: Fault-protected switch isolating downstream loads during V+ ramp-up or brownout conditions.

Use Value: Turns off all channels when V+ drops below regulation - prevents backfeeding and latch-up in unpowered subsystems.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MAX314CESE+	No fault protection; 35Ω R_ON max at ±15V; same pinout and logic interface	Suitable only for benign environments with external protection; lower cost but requires additional TVS/clamp design	Select when fault tolerance is not required and BOM cost is prioritized over system-level robustness
ADG1414BRUZ	4-channel SPST, ±15V rating, 1.8Ω R_ON, no integrated fault protection, 16-TSSOP package	Higher performance R_ON and bandwidth, but requires external ±36V fault clamps and layout redesign for SOIC-to-TSSOP	Choose for ultra-low distortion audio or high-speed data acquisition where R_ON flatness outweighs fault-integration needs

Compared with MAX314CESE+, MAX314FESE+T adds ±40V fault protection with no pinout change but increases R_ON by ~7Ω; versus ADG1414BRUZ, it trades lower R_ON for integrated fault resilience and SOIC compatibility - making it optimal for ruggedized industrial and aerospace signal routing.

Availability

MAX314FESE+T is available at Aetrix Electronics and suitable for industrial process control, avionics redundancy systems, and automated test equipment requiring stable component supply, long-term lifecycle support, and guaranteed fault-protection performance.

Supply support for MAX314FESE+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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and communications markets.

The MAX312F/MAX313F/MAX314F family was designed specifically for fault-tolerant analog signal routing in harsh environments - delivering integrated overvoltage protection, rail-to-rail operation, and pin compatibility with legacy switches.

FAQ

What is the maximum fault voltage the MAX314FESE+T can withstand with power applied?

The MAX314FESE+T withstands analog signal faults up to ±36V on COM_, NO_, or NC_ terminals when powered - verified under ±15V dual-supply conditions. This rating applies regardless of whether the affected switch is ON or OFF, and is specified with V+ and V− within their operating range. Exceeding ±36V may cause permanent damage, as noted in Absolute Maximum Ratings.

Does the MAX314FESE+T support single-supply operation, and what is the valid voltage range?

Yes, the MAX314FESE+T operates from a single +9V to +36V supply by connecting V− (Pin 4) to GND. In this mode, fault protection remains active up to ±36V relative to GND, and logic inputs retain TTL/CMOS compatibility with +0.8V/+2.4V thresholds. The device draws ≤300µA total supply current at +12V, supporting low-power industrial designs.

How does the MAX314FESE+T differ from the MAX312F and MAX313F in channel configuration?

The MAX314FESE+T integrates two normally open (NO) and two normally closed (NC) SPST switches per package. In contrast, MAX312F contains four NC switches, and MAX313F contains four NO switches. This hybrid configuration enables unique break-before-make routing in safety-critical applications like redundant sensor interfaces - a capability not available in the other variants.

Is the MAX314FESE+T pin-compatible with non-fault-protected industry-standard switches?

Yes, the MAX314FESE+T shares identical pinout with DG411/DG412/DG413 and the non-fault-protected MAX312/MAX313/MAX314 families. All NO_, NC_, and COM_ pins are fault-protected, allowing direct PCB replacement without layout modification - a key advantage for upgrading legacy systems to meet modern surge immunity standards.

What is the typical fault recovery time for the MAX314FESE+T after an overvoltage event?

After a positive overvoltage fault (>V+), the MAX314FESE+T recovers in approximately 1µs; for negative faults (

MAX314FESE+T Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc./Maxim Integrated

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Switch Circuit:: SPST - NO/NC

Multiplexer/Demultiplexer Circuit:: 1:1

Number of Circuits:: 4

On-State Resistance (Max):: 10Ohm

Channel-to-Channel Matching (ΔRon):: 50mOhm

Voltage - Supply, Single (V+):: 9V ~ 36V

Voltage - Supply, Dual (V±):: ±4.5V ~ 20V

Switch Time (Ton, Toff) (Max):: 225ns, 185ns

-3db Bandwidth:: -

Charge Injection:: 70pC

Channel Capacitance (CS(off), CD(off)):: 20pF, 20pF

Current - Leakage (IS(off)) (Max):: 1nA

Crosstalk:: -104dB @ 1MHz

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SOIC

MAX314FESE+T FAQ

1.How can I place an order for MAX314FESE+T through Aetrix?

Please submit a Request for Quotation (RFQ) for MAX314FESE+T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MAX314FESE+T reliable?

The price and inventory of MAX314FESE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX314FESE+T is usually 5 days.

3.What payment methods are accepted for MAX314FESE+T?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX314FESE+T transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MAX314FESE+T?

MAX314FESE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MAX314FESE+T order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MAX314FESE+T?

For technical support, including MAX314FESE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX314FESE+T requirements.

6.How does Aetrix verify that MAX314FESE+T is sourced from the original manufacturer or authorized distributors?

All MAX314FESE+T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX314FESE+T meets industry standards.

7.What is the process for return or replacement of MAX314FESE+T?

All MAX314FESE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX314FESE+T, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MAX314FESE+T part is unused and in its original packaging.

Return procedure for MAX314FESE+T:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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