Overview
The ADCMP393ARUZ, produced by Analog Devices Inc., is a quad rail-to-rail input, low power comparator designed for general-purpose applications. This device is part of the ADCMP391/ADCMP392/ADCMP393 family, which includes single, dual, and quad comparator configurations. The ADCMP393 is particularly suited for battery-powered systems due to its low voltage and low current operation, making it an ideal choice for applications requiring minimal power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 2.3 | 5.5 | V | ||
| Quiescent Current (ICC) | 26.8 | 36.8 | µA | All outputs in high-Z state, VOD = 0.1 V | |
| Common-Mode Input Range (VCMR) | -200 mV | VCC + 200 mV | V | ||
| Input Offset Voltage (VOS) | 0.5 | 2.5 | 2.5 | mV | INx+ = INx− = 1 V, VCC = 2.3 V, VOD = 100 mV |
| Operating Temperature Range | -40°C | +125°C | °C | ||
| Package Types | 14-lead TSSOP, 14-lead SOIC |
Key Features
- Rail-to-rail input capability, allowing the input signal range to extend up to 200 mV beyond the supply rails.
- Low power consumption: the quad comparator draws only 26.8 µA of supply current.
- Open-drain output stage requiring an external pull-up resistor to achieve the desired logic high voltage level.
- Undervoltage lockout (UVLO) monitor ensuring a defined output state upon power-up.
- Operating temperature range of -40°C to +125°C, making it suitable for a wide range of environments.
Applications
- Battery management and monitoring systems.
- Power supply detection and monitoring.
- Window comparators and threshold detectors/discriminators.
- Microprocessor systems requiring low power and reliable comparator functions.
Q & A
- What is the supply voltage range for the ADCMP393ARUZ? The supply voltage range is from 2.3 V to 5.5 V.
- How much current does the ADCMP393ARUZ consume? The quad comparator consumes 26.8 µA of supply current.
- What is the common-mode input voltage range for the ADCMP393ARUZ? The common-mode input voltage range is from -200 mV to VCC + 200 mV.
- What is the typical input offset voltage for the ADCMP393ARUZ? The typical input offset voltage is 2.5 mV.
- What are the package options for the ADCMP393ARUZ? The device is available in 14-lead TSSOP and 14-lead SOIC packages.
- What is the operating temperature range for the ADCMP393ARUZ? The operating temperature range is from -40°C to +125°C.
- Does the ADCMP393ARUZ have an undervoltage lockout (UVLO) feature? Yes, it includes a UVLO monitor to ensure a defined output state upon power-up.
- What type of output stage does the ADCMP393ARUZ have? The device has an open-drain output stage requiring an external pull-up resistor.
- What are some typical applications for the ADCMP393ARUZ? Typical applications include battery management, power supply detection, window comparators, and microprocessor systems.
- How does the ADCMP393ARUZ behave on power-up? On power-up, when VCC reaches 0.9 V, the comparator output is guaranteed to be low until the supply voltage exceeds the UVLO threshold.
