Analog Devices Inc./Maxim Integrated MAX995ESD+T

Overview

MAX995ESD+T from Maxim Integrated is a quad micropower comparator with rail-to-rail inputs and push-pull outputs, operating from +2.5V to +5.5V single supply or ±1.25V to ±2.75V dual supply. It delivers 120ns propagation delay, 48μA per comparator quiescent current, and ±0.5mV typical input offset voltage. Used in battery-powered threshold detection and zero-crossing circuits where low power and fast response are critical.

For engineers reviewing the MAX995ESD+T datasheet, MAX995ESD+T pinout, MAX995ESD+T application, or MAX995ESD+T equivalent, this page provides verified technical context, package-specific pin mapping, real-world application use cases, and validated alternative options for industrial sensing, portable instrumentation, and level-detection subsystems.

Technical Context

The MAX995ESD+T integrates four independent comparators sharing a common supply domain, each featuring rail-to-rail input stage with ±0.25V beyond rails common-mode range and push-pull output capable of sourcing/sinking 8mA. Internal hysteresis of ±2.5mV ensures clean switching on slow-moving signals without external components.

Its unique output stage minimizes supply-current surges during transitions-measured at only 100μA at 1MHz switching-reducing need for large decoupling capacitors. Input bias current is typically 1.0pA, enabling high-impedance sensor interfacing without significant loading error.

Key Specifications

Pinout & Package

MAX995ESD+T is housed in a 14-pin SO (Small Outline) package (PKG CODE S14-4), 8.7mm × 4.0mm footprint, 1.75mm height, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad comparator applications.

Compared with MAX995ESD+T, LM339DR offers lower unit cost but sacrifices speed, input range, and power efficiency; TLV3704IPW achieves nanoamp quiescent current but cannot meet sub-200ns timing demands-making MAX995ESD+T the optimal balance for high-speed, low-voltage, quad-channel detection.

Availability

MAX995ESD+T is available at Aetrix Electronics and suitable for battery-powered instrumentation, industrial sensor interfaces, and precision threshold-detection systems requiring stable component supply across long production lifecycles.

Supply support for MAX995ESD+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, medical, and communications applications.

The MAX995ESD+T belongs to Maxim's high-speed micropower comparator family, engineered specifically for low-voltage, low-power sensing and signal-conditioning tasks where rail-to-rail performance and nanosecond timing are essential.

FAQ

What is the maximum capacitive load the MAX995ESD+T output can drive while maintaining 120ns propagation delay?

The MAX995ESD+T maintains ≤120ns propagation delay (at 100mV overdrive) with up to 15pF capacitive load (VCC = 5V). At 50pF, delay increases to 20ns; at 200pF, it reaches 40ns. For loads >50pF, add series resistance near the output to isolate capacitance and preserve timing integrity in the MAX995ESD+T circuit.

Does the MAX995ESD+T support dual-supply operation, and what are the valid voltage ranges?

Yes, the MAX995ESD+T supports dual-supply operation from ±1.25V to ±2.75V (i.e., VCC = +1.25V to +2.75V, VEE = −1.25V to −2.75V). Total supply voltage (VCC − VEE) must not exceed 6V. This enables true bipolar signal handling-for example, ±2.5V input ranges-with rail-to-rail output swing referenced to the dual rails in the MAX995ESD+T design.

Can the MAX995ESD+T be used with input voltages below ground or above VCC, and what protection exists?

Yes-the MAX995ESD+T input common-mode range extends to VEE − 0.25V and VCC + 0.25V. Inputs are protected by internal body diodes that conduct when driven beyond rails; however, input current must be limited to ±20mA (absolute max) to prevent damage. For sustained overrail operation, external series resistors are recommended in the MAX995ESD+T application.

How does the internal hysteresis of the MAX995ESD+T affect threshold accuracy, and can it be disabled?

The MAX995ESD+T includes fixed ±2.5mV internal hysteresis to prevent oscillation on slow or noisy inputs-it cannot be disabled. This adds 5mV total hysteresis bandwidth around the trip point. For applications requiring tighter thresholds, select the reference voltage and input divider to center the desired threshold within the hysteresis band of the MAX995ESD+T.

Is the MAX995ESD+T pin-compatible with other devices in the MAX99x family, such as the MAX995EUD?

No-MAX995ESD+T (14-pin SO) and MAX995EUD (14-pin TSSOP) share identical electrical specifications and pin functions but differ in package dimensions and thermal characteristics. They are functionally interchangeable but require separate PCB footprints; neither is pin-compatible with MAX991/MAX992 (8-pin μMAX/SO) or MAX987/MAX988 (5-pin SC70) due to different pin counts and layouts in the MAX995ESD+T family.