Analog Devices Inc./Maxim Integrated MAX40014ANS09+T

Overview

MAX40014ANS09+T from Analog Devices is a nanoPower, noninverting-input, push-pull output comparator with factory-trimmed 0.9V internal reference voltage, operating from 1.7V to 5.5V supply and consuming only 500nA typical supply current. It features 0.1V to 5.5V input voltage range independent of supply, 8mV typical internal hysteresis, and -40°C to +125°C automotive temperature rating - ideal for battery-critical voltage monitoring in portable medical sensors.

For engineers reviewing the MAX40014ANS09+T datasheet, MAX40014ANS09+T pinout, MAX40014ANS09+T application, or MAX40014ANS09+T equivalent, key selection considerations include its 0.9V internal reference accuracy (±18mV over -40°C to +125°C), push-pull output eliminating external pull-up, ultra-low quiescent current, WLP package footprint (0.73mm × 0.73mm), and guaranteed operation across full automotive temperature range.

Technical Context

The MAX40014ANS09+T implements a BiCMOS input stage enabling rail-to-rail input operation beyond VCC (up to +6V absolute max), while maintaining high input impedance even when powered down (VCC = 0V). Its internal 0.9V reference is temperature-compensated and integrated directly into the comparator's trip-point generation.

This device uses a push-pull output stage capable of sourcing 1mA (VOH ≤ VCC − 0.4V) and sinking 2mA (VOL ≤ 0.4V), delivering fast 9µs propagation delay (high-to-low) and 25µs (low-to-high) at 100mV overdrive - optimized for low-latency threshold detection without external biasing components.

Key Specifications

Pinout & Package

MAX40014ANS09+T is packaged in a 4-bump wafer-level package (WLP) with 0.73mm × 0.73mm footprint and 0.35mm pitch. The WLP has no leads; terminals are solder bumps arranged in a 2×2 grid.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MAX40012ANS09+T and TLV7011DBVR, MAX40014ANS09+T uniquely combines factory-trimmed 0.9V reference, push-pull output, and WLP packaging - delivering lowest BOM count, smallest footprint, and longest battery life for fixed-threshold detection at exactly 0.9V.

Availability

MAX40014ANS09+T is available at Aetrix Electronics and suitable for portable medical devices, battery management systems, and automotive cabin sensors requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MAX40014ANS09+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

Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets with precision signal chain solutions.

MAX40014ANS09+T belongs to the MAX400xx nanoPower comparator family, designed specifically for space- and energy-constrained applications where ultra-low quiescent current, integrated references, and miniature packaging are mandatory.

FAQ

What is the internal reference voltage tolerance of MAX40014ANS09+T over temperature?

The MAX40014ANS09+T features a factory-trimmed 0.9V internal reference with ±18mV (±2%) tolerance over the full −40°C to +125°C operating range, as specified in the Electrical Characteristics table on page 4 of the datasheet. This accuracy is maintained without external calibration or trimming components, making MAX40014ANS09+T suitable for precision threshold detection in automotive and industrial environments where thermal drift must be minimized.

Does MAX40014ANS09+T require an external pull-up resistor on the output?

No, MAX40014ANS09+T does not require an external pull-up resistor because it features a push-pull output stage capable of both sourcing and sinking current. Unlike open-drain comparators such as MAX40012ANS09+T, the MAX40014ANS09+T output can drive CMOS or TTL logic inputs directly - simplifying design, reducing component count, and eliminating potential timing delays introduced by RC time constants from external pull-ups.

Can MAX40014ANS09+T operate with input voltages exceeding its supply voltage?

Yes, MAX40014ANS09+T supports input voltages from 0.1V to 6V - including values exceeding VCC - due to its innovative BiCMOS input architecture without ESD diode clamps to VCC. This allows direct monitoring of battery cells, sensor outputs, or other signals that may swing beyond the 1.7V–5.5V supply rail, provided absolute maximum ratings (IN to GND = −0.3V to +6V) are respected. This capability is confirmed in the Absolute Maximum Ratings table and Detailed Description section of the MAX40014ANS09+T datasheet.

What is the propagation delay performance of MAX40014ANS09+T at low supply voltages?

At VCC = 1.8V and 100mV overdrive, MAX40014ANS09+T achieves 9µs high-to-low and 25µs low-to-high propagation delay, as shown in the Typical Operating Characteristics plot "Propagation Delay vs. Supply Voltage" (Figure toc08). This consistent timing performance across 1.7V–5.5V enables reliable real-time threshold detection in ultra-low-voltage systems such as energy-harvesting nodes or coin-cell-powered devices - a key advantage confirmed in the Electrical Characteristics table under tPD parameter.

How does the input bias current of MAX40014ANS09+T impact high-impedance sensor interfacing?

MAX40014ANS09+T exhibits ≤30nA input bias current over −40°C to +85°C and ≤90nA over −40°C to +125°C, minimizing voltage error when interfacing with high-impedance sources like thermistors, photodiodes, or pH electrodes. Its input capacitance is only 0.4pF, further reducing signal loading and phase shift - critical for maintaining accuracy in precision analog front-ends. These values are explicitly listed in the Electrical Characteristics table on page 2 of the MAX40014ANS09+T datasheet.