Analog Devices Inc./Maxim Integrated MAX4600CAE

Overview

MAX4600CAE from Maxim Integrated is a dual SPST CMOS analog switch with one normally closed (NC) and one normally open (NO) channel, designed for rail-to-rail signal routing in precision analog systems. It delivers 1.25Ω max on-resistance, 0.25Ω max R_ON match between channels, and 2.5nA max off-leakage at +85°C, enabling low-distortion switching in automatic test equipment and communication interfaces.

For engineers reviewing the MAX4600CAE datasheet, MAX4600CAE pinout, MAX4600CAE application, or MAX4600CAE equivalent, key selection criteria include its dual-supply operation (±4.5V to ±20V), TTL/CMOS-compatible logic thresholds (+0.8V/+2.4V), guaranteed R_ON flatness (0.3Ω max), ESD protection (>2kV), and SSOP-16 package compatibility with space-constrained PCB layouts.

Technical Context

The MAX4600CAE implements two independent single-pole single-throw (SPST) switches using CMOS process technology, with separate control inputs (IN1, IN2) driving complementary NC/NO configurations. Its analog signal path supports ±10V rail-to-rail operation under ±15V supplies, while logic inputs reference VL (typically +5V) and maintain consistent 0.8V/2.4V thresholds across temperature.

Internal architecture ensures matched on-resistance between COM1–NC1 and COM2–NO2 paths, with flatness maintained over the full signal range via optimized channel geometry. The device avoids charge injection artifacts through balanced transistor sizing, delivering 40pC typical charge injection and <210ns turn-off time at +25°C.

Key Specifications

Pinout & Package

MAX4600CAE is housed in a 16-pin SSOP (Shrink Small Outline Package) with 0.65mm lead pitch, 5.3mm body width, and JEDEC MO-150 compliance. The package supports reflow soldering and provides thermal resistance of 143°C/W (θ_JA).

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADG1419BRUZ and TS5A3157DCUR, MAX4600CAE offers superior voltage range and rail-to-rail fidelity for test and telecom applications, while trading off programmability and footprint for analog performance and supply flexibility.

Availability

MAX4600CAE is available at Aetrix Electronics and suitable for automatic test equipment, communications infrastructure, PBX/PABX systems, and industrial sensor signal conditioning requiring stable component supply across production lifecycles.

Supply support for MAX4600CAE 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 precision analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.

The MAX4580/MAX4590/MAX4600 family targets high-fidelity analog signal routing in environments demanding low distortion, tight channel matching, and robust supply flexibility - especially where mechanical relay replacement is required.

FAQ

What is the maximum operating temperature range for the MAX4600CAE?

The MAX4600CAE is rated for operation from 0°C to +70°C. This commercial-grade temperature range is specified in the ordering information table and applies to all CAE suffix variants. The device's electrical characteristics - including on-resistance, leakage current, and switching times - are guaranteed across this full range, with typical performance measured at +25°C. For extended temperature operation, consider the MAX4600EAE variant rated from −40°C to +85°C.

Does the MAX4600CAE support single-supply operation?

Yes, the MAX4600CAE supports single-supply operation from +4.5V to +36V. In this configuration, V− is connected to GND, V+ supplies the positive rail, and analog signals swing from GND to V+. The device maintains rail-to-rail signal handling, 1.25Ω max on-resistance, and TTL/CMOS-compatible logic thresholds. Single-supply use simplifies power design in applications like data acquisition modules and industrial I/O cards where negative supplies are unavailable.

How is the logic supply (VL) used in the MAX4600CAE?

The VL pin on the MAX4600CAE supplies power to the internal logic circuitry and gate drivers, decoupling digital control from analog supplies. It operates from +2.7V to +5.5V and must be referenced to GND. Typical use sets VL = +5V, ensuring compatible 0.8V/2.4V logic thresholds regardless of V+ or V− levels. This separation allows reliable switching control even when analog supplies exceed 5V - a key enabler for high-voltage test and telecom applications using the MAX4600CAE.

Can the MAX4600CAE replace mechanical relays in automatic test equipment?

Yes, the MAX4600CAE is explicitly positioned as a reed relay replacement in automatic test equipment. Its 1.25Ω max on-resistance, 2.5nA max off-leakage at +85°C, and 210ns turn-off time enable faster, more reliable, and lower-power switching than electromechanical alternatives. Unlike relays, it requires no actuation energy, generates no EMI, and supports >10⁹ operations - making the MAX4600CAE ideal for high-cycle automated test systems where longevity and repeatability are critical.

What is the function of the N.C. (no connection) pins on the MAX4600CAE?

The N.C. pins (1, 3, 6, 8, 10, 15) on the MAX4600CAE are not internally connected and serve no functional role in the analog or logic circuitry. However, Maxim recommends tying them to GND or a low-impedance point to reduce parasitic coupling and improve off-isolation performance. This practice lowers crosstalk between active and inactive channels - particularly valuable in high-density PCB layouts where signal integrity is paramount for the MAX4600CAE's intended applications.