Overview
The LMV762MA/NOPB is a precision comparator from Texas Instruments, designed to meet the demands of small size, low power, and high performance required by portable and battery-operated electronics. This device is part of the LMV76x family, which includes single and dual comparators. The LMV762MA/NOPB is a dual comparator, offering two independent comparison channels in a single package. It features a CMOS input stage and a push-pull output stage, eliminating the need for an external pull-up resistor. The device operates over an extended temperature range of -40°C to +125°C, making it suitable for a wide range of applications, including automotive systems where it is AEC-Q100 qualified.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ - V-) | 2.7 | 5.25 | V | |
| Temperature Range | -40 | 125 | °C | |
| Input Offset Voltage (VOS) | 200 | 1 | μV/mV | |
| Input Bias Current (IB) | 0.2 | 50 | pA | |
| Propagation Delay (tPD) | 120 | ns | ||
| Supply Current (IS) | 275 | 700 | 1400 | μA |
| Output Rise Time (tr) | 1.7 | ns | ||
| Output Fall Time (tf) | 1.8 | ns | ||
| Turn-on Time from Shutdown (ton) | 4 | μs |
Key Features
- CMOS Input Stage: Provides low input bias current and high input impedance.
- Push-Pull Output Stage: Eliminates the need for an external pull-up resistor.
- Low Power Consumption: Typical supply current of 700 μA per comparator.
- High Speed: Propagation delay of 120 ns.
- Extended Temperature Range: Operates from -40°C to +125°C.
- AEC-Q100 Qualified: Suitable for automotive applications.
- Small Package Options: Available in SOIC and VSSOP packages.
- Shutdown Feature: Active low shutdown pin to reduce power consumption.
Applications
- Portable and Battery-Operated Electronics: Ideal for devices requiring low power and high performance.
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive applications.
- Programmable Square-Wave Oscillators: Can be used in circuits generating square waves with adjustable periods.
- Threshold Detectors: Useful in applications requiring precise voltage level detection.
- Industrial Control Systems: Suitable for various industrial control and monitoring applications.
Q & A
- What is the operating temperature range of the LMV762MA/NOPB?
The LMV762MA/NOPB operates over a temperature range of -40°C to +125°C.
- What is the typical supply current of the LMV762MA/NOPB?
The typical supply current is 700 μA per comparator.
- What is the propagation delay of the LMV762MA/NOPB?
The propagation delay is 120 ns.
- Does the LMV762MA/NOPB require an external pull-up resistor?
No, it features a push-pull output stage that eliminates the need for an external pull-up resistor.
- Is the LMV762MA/NOPB suitable for automotive applications?
- What are the available package options for the LMV762MA/NOPB?
- Does the LMV762MA/NOPB have a shutdown feature?
- What is the typical input offset voltage of the LMV762MA/NOPB?
- What is the common-mode rejection ratio (CMRR) of the LMV762MA/NOPB?
- Can the LMV762MA/NOPB be used in programmable square-wave oscillators?
