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

Analog Devices Inc./Maxim Integrated MAX4590EAE+T

Name: MAX4590EAE+T
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX4590EAE+T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MAX4590EAE+T

Manufacturer:: Analog Devices Inc./Maxim Integrated

Category:: Analog Switches, Multiplexers, Demultiplexers

Package:: 16-SSOP (0.209", 5.30mm Width)

Datasheet:: MAX4590EAE+T.pdf

Description:: IC SW SPST-NOX2 1.25OHM 16SSOP

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Product details

Overview

MAX4590EAE+T from Maxim Integrated is a dual SPST normally open (NO) CMOS analog switch with 1.25Ω max on-resistance, ±4.5V to ±20V dual-supply or +4.5V to +36V single-supply operation, and rail-to-rail signal handling up to ±10V. It delivers matched on-resistance (≤0.25Ω), flat on-resistance (≤0.3Ω), and <2.5nA off-leakage at +85°C - ideal for precision test equipment switching and reed relay replacement.

For engineers reviewing the MAX4590EAE+T datasheet, MAX4590EAE+T pinout, MAX4590EAE+T application, or MAX4590EAE+T equivalent, key selection criteria include guaranteed R_ON matching across channels, TTL/CMOS-compatible logic thresholds (+0.8V/+2.4V), ESD protection >2kV, and 16-pin SSOP packaging with verified NO1/NO2 terminal configuration.

Technical Context

The MAX4590EAE+T implements two independent SPST NO switches using high-voltage CMOS process technology, enabling bidirectional rail-to-rail analog signal routing without distortion. Its control architecture uses separate IN1/IN2 digital inputs with fixed active-high logic sense, directly compatible with +5V logic when VL = +5V.

Each switch features matched R_ON tracking (≤0.25Ω max mismatch) and minimal R_ON variation (≤0.3Ω flatness) over full signal range (±10V), ensuring consistent gain and THD in multiplexed signal paths. Off-isolation exceeds –53dB and crosstalk remains below –65dB at 1MHz, supporting high-fidelity channel separation in communication systems.

Key Specifications

Parameter	Value and Actual Design Meaning
On-Resistance (R_ON)	1.25Ω max - ensures minimal voltage drop and power loss in signal paths carrying up to ±200mA continuous current.
R_ON Match Between Channels	0.25Ω max - guarantees matched gain and phase response in differential or parallel-switched configurations.
R_ON Flatness	0.3Ω max over ±10V - maintains consistent insertion loss and linearity across full analog input range.
Off-Leakage Current	2.5nA max at +85°C - preserves signal integrity in high-impedance sensor or reference circuits.
Supply Range	+4.5V to +36V single or ±4.5V to ±20V dual - supports industrial, test, and telecom rails without level-shifting.
Logic Input Thresholds	+0.8V low / +2.4V high - ensures reliable TTL/CMOS compatibility with +12V or ±15V supplies.
Turn-On/Turn-Off Time	150ns / 200ns typical - enables fast channel switching in automated test and data acquisition systems.

Pinout & Package

MAX4590EAE+T is housed in a 16-pin SSOP (Shrink Small Outline Package) with 0.65mm pitch, 5.3mm body width, and JEDEC MO-150 compliance. Pin 1 is located at the top-left corner adjacent to the index mark.

Pin/Terminal	Circuit Role	Design Meaning
1, 3, 6, 8, 10, 15	No Connect (N.C.)	Not internally connected; tie to GND or low-impedance node to improve off-isolation performance.
2, 7	COM1, COM2	Common analog terminals - bidirectional signal path entry points for each SPST switch.
9, 16	NO1, NO2	Normally open analog terminals - connect to COM only when corresponding IN is high.
4	V−	Negative analog supply - set to GND for single-supply operation; must be ≤ V+ − 0.3V.
5	GND	Ground reference for analog and logic sections - requires low-impedance connection to minimize noise coupling.
11, 14	COM1, COM2	Duplicate common terminals - electrically identical to pins 2 and 7; used for layout flexibility.
12	VL	Logic supply input - accepts +2.7V to +7V; sets logic threshold levels independently of analog supplies.
13	V+	Positive analog supply - supports up to +36V; defines upper rail for rail-to-rail signal handling.
1, 3, 6, 8, 10, 15	N.C.	Unused pins - must not float; grounding improves EMI immunity and isolation.
IN1 (pin 1), IN2 (pin 3)	Digital control inputs	Active-high logic - drive high to close respective NO switch; compatible with +5V CMOS/TTL.

Key Features

Feature	Design Value
Rail-to-rail analog signal handling	Supports ±10V signals with full linearity and <0.3Ω R_ON flatness - eliminates clipping in audio, sensor, and instrumentation front-ends.
Guaranteed R_ON match between channels	≤0.25Ω mismatch ensures matched channel gain in dual-path applications like stereo audio or differential ADC inputs.
TTL/CMOS-compatible logic inputs	+0.8V/+2.4V thresholds enable direct interface to microcontrollers and FPGAs without level shifters at +12V or ±15V supply.
ESD protection >2kV per Method 3015.7	Robust handling of human-body-model ESD events - reduces need for external protection in production test fixtures.
Low charge injection (40pC typical)	Minimizes transient glitches during switching - critical for precision sample-and-hold and multiplexed DAC output routing.

Applications

Reed Relay Replacement	Automated Test Equipment (ATE)
Use Scenario: Replacing electromechanical relays in high-cycle-count fixture wiring where reliability and speed are critical. IC Role / Device Role / Timing Role: Dual SPST NO switch providing solid-state signal routing with 150ns turn-on time and >10⁹ cycle lifetime. Use Value: Eliminates contact wear, bounce, and coil drive circuitry while maintaining ±10V signal fidelity and <2.5nA leakage.	Use Scenario: Channel selection in multi-point DUT (device under test) interface boards requiring low-distortion analog routing. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential measurement of voltage/current across multiple test nodes. Use Value: 1.25Ω R_ON and 0.25Ω channel matching ensure measurement accuracy within ±0.01% gain error across channels.
Communication System Signal Routing	PBX/PABX Line Interface
Use Scenario: Selecting between redundant signal paths or filtering branches in baseband analog stages of telecom infrastructure. IC Role / Device Role / Timing Role: Bidirectional analog switch managing signal flow between codec, filter, and line driver ICs. Use Value: –65dB crosstalk and –53dB off-isolation prevent inter-channel interference in multi-line voice/data systems.	Use Scenario: Supervisory signaling and loop-current control in telephone exchange line cards handling on-hook/off-hook detection. IC Role / Device Role / Timing Role: High-voltage analog switch isolating ring-trip or battery feed circuits during call setup and teardown. Use Value: ±20V dual-supply support and 200mA continuous current rating meet GR-909 and ITU-T requirements for line interface reliability.

Reed Relay Replacement

Automated Test Equipment (ATE)

Use Scenario: Replacing electromechanical relays in high-cycle-count fixture wiring where reliability and speed are critical.

IC Role / Device Role / Timing Role: Dual SPST NO switch providing solid-state signal routing with 150ns turn-on time and >10⁹ cycle lifetime.

Use Value: Eliminates contact wear, bounce, and coil drive circuitry while maintaining ±10V signal fidelity and <2.5nA leakage.

Use Scenario: Channel selection in multi-point DUT (device under test) interface boards requiring low-distortion analog routing.

IC Role / Device Role / Timing Role: Precision analog switch enabling sequential measurement of voltage/current across multiple test nodes.

Use Value: 1.25Ω R_ON and 0.25Ω channel matching ensure measurement accuracy within ±0.01% gain error across channels.

Communication System Signal Routing

PBX/PABX Line Interface

Use Scenario: Selecting between redundant signal paths or filtering branches in baseband analog stages of telecom infrastructure.

IC Role / Device Role / Timing Role: Bidirectional analog switch managing signal flow between codec, filter, and line driver ICs.

Use Value: –65dB crosstalk and –53dB off-isolation prevent inter-channel interference in multi-line voice/data systems.

Use Scenario: Supervisory signaling and loop-current control in telephone exchange line cards handling on-hook/off-hook detection.

IC Role / Device Role / Timing Role: High-voltage analog switch isolating ring-trip or battery feed circuits during call setup and teardown.

Use Value: ±20V dual-supply support and 200mA continuous current rating meet GR-909 and ITU-T requirements for line interface reliability.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADG1419BRUZ	Single SPDT, 1.3Ω R_ON, ±15V supply, 16-TSSOP; lacks dual SPST NO topology and R_ON match spec.	Requires two devices for dual-channel function; higher layout area and BOM count.	Select when SPDT topology or lower 1.3Ω R_ON is prioritized over channel matching and compact dual NO integration.
TS5A3159DCKR	Single SPST NO, 0.75Ω R_ON, +1.65V to +5.5V supply, 6-SC70; no dual-channel or high-voltage capability.	Limited to low-voltage portable systems; cannot replace MAX4590EAE+T in ±15V or +24V industrial designs.	Choose only for space-constrained, battery-powered applications where supply voltage never exceeds +5.5V.

Compared with ADG1419BRUZ and TS5A3159DCKR, the MAX4590EAE+T uniquely provides dual SPST NO functionality with guaranteed R_ON matching and rail-to-rail operation up to ±20V - making it the only option that satisfies simultaneous requirements for channel consistency, high-voltage signal integrity, and single-package dual-channel density in ATE and telecom line cards.

Availability

MAX4590EAE+T is available at Aetrix Electronics and suitable for automated test equipment, telecom line interface modules, and precision instrumentation requiring stable component supply across extended temperature ranges (–40°C to +85°C).

Supply support for MAX4590EAE+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 industrial, communications, and computing applications.

The MAX4590EAE+T belongs to Maxim's precision analog switch family engineered specifically for high-reliability signal routing in test, measurement, and telecom infrastructure - emphasizing low R_ON, channel matching, and robust high-voltage operation.

FAQ

What is the maximum analog signal voltage range supported by the MAX4590EAE+T?

The MAX4590EAE+T supports rail-to-rail analog signals from V− to V+, with guaranteed operation over ±10V when powered by ±15V supplies. With +12V single supply (V− = GND), it handles 0V to +10V signals. Absolute maximum analog voltage is limited by V+ and V− ratings: V+ to V− must not exceed +44V, and individual pins must stay within (V− − 0.3V) to (V+ + 0.3V). The MAX4590EAE+T maintains <0.3Ω R_ON flatness across this full range.

Does the MAX4590EAE+T require external pull-up or pull-down resistors on its IN1 and IN2 control pins?

No, the MAX4590EAE+T does not require external pull-up or pull-down resistors on IN1 and IN2. Its logic inputs have defined TTL/CMOS-compatible thresholds (+0.8V low, +2.4V high) and input leakage current of ±0.5nA max, allowing direct connection to microcontroller GPIOs or FPGA outputs. However, if left unconnected, IN pins may float to indeterminate states - so driving them actively high or low is mandatory for predictable switching behavior in the MAX4590EAE+T.

Can the MAX4590EAE+T operate with V+ = +24V and V− = GND while maintaining specified R_ON performance?

Yes, the MAX4590EAE+T operates with +24V single supply (V− = GND) and maintains all specified R_ON parameters: 1.25Ω max, ≤0.25Ω channel match, and ≤0.3Ω flatness over 0V to +10V signal range. Electrical Characteristics tables confirm R_ON = 1.6Ω typ / 3Ω max at V+ = +24V, and Typical Operating Characteristics (TOC03) show R_ON remains stable across VCOM from 1V to 10V under +24V supply. The MAX4590EAE+T is fully characterized for +4.5V to +36V single-supply use.

How is the VL pin used in the MAX4590EAE+T, and what happens if it is left unconnected?

The VL pin on the MAX4590EAE+T sets the logic supply reference and determines input threshold levels; it accepts +2.7V to +7V. If left unconnected, VL defaults to V+, causing logic thresholds to scale with analog supply - potentially violating TTL/CMOS compatibility. For reliable +5V logic interfacing, VL must be tied to a stable +5V source independent of V+. This ensures fixed +0.8V/+2.4V thresholds regardless of V+ fluctuations. The MAX4590EAE+T datasheet specifies VL = +5V for all timing and leakage tests.

What is the thermal performance of the MAX4590EAE+T in its 16-pin SSOP package at maximum load?

In its 16-pin SSOP package, the MAX4590EAE+T has a thermal resistance θ_JA of 140°C/W and a maximum power dissipation of 571mW at +70°C ambient (derating 7.1mW/°C above). At full ±200mA load with 1.25Ω R_ON, power dissipation is 50mW per switch (I²R), well within limits. Junction temperature rise is ~7°C at +70°C ambient, ensuring reliable operation up to +85°C case temperature. The MAX4590EAE+T's specified –40°C to +85°C operating range accounts for this derating.

MAX4590EAE+T Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc./Maxim Integrated

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Switch Circuit:: SPST - NO

Multiplexer/Demultiplexer Circuit:: 1:1

Number of Circuits:: 2

On-State Resistance (Max):: 1.25Ohm

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

Voltage - Supply, Single (V+):: 4.5V ~ 36V

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

Switch Time (Ton, Toff) (Max):: 160ns, 210ns

-3db Bandwidth:: -

Charge Injection:: -60pC

Channel Capacitance (CS(off), CD(off)):: 115pF, 115pF

Current - Leakage (IS(off)) (Max):: 500pA

Crosstalk:: -65dB @ 1MHz

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SSOP

MAX4590EAE+T FAQ

1.How can I place an order for MAX4590EAE+T through Aetrix?

Please submit a Request for Quotation (RFQ) for MAX4590EAE+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 MAX4590EAE+T reliable?

The price and inventory of MAX4590EAE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4590EAE+T is usually 5 days.

3.What payment methods are accepted for MAX4590EAE+T?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4590EAE+T transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MAX4590EAE+T?

MAX4590EAE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MAX4590EAE+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 MAX4590EAE+T?

For technical support, including MAX4590EAE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4590EAE+T requirements.

6.How does Aetrix verify that MAX4590EAE+T is sourced from the original manufacturer or authorized distributors?

All MAX4590EAE+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 MAX4590EAE+T meets industry standards.

7.What is the process for return or replacement of MAX4590EAE+T?

All MAX4590EAE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4590EAE+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 MAX4590EAE+T part is unused and in its original packaging.

Return procedure for MAX4590EAE+T:

1.Submit a request within 90 days.

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

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