Analog Devices Inc./Maxim Integrated MAX4694EBE+T

Overview

MAX4694EBE+T from Maxim Integrated is a quad single-pole/double-throw (SPDT) analog switch IC in a 16-bump UCSP package, operating from a single +2V to +11V supply. It delivers rail-to-rail signal handling, 1nA max leakage current at +85°C, 35Ω max on-resistance at +5V, and guaranteed break-before-make switching - ideal for low-power audio routing in portable cellular handsets.

For engineers reviewing the MAX4694EBE+T datasheet, MAX4694EBE+T pinout, MAX4694EBE+T application, or MAX4694EBE+T equivalent, key selection criteria include its 2mm × 2mm UCSP footprint, dual-control logic architecture (A controls W/Y, B controls X/Z), ±5V-compatible signal range under single-supply biasing, and guaranteed 2ns break-before-make timing.

Technical Context

The MAX4694EBE+T implements four independent bidirectional SPDT switches with separate common terminals (W, X, Y, Z) and paired normally closed/open inputs (W0/W1, X0/X1, Y0/Y1, Z0/Z1). Its digital control uses two inputs - A drives switches W and Y, B drives X and Z - eliminating address decoding logic required by multiplexer variants.

Unlike MAX4691–MAX4693, it omits V− and EN pins, simplifying single-supply integration. Internal CMOS transmission gates are biased directly by V+, enabling rail-to-rail analog operation from 0V to V+, with ESD diodes clamping signals to V+ and GND.

Key Specifications

Pinout & Package

The MAX4694EBE+T is housed in a 16-bump, 0.5mm-pitch UCSP package measuring 2mm × 2mm, with solder bumps arranged in a 4×4 grid. No exposed pad; all connections made via bottom-side microbumps.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX4694ETE+T and TMUX1574RSVR, the MAX4694EBE+T uniquely combines 2mm × 2mm footprint, 1.8V logic compatibility, and guaranteed break-before-make - making it optimal for space- and power-constrained handheld designs where signal integrity and layout density are co-primary constraints.

Availability

MAX4694EBE+T is available at Aetrix Electronics and suitable for audio routing, cellular front-end isolation, and battery-operated sensor hub applications requiring stable component supply and long-term lifecycle support.

Supply support for MAX4694EBE+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 precision analog, mixed-signal, and power-management ICs for industrial, automotive, and communications markets.

The MAX4691–MAX4694 family targets low-voltage, space-constrained analog signal routing - specifically engineered for portable electronics needing rail-to-rail performance, ultra-small packaging, and robust switching behavior.

FAQ

What is the maximum supply voltage rating for MAX4694EBE+T?

The MAX4694EBE+T has an absolute maximum V+ rating of +12V. Its operational single-supply range is +2V to +11V. Exceeding +12V risks permanent damage due to internal ESD diode breakdown. Always use a 0.1µF ceramic bypass capacitor between V+ and GND to suppress supply transients that could push instantaneous voltage beyond the limit.

Does MAX4694EBE+T support dual-supply operation like other MAX469x parts?

No. The MAX4694EBE+T is specified for single-supply operation only (+2V to +11V), with GND used as the return path. Unlike MAX4691/MAX4692/MAX4693, it lacks a V− pin and cannot be operated from bipolar supplies. Its analog signal range is 0V to V+, not V− to V+.

How are the four SPDT switches controlled in MAX4694EBE+T?

The MAX4694EBE+T uses two digital inputs: A controls switches W and Y (W0/W1 and Y0/Y1), while B controls switches X and Z (X0/X1 and Z0/Z1). When A = 0, W connects to W0 and Y to Y0; when A = 1, W connects to W1 and Y to Y1. Identical logic applies to B and X/Z. There is no enable (EN) pin - switches are always active.

What is the guaranteed on-resistance match between channels for MAX4694EBE+T at +5V?

At +5V supply, the MAX4694EBE+T guarantees ≤5Ω on-resistance match (∆RON) between any two channels across the full −40°C to +85°C temperature range. This tight matching ensures consistent gain and phase response when routing differential or parallel signal paths, such as stereo audio left/right channels.

Can MAX4694EBE+T be used in audio applications requiring low THD?

Yes. At +5V supply, the MAX4694EBE+T achieves 0.02% total harmonic distortion plus noise (THD+N) at 20Hz–20kHz with 5V_P-P signals into 600Ω - meeting requirements for high-fidelity portable audio. Its low 35Ω RON and <3.5Ω flatness minimize nonlinear distortion, especially critical in headphone driver output stages.