Overview
The ADCMP395ARMZ-RL7, produced by Analog Devices Inc., is a dual, rail-to-rail input, low power comparator designed for general-purpose applications. This device operates from a supply voltage of 2.3 V to 5.5 V and is particularly suited for battery-powered systems due to its low power consumption of 37.2 µA. The ADCMP395 features a high accuracy reference output voltage of 1 V ± 0.9% and a common-mode input voltage range that extends 200 mV beyond the supply rails. It also includes an undervoltage lockout (UVLO) monitor that ensures the comparator output is logic low when the supply voltage is below the UVLO threshold.
Key Specifications
| Parameter | Rating/Value |
|---|---|
| Supply Voltage (VCC) | 2.3 V to 5.5 V |
| Supply Current | 37.2 µA |
| Common-Mode Input Voltage Range | 200 mV beyond the rails |
| Input Offset Voltage (VOS) | 1 mV typical |
| Reference Output Voltage | 1 V ± 0.9% |
| Operating Temperature Range | −40°C to +125°C |
| Package Type | 10-lead MSOP |
| Absolute Maximum Ratings - VCC Pin | −0.3 V to +6 V |
| Absolute Maximum Ratings - Input Pins | −0.3 V to +6 V |
| Absolute Maximum Ratings - Output Pins | −0.3 V to +6 V |
| Thermal Resistance (θJA) | 130 °C/W |
Key Features
- Rail-to-rail input capability allowing the input signal range to extend up to the supply voltage range.
- Low input offset voltage of 1 mV typical across the full common-mode range.
- High accuracy reference output voltage of 1 V ± 0.9%.
- Undervoltage lockout (UVLO) monitor ensuring a defined output state upon power-up.
- Open-drain output stage requiring an external pull-up resistor.
- Low power consumption, making it ideal for battery-powered systems.
- Operating temperature range of −40°C to +125°C.
Applications
- Battery management and monitoring.
- Power supply detection.
- Window comparators.
- Threshold detectors and discriminators.
- Microprocessor systems.
Q & A
- What is the supply voltage range of the ADCMP395? The ADCMP395 operates from a supply voltage of 2.3 V to 5.5 V.
- How much current does the ADCMP395 consume? The ADCMP395 consumes 37.2 µA of supply current.
- What is the common-mode input voltage range of the ADCMP395? The common-mode input voltage range extends 200 mV beyond the supply rails.
- What is the accuracy of the reference output voltage? The reference output voltage is 1 V ± 0.9%.
- What is the operating temperature range of the ADCMP395? The operating temperature range is −40°C to +125°C.
- What type of package is the ADCMP395 available in? The ADCMP395 is available in a 10-lead MSOP package.
- Does the ADCMP395 have an undervoltage lockout (UVLO) feature? Yes, the ADCMP395 includes an UVLO monitor that ensures the comparator output is logic low when the supply voltage is below the UVLO threshold.
- What is the thermal resistance of the ADCMP395 in its MSOP package? The thermal resistance (θJA) is 130 °C/W.
- What are some typical applications of the ADCMP395? Typical applications include battery management, power supply detection, window comparators, threshold detectors, and microprocessor systems.
- Does the ADCMP395 have open-drain outputs? Yes, the ADCMP395 has open-drain output stages that require an external pull-up resistor.
