Overview
The ADCMP393ARZ is a quad general-purpose rail-to-rail input comparator produced by Analog Devices Inc. This integrated circuit is designed for low voltage and low current operation, making it ideal for battery-powered systems and various general-purpose applications. The comparator features a wide common-mode input voltage range and operates from a single supply voltage of 2.3 V to 5.5 V, drawing minimal current.
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 | |
| Input Offset Voltage (VOS) | 0.5 | 2.5 | 2.5 | mV | INx+ = INx− = 1 V |
| Input Bias Current (IB) | 30 | nA | |||
| Propagation Delay (tPD) | 4.2 | µs | VCM = 1 V, VCC = 5 V, VOD = 100 mV | ||
| Common-Mode Input Range (VCMR) | -200 mV | VCC + 200 mV | |||
| Operating Temperature Range | -40 | 125 | °C | ||
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
Key Features
- Rail-to-Rail Input: The comparator can operate with input signals that extend up to 200 mV beyond the supply rails, making it versatile for various applications.
- Low Power Consumption: The ADCMP393 draws a minimal quiescent current of 26.8 µA to 36.8 µA, making it suitable for battery-powered systems.
- Open-Drain Output: The comparator features an open-drain output stage that requires an external pull-up resistor to achieve the desired logic high voltage level.
- Wide Operating Temperature Range: The device operates over a temperature range of -40°C to 125°C, ensuring reliability in diverse environmental conditions.
- High CMRR and PSRR: The comparator has a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), ensuring stable operation despite variations in the supply voltage.
Applications
- Battery Management/Monitoring: Ideal for monitoring battery levels and detecting under/overvoltage conditions in battery-powered systems.
- Power Supply Detection: Can be used to detect power supply voltages and ensure proper system operation.
- Window Comparators and Threshold Detectors/Discriminators: Suitable for applications requiring precise voltage comparisons and threshold detection.
- Microprocessor Systems: Can be integrated into microprocessor systems for various monitoring and detection tasks.
Q & A
- What is the supply voltage range of the ADCMP393ARZ?
The ADCMP393ARZ operates from a single supply voltage of 2.3 V to 5.5 V.
- How much quiescent current does the ADCMP393ARZ draw?
The quiescent current of the ADCMP393ARZ is between 26.8 µA and 36.8 µA.
- What is the common-mode input range of the ADCMP393ARZ?
The common-mode input range extends 200 mV beyond the supply rails.
- What is the propagation delay of the ADCMP393ARZ?
The propagation delay is up to 4.2 µs.
- What is the operating temperature range of the ADCMP393ARZ?
The operating temperature range is -40°C to 125°C.
- What type of output does the ADCMP393ARZ have?
The ADCMP393ARZ has an open-drain output stage.
- What are some common applications of the ADCMP393ARZ?
Common applications include battery management, power supply detection, window comparators, and microprocessor systems.
- Is the ADCMP393ARZ RoHS compliant?
Yes, the ADCMP393ARZ is RoHS compliant.
- What is the package type of the ADCMP393ARZ?
The package type is 14-SOIC (0.154", 3.90mm Width).
- How many comparators are included in the ADCMP393ARZ?
The ADCMP393ARZ includes four comparators.
