Analog Devices Inc./Maxim Integrated MAX6376XR23+T

Overview

MAX6376XR23+T from Maxim Integrated is an ultra-low-power, active-high push-pull voltage detector designed for precision supply monitoring in battery-powered systems. It features a factory-trimmed 2.32V threshold (±2.5% over temperature), 500nA supply current, and guaranteed operation down to 1V VCC. It asserts a logic-high output when VCC falls below threshold, enabling reliable reset generation in portable medical devices and low-power IoT sensors.

For engineers reviewing the MAX6376XR23+T datasheet, MAX6376XR23+T pinout, MAX6376XR23+T application, or MAX6376XR23+T equivalent, key selection criteria include its active-high push-pull output configuration, SC70-3 package footprint, 2.32V trip point with hysteresis, and immunity to sub-20µs VCC transients - critical for stable brownout detection in energy-constrained designs.

Technical Context

The MAX6376XR23+T implements a precision bandgap reference and comparator with internally trimmed resistors to set its 2.32V threshold. Its active-high push-pull output drives high (VOH ≥ 0.8×VCC) when VCC drops below VTH and low (VOL ≤ 0.4V at 1.2mA sink) otherwise, eliminating external pull-up components. Output state is guaranteed correct down to 1V VCC.

It rejects fast negative-going VCC transients via internal filtering - maximum allowable glitch duration is <20µs at 100mV overdrive - and exhibits ±2.5% threshold accuracy across -40°C to +85°C. Propagation delay is 6.3µs (typical) for falling edge detection under full temperature range.

Key Specifications

Pinout & Package

MAX6376XR23+T is housed in a 3-pin SC70-3 package (2.0mm × 2.1mm, 0.65mm pitch), optimized for space-constrained portable PCBs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV803EB23DBZR and TPS3801K23DBVR, MAX6376XR23+T uniquely combines 2.32V accuracy, 500nA current, active-high push-pull output, and SC70-3 size - making it optimal for next-gen miniaturized battery systems where every nanoamp and square millimeter matters.

Availability

MAX6376XR23+T is available at Aetrix Electronics and suitable for wearable health monitors, smart sensor nodes, industrial handheld scanners, and low-power RTOS gateways requiring stable component supply with lead-free compliance and tape-and-reel delivery.

Supply support for MAX6376XR23+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 and mixed-signal ICs for power, sensing, and interface applications, with emphasis on low-power, high-reliability solutions.

The MAX6375–MAX6380 family was engineered specifically for ultra-low-power voltage monitoring in portable and battery-critical systems, delivering factory-trimmed thresholds and nanoscale current consumption without external components.

FAQ

What is the exact reset threshold voltage of MAX6376XR23+T and how stable is it over temperature?

The MAX6376XR23+T has a nominal reset threshold of 2.32V, with ±2.5% accuracy guaranteed over the full -40°C to +85°C operating range. This stability is achieved via on-chip bandgap reference and laser-trimmed resistors, eliminating need for external calibration. At +25°C, typical variation is ±1.5%, and the device maintains valid output logic state down to 1V VCC.

Does MAX6376XR23+T require any external components to function?

No, MAX6376XR23+T requires zero external components. Its precision bandgap reference, comparator, and threshold-setting resistors are fully integrated. The active-high push-pull output drives directly into microcontroller reset pins without pull-up resistors, and its internal transient filter rejects short VCC glitches - simplifying layout and reducing BOM count.

What package type and footprint does MAX6376XR23+T use, and is it RoHS-compliant?

MAX6376XR23+T uses the SC70-3 package (2.0mm × 2.1mm, 0.65mm pitch), marked "ADM" on top. It is supplied in lead-free, RoHS-compliant form - indicated by the "+T" suffix - and shipped only in tape-and-reel format per standard ordering requirements.

How does the output behavior of MAX6376XR23+T differ from MAX6375 or MAX6377 variants?

Unlike MAX6375 (active-low push-pull) and MAX6377 (active-low open-drain), MAX6376XR23+T provides an active-high push-pull output: OUT goes logic high when VCC falls below 2.32V and returns low when VCC recovers above threshold + hysteresis. This eliminates need for external inverters or pull-ups in systems requiring high-true reset signaling.

Can MAX6376XR23+T monitor a 1.8V supply rail reliably?

Yes, MAX6376XR23+T operates from 1.2V to 5.5V VCC and guarantees correct output logic state down to 1V. When monitoring a 1.8V rail, its 2.32V threshold will not trigger - confirming it is intended for higher-voltage rails like 2.5V, 3.0V, or 3.3V systems. For 1.8V monitoring, select a variant with lower threshold (e.g., MAX6376XR22+T at 2.20V) or alternate family.