Analog Devices Inc./Maxim Integrated MAX985EUK-TG002

Overview

MAX985EUK-TG002 from Maxim Integrated is a micropower, low-voltage, rail-to-rail input/output comparator in SC70-5 package, operating from 2.5V to 5.5V supply, with 1.7µA typical supply current, 4.5µs propagation delay, and ±1mV input offset voltage. It serves as a precision threshold detector in battery-powered sensor interfaces and portable analog signal conditioning circuits.

For engineers reviewing the MAX985EUK-TG002 datasheet, MAX985EUK-TG002 pinout, MAX985EUK-TG002 application, or MAX985EUK-TG002 equivalent, key selection criteria include ultra-low quiescent current, rail-to-rail I/O swing, SC70-5 footprint compatibility, and guaranteed performance over −40°C to +85°C industrial temperature range.

Technical Context

The MAX985EUK-TG002 employs a CMOS input stage enabling rail-to-rail input common-mode range and rail-to-rail output swing. Its internal hysteresis is not present-output behavior is strictly comparator-based without built-in Schmitt-trigger action.

Designed for single-supply operation down to 2.5V, it delivers consistent 4.5µs propagation delay across supply and temperature, with input offset voltage specified at ±1mV (max) and supply current tightly controlled at 1.7µA (typ) at 2.7V.

Key Specifications

Pinout & Package

MAX985EUK-TG002 is housed in a 5-pin SC70 package (2.0mm × 1.25mm, 0.95mm height), compatible with standard SC70 reflow profiles and space-constrained PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV3691IDCKR and MAX986EUK+T, the MAX985EUK-TG002 uniquely balances ultra-low 1.7µA current, guaranteed 2.5V operation, and 4.5µs speed in SC70-5-making it optimal for long-life, low-voltage wake-up and monitoring functions where both power and minimum supply margin matter.

Availability

MAX985EUK-TG002 is available at Aetrix Electronics and suitable for battery voltage monitoring, sensor threshold detection, window comparator input stages, and power-on reset generation requiring stable component supply and long-term industrial availability.

Supply support for MAX985EUK-TG002 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 portable applications.

The MAX985EUK-TG002 belongs to Maxim's micropower comparator product line, engineered specifically for ultra-low-power sensing, battery monitoring, and wake-up circuitry in space- and energy-constrained systems.

FAQ

What is the minimum operating supply voltage for MAX985EUK-TG002?

The MAX985EUK-TG002 is fully specified from 2.5V to 5.5V. At 2.5V, it maintains guaranteed propagation delay ≤6.5µs, input offset voltage ≤±2mV, and rail-to-rail input/output functionality. This makes MAX985EUK-TG002 suitable for early-stage brown-out detection in Li-ion systems where supply may dip near 2.5V before shutdown.

Does MAX985EUK-TG002 include internal hysteresis?

No, the MAX985EUK-TG002 does not include internal hysteresis. Its output transitions cleanly at the input threshold without Schmitt-trigger behavior. External hysteresis must be added via positive feedback if noise immunity is required in the application. This design choice preserves precision and predictability for calibrated threshold detection, unlike hysteretic comparators such as the MAX9021.

Can MAX985EUK-TG002 drive a standard CMOS logic input directly?

Yes, the MAX985EUK-TG002 features a rail-to-rail CMOS push-pull output capable of directly driving standard 3.3V or 5V CMOS logic inputs without external pull-up resistors. At V_CC = 3.3V, its high-level output is ≥3.1V and low-level output is ≤0.2V under 100µA load, satisfying CMOS VIH/VIL thresholds across temperature and process variation.

What is the thermal performance of MAX985EUK-TG002 in SC70-5 package?

The MAX985EUK-TG002 in SC70-5 has a junction-to-ambient thermal resistance (θ_JA) of 325°C/W per Maxim's package characterization. At 1.7µA supply current and 3.3V supply, power dissipation is ~5.6µW, resulting in negligible self-heating (<0.002°C rise). This ensures stable DC accuracy in unventilated enclosures and ambient temperatures up to +85°C.

Is MAX985EUK-TG002 pin-compatible with other SC70-5 comparators like MAX9021 or MAX9063?

No, MAX985EUK-TG002 is not pin-compatible with MAX9021 or MAX9063. While all three use SC70-5, their pinouts differ: MAX985EUK-TG002 uses IN+, IN−, GND, OUT, V_CC; MAX9021 places V_CC at pin 5 but assigns pin 1 to OUT; MAX9063 uses different pin mapping entirely. PCB layout must be verified against each device's specific pinout diagram before substitution.