Analog Devices Inc./Maxim Integrated MAX4590CPE

Overview

MAX4590CPE 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 reed relay replacement in automated test equipment.

For engineers reviewing the MAX4590CPE datasheet, MAX4590CPE pinout, MAX4590CPE application, or MAX4590CPE equivalent, key selection criteria include guaranteed R_ON matching across channels, TTL/CMOS-compatible logic thresholds (+0.8V/+2.4V), and verified performance under ±15V dual-supply conditions with 150ns turn-on time.

Technical Context

The MAX4590CPE implements a dual-channel, non-latching, normally open analog switch architecture using high-voltage CMOS process technology. Each channel features independent digital control inputs (IN1/IN2) with defined logic thresholds, separate COM/NO terminals, and shared analog supply rails (V+/V−) and logic supply (VL).

It supports true rail-to-rail analog signal switching (±10V range), maintains low charge injection (40pC typ), and achieves −65dB crosstalk and −53dB off-isolation at 1MHz - critical for precision multiplexing and signal routing in mixed-signal test systems.

Key Specifications

Pinout & Package

MAX4590CPE is housed in a 16-pin plastic DIP package (0.300" wide), with through-hole mounting and industry-standard footprint. Pin 1 is top-left corner when notch faces upward.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADG1419BRUZ and TS5A3159DCKR, MAX4590CPE uniquely supports both ±15V dual supplies and +12V single supply with dedicated VL pin, enabling robust logic interfacing in mixed-voltage test environments where supply isolation and rail-to-rail analog fidelity are mandatory.

Availability

MAX4590CPE is available at Aetrix Electronics and suitable for automated test equipment, telecom line interface modules, and industrial signal routing applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for MAX4590CPE 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.

The MAX4590CPE belongs to Maxim's precision analog switch product line, engineered specifically for high-reliability signal routing in automated test and telecom infrastructure where low R_ON, tight matching, and dual-supply operation are critical.

FAQ

What is the maximum analog signal voltage range supported by the MAX4590CPE?

The MAX4590CPE supports rail-to-rail analog signals up to ±10V when operated with ±15V dual supplies. With +12V single supply (V− = GND), it handles 0V to +10V signals. Absolute maximum ratings allow V+ to V− differential up to 44V, but signal swing is limited by supply rails and internal protection diodes.

Does the MAX4590CPE require external pull-up or pull-down resistors on its IN1/IN2 control inputs?

No, the MAX4590CPE does not require external biasing on IN1/IN2. Its TTL/CMOS-compatible inputs have defined thresholds (+0.8V low, +2.4V high) and negligible input current (<0.5µA). Direct connection to microcontroller GPIO or FPGA outputs is sufficient; external resistors are only needed if driving from open-drain sources.

Can the MAX4590CPE operate with V+ = +24V and V− = GND while maintaining guaranteed R_ON performance?

Yes - the MAX4590CPE is fully specified for +4.5V to +36V single-supply operation. At V+ = +24V and V− = GND, R_ON remains ≤1.25Ω max, R_ON match ≤0.25Ω, and off-leakage ≤2.5nA at +85°C. Performance curves in the datasheet confirm stable behavior across this full range.

What is the purpose of the VL pin on the MAX4590CPE, and can it be tied to V+?

The VL pin powers the logic interface circuitry independently of analog supplies. It must be connected to a stable +5V supply (±10%); tying VL to V+ is not permitted. Doing so risks logic threshold shift, increased input current, and potential damage if V+ exceeds +5.5V. VL decouples digital noise from analog paths - a key design advantage in mixed-signal systems.

Is the MAX4590CPE pin-compatible with the MAX4580CPE or MAX4600CPE in the same DIP package?

No - although all three share the same 16-pin DIP footprint and pinout numbering, their internal switch configurations differ: MAX4580CPE has two NC switches, MAX4590CPE has two NO switches, and MAX4600CPE has one NC + one NO. Swapping them requires logic inversion and signal path rework; they are functionally distinct, not drop-in replacements.