Analog Devices Inc./Maxim Integrated MAX4053AEPE

Overview

MAX4053AEPE from Maxim Integrated is a triple single-pole/double-throw (SPDT) CMOS analog switch configured for bidirectional signal routing in low-voltage systems. It operates from ±2.7V to ±8V dual supplies or +2.7V to +16V single supply, delivers 100Ω typical on-resistance at ±5V, guarantees 6Ω channel-to-channel on-resistance match, and exhibits 0.1nA off-leakage at +25°C - enabling precision multiplexing in battery-powered instrumentation.

For engineers reviewing the MAX4053AEPE datasheet, MAX4053AEPE pinout, MAX4053AEPE application, or MAX4053AEPE equivalent, key selection criteria include guaranteed on-resistance flatness (<10Ω), rail-to-rail analog signal handling, TTL/CMOS logic compatibility at +5V, break-before-make timing (≤75ns), and -90dB off-isolation at 100kHz - all validated across -40°C to +85°C.

Technical Context

The MAX4053AEPE implements three independent SPDT switches using matched CMOS transmission gates, each controlled by a 2-bit address (ADDA, ADDB) and global inhibit (INH). Its internal logic-level translators isolate digital control signals from analog supply rails (V+, V-), enabling operation with asymmetric bipolar supplies while maintaining rail-to-rail analog swing.

Each switch features symmetric NO/NC/COM terminals with no intrinsic directionality, supported by ESD protection diodes between every analog pin and both V+ and V-. Leakage performance is characterized per channel with 0.1nA max off-leakage at +25°C and <1nA at +85°C, and on-leakage is similarly specified at 0.1nA (25°C).

Key Specifications

Pinout & Package

MAX4053AEPE is supplied in a 16-pin plastic DIP package (0.300" wide), RoHS-compliant, with through-hole mounting and operating temperature range of -40°C to +85°C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX4053ACPE and ADG1433BRUZ, the MAX4053AEPE uniquely balances -40°C to +85°C operation, 6Ω RON matching, and 0.1nA off-leakage - making it optimal for precision, battery-constrained, wide-temperature applications where channel matching and leakage directly impact measurement integrity.

Availability

MAX4053AEPE is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered test equipment, audio signal routing, and communications interface applications requiring stable component supply across industrial temperature ranges.

Supply support for MAX4053AEPE 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 demanding industrial, medical, and communications applications.

The MAX405x family targets low-voltage, low-leakage analog switching in space- and power-constrained systems - emphasizing rail-to-rail operation, guaranteed matching, and robust logic compatibility without external level shifters.

FAQ

What is the maximum analog signal voltage range supported by the MAX4053AEPE?

The MAX4053AEPE supports rail-to-rail analog signals from V- to V+. With ±5V supplies, this means ±5V; with a +5V single supply (V- = GND), the range is 0V to +5V. Absolute maximum ratings allow V+ up to +17V and V- down to -17V, but analog signals must remain within the supply rails to avoid forward-biasing internal ESD diodes - which would increase leakage and distortion. The MAX4053AEPE datasheet confirms operation across the full supply range without clipping.

Does the MAX4053AEPE require external level-shifting circuitry when interfaced with 3.3V microcontrollers?

No, the MAX4053AEPE does not require external level shifting when used with 3.3V microcontrollers. Its digital inputs (ADDA, ADDB, INH) have TTL/CMOS-compatible thresholds of 0.8V (VIL) and 2.4V (VIH) when V+ = +5V, and these thresholds scale appropriately with supply voltage. At V+ = +3.3V, logic high is guaranteed above ~1.7V - well within the 3.3V MCU's VOH spec. The MAX4053AEPE's internal logic-level translators ensure direct interfacing without added components.

How does the MAX4053AEPE achieve its 6Ω channel-to-channel on-resistance match?

The MAX4053AEPE achieves 6Ω guaranteed RON match through laser-trimmed, matched transistor pairs in its CMOS transmission gates and rigorous post-assembly characterization at temperature extremes. Unlike standard MAX4053 variants (12Ω match), the 'A' suffix denotes full characterization across -40°C to +85°C with binning to meet the tighter 6Ω ∆RON specification. This match is measured under identical conditions: V+ = 5V, V- = -5V, I_NO = 1mA, V_COM = ±3V - ensuring predictable gain tracking in differential or ratiometric circuits.

Can the MAX4053AEPE be used in a single-supply +3.3V system with ground-referenced analog signals?

Yes, the MAX4053AEPE operates reliably in +3.3V single-supply mode with V- tied to GND. Its analog signal range becomes 0V to +3.3V, and it maintains rail-to-rail switching capability. At +3.3V, typical on-resistance rises to ~250Ω (vs. 100Ω at ±5V), and turn-on time increases to ~180ns - both documented in the MAX4053AEPE datasheet's single +3V supply section. No level shifters or external biasing are needed, and leakage remains at 0.1nA (25°C), preserving accuracy in low-power sensor interfaces.

What is the purpose of the INH (inhibit) pin on the MAX4053AEPE, and how should it be used?

The INH pin on the MAX4053AEPE is a global digital inhibit input that forces all three SPDT switches into the OFF state regardless of address inputs. When driven high (≥2.4V at V+ = +5V), it disables conduction between all NO/NC and COM terminals - effectively isolating all analog paths. It should be tied to GND during normal operation; pulling it high provides fail-safe shutdown, power sequencing control, or system-level analog isolation. The MAX4053AEPE datasheet specifies INH leakage of ±1µA and guarantees break-before-make behavior even during INH assertion.