Overview
The LMV7275-Q1, produced by Texas Instruments, is a single rail-to-rail input low power comparator designed for various low-voltage and low-power applications. This component is AEC-Q100 qualified, making it suitable for automotive and other demanding environments. It operates at supply voltages of 1.8 V, 2.7 V, and 5 V, consuming as little as 9 µA of supply current per channel. The LMV7275-Q1 features an open-drain output stage, allowing for wired-OR configurations and level-shifting applications. It is built using Texas Instruments' advanced submicron silicon-gate BiCMOS process, ensuring improved noise performance and low negative output swing.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 1.8 | - | 5.5 | V |
| Supply Current per Channel | - | 9 | - | µA |
| Input Bias Current | - | 10 | - | nA |
| Input Offset Current | - | 200 | - | pA |
| Propagation Delay (tPLH) at 20 mV Overdrive | - | 880 | - | ns |
| Input Common Mode Voltage Range | -0.1 V below V- | - | 0.1 V above V+ | V |
| Ambient Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | SC-70 (5-pin) | - | - |
Key Features
- AEC-Q100 Qualified: Suitable for automotive applications with a temperature range of -40°C to 85°C.
- Low Power Consumption: Ultra-low supply current of 9 µA per channel.
- Rail-to-Rail Input Stage: Input common mode voltage range extends 0.1 V beyond the supply rails.
- Open-Drain Output: Allows for wired-OR configurations and level-shifting applications.
- Low Input Bias and Offset Currents: 10 nA input bias current and 200 pA input offset current.
- Low Propagation Delay: 880 ns propagation delay at 20 mV overdrive.
- Compact Package: Available in a small SC-70 package, reducing PCB area.
Applications
- Automotive Systems: Ideal for power supply monitoring circuits and other automotive applications.
- Wearable Devices: Suitable for low-power, space-critical designs.
- Mobile Phones and Tablets: Used in battery-powered electronics and general-purpose low-voltage applications.
- General Purpose Low Voltage Applications: Can be used in various low-voltage and low-power designs.
- Window Comparator: Can be configured as a window comparator for specific voltage range monitoring.
Q & A
- What is the supply voltage range of the LMV7275-Q1?
The LMV7275-Q1 operates at supply voltages of 1.8 V, 2.7 V, and 5 V, with a maximum of 5.5 V.
- What is the typical supply current consumption of the LMV7275-Q1?
The typical supply current consumption is 9 µA per channel.
- What is the input common mode voltage range of the LMV7275-Q1?
The input common mode voltage range extends 0.1 V beyond the supply rails.
- What type of output stage does the LMV7275-Q1 have?
The LMV7275-Q1 features an open-drain output stage.
- What is the propagation delay of the LMV7275-Q1 at 20 mV overdrive?
The propagation delay is typically 880 ns at 20 mV overdrive.
- What package type is the LMV7275-Q1 available in?
The LMV7275-Q1 is available in a SC-70 (5-pin) package.
- Is the LMV7275-Q1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified and suitable for automotive applications.
- What are some common applications of the LMV7275-Q1?
It is used in automotive systems, wearable devices, mobile phones and tablets, and general-purpose low-voltage applications.
- How does the open-drain output of the LMV7275-Q1 benefit its usage?
The open-drain output allows for wired-OR configurations and level-shifting applications.
- What is the ambient operating temperature range of the LMV7275-Q1?
The ambient operating temperature range is -40°C to 85°C.
