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MAX9062EUK+T

ADIMAX9062EUK+T

Analog Devices Inc./Maxim Integrated
Comparator with Voltage Reference Open-Drain SOT-23-5
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Overview

The MAX9062EUK+T is an ultra-low-power single comparator featuring an integrated 0.2V voltage reference and open-drain output. Operating down to 1.0V with a typical supply current of only 400nA, it is specifically designed for monitoring signals in battery-constrained systems. The internal filtering provides high immunity to RF interference, making it stable in wireless environments.

Why Choose This Part

The primary advantage is the extremely low 400nA typical current consumption, which allows for 'always-on' operation in energy-sensitive designs. It integrates a 0.2V reference and 12mV of hysteresis into a tiny SOT-23-5 package, reducing component count and saving PCB real estate. The wide 1V to 5.5V supply range ensures compatibility with both low-voltage logic and standard lithium-ion battery stacks.

Applications

Battery Level Monitoring
Utilizes the internal 0.2V reference and ultra-low current draw to monitor cell voltages in portable electronics without significant battery drain.
Mobile Device Sensor Interfacing
Provides threshold detection for sensors in cell phones and media players where board space and power efficiency are critical.
Power-On Reset Circuits
Acts as a precision voltage supervisor to hold a system in reset until the power rail reaches a stable operating level.
Portable Medical Instrumentation
Used in wearable diagnostic tools to provide low-latency event detection while maximizing shelf life.

Key Specifications

Type with Voltage Reference
Hysteresis +/-12mV
Output Type Open-Drain
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
CMRR, PSRR (Typ) 53dB PSRR
Number of Elements 1
Operating Temperature -40degC ~ 85degC
Propagation Delay (Max) 15us
Supplier Device Package SOT-23-5
Current - Quiescent (Max) 1.1uA
Current - Input Bias (Max) 60pA @ 3.3V
Voltage - Supply, Single/Dual (+/-) 1V ~ 5.5V

Getting Started

To evaluate the MAX9062EUK+T, design a PCB footprint for the SOT-23-5 package and provide a pull-up resistor on the open-drain output to the desired logic level (up to 5.5V). Ensure the input signal stays within the -0.3V to 5.5V range. For prototyping, use a SOT-23 to DIP adapter board to interface with standard breadboards.

Also Consider

MCP6541 MCHPMicrochip Technology - Provides a push-pull output with a slightly higher current draw but faster propagation delay for high-speed switching.

Categories

Analog ICs > Comparators