Analog Devices Inc./Maxim Integrated MAX339CSE+

Overview

MAX339CSE+ from Maxim Integrated is a dual 4-channel CMOS analog multiplexer designed to route one of four bidirectional analog inputs per section (NO1A–NO4A and NO1B–NO4B) to respective common outputs (COMA, COMB) under 2-bit binary address control (A0, A1). It features ≤400Ω on-resistance, <20pA NO-off leakage at +25°C, 1.5pC typical charge injection, rail-to-rail signal handling (±15V dual or +12V single supply), and TTL/CMOS-compatible enable/address inputs. It serves in precision data-acquisition front-ends where low leakage and minimal signal corruption are critical.

For engineers reviewing the MAX339CSE+ datasheet, MAX339CSE+ pinout, MAX339CSE+ application, or MAX339CSE+ equivalent, this page delivers verified specifications, package mapping to 16-pin narrow SO, functional pin roles, real-world application contexts, and two validated alternative parts with documented technical and application differences - all grounded in Maxim's official 2019 datasheet Rev 6.

Technical Context

The MAX339CSE+ implements independent CMOS decode logic for each 4-channel section, enabling simultaneous or separate channel selection via shared A0/A1 address lines and dedicated EN enable input. Its silicon-gate 44V process ensures robust ±20V bipolar or +30V single-supply operation with guaranteed break-before-make switching (10–140ns) and low crosstalk (−92dB at 100kHz).

All digital inputs tolerate −2V to (V+ + 2V) voltage ranges and remain TTL-compatible across full temperature range (0°C to +70°C) and supply conditions (±4.5V to ±18V). Internal ESD protection exceeds 2000V (Method 3015.7), and analog terminals support rail-to-rail signal swings without degradation in on-resistance matching (≤10Ω max at +25°C).

Key Specifications

Pinout & Package

MAX339CSE+ is housed in a 16-pin narrow SOIC (Small Outline Integrated Circuit) package, RoHS-compliant and lead(Pb)-free, with standard 1.27mm pitch and JEDEC MS-012AC outline. Pin 1 is located at the top-left corner adjacent to the index mark.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DG509A, MAX339CSE+ delivers superior leakage and charge injection with identical layout; compared with MAX329CSE+, it trades higher on-resistance for wider supply flexibility and bipolar rail-to-rail operation - making it optimal for industrial DAQ and military comms where voltage range and ruggedness dominate.

Availability

MAX339CSE+ is available at Aetrix Electronics and suitable for data-acquisition systems, test equipment, and military radio designs requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for MAX339CSE+ 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 aerospace markets.

The MAX338/MAX339 family was engineered for low-leakage, low-charge-injection analog multiplexing in precision measurement and ruggedized systems - emphasizing rail-to-rail operation, ESD resilience, and drop-in compatibility with legacy industry-standard parts.

FAQ

What is the maximum supply voltage rating for MAX339CSE+?

The MAX339CSE+ supports a single positive supply up to +30V or dual supplies from ±4.5V to ±20V. Absolute maximum ratings specify V+ to V− differential up to 44V, with individual pin stress limits: V+ to GND ≤44V, GND to V− ≤25V. Operation beyond these limits risks permanent damage, and proper sequencing (V+ first, then V−, then logic) is required for reliability.

Does MAX339CSE+ support single-supply operation?

Yes, MAX339CSE+ operates from a single +4.5V to +30V supply. In this mode, V− must be connected to GND. The analog signal range becomes 0V to V+, e.g., 0–12V at +12V supply. All electrical characteristics - including on-resistance (460–650Ω typ), leakage, and transition time - are specified and guaranteed under single-supply conditions per the datasheet's "Electrical Characteristics-Single Supply" table.

What is the function of Pin 13 (A2) on MAX339CSE+?

Pin 13 (A2) is a no-connect (NC) terminal on MAX339CSE+. It is reserved for pin compatibility with the 8-channel MAX338 and must be left unconnected or tied to GND. Driving A2 has no effect on MAX339CSE+ functionality, as channel selection uses only A0 and A1. This NC pin enables shared PCB layouts between MAX338 and MAX339 variants without redesign.

How does MAX339CSE+ handle overvoltage on analog inputs?

MAX339CSE+ includes internal clamping diodes on all analog terminals (NOx, COMA, COMB). When an analog input exceeds V+ or falls below V−, current is shunted through these diodes - but forward current must be limited to ≤30mA continuous or ≤100mA peak (1ms, 10% duty cycle). External series resistors are recommended to enforce this limit and prevent latch-up or damage during fault conditions.

Is MAX339CSE+ pin-compatible with DG509A?

Yes, MAX339CSE+ is explicitly designed as a pin-compatible upgrade for DG509A in 16-pin SO packages. Pin assignments for V+, V−, GND, EN, A0, A1, NO1A–NO4A, NO1B–NO4B, COMA, and COMB match identically. No PCB changes are required for drop-in replacement, though improved performance (lower leakage, lower charge injection, higher ESD rating) is realized immediately upon substitution.