Overview
The LMV7239M5X is an ultra-low power, low voltage comparator from National Semiconductor, now part of Texas Instruments. This device is designed for high-speed applications and features a rail-to-rail input stage and a push-pull output stage. It operates over a supply voltage range of 2.7V to 5.5V, making it versatile for various low-power systems.
Key Specifications
| Parameter | Value |
|---|---|
| Comparator Type | General Purpose |
| Number of Comparators | 1 |
| Output Type | Push-Pull / Open Drain |
| Response Time | 45 ns (typical), 75 ns (maximum) |
| Supply Current | 65 µA at 5V, 95 µA (maximum) |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Input Bias Current | 400 nA |
| Input Offset Voltage (Vos) | 6 mV |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | SOT-23-5 |
| RoHS Compliance | Yes |
Key Features
- Ultra-low power consumption: 65 µA at 5V supply voltage.
- Low voltage operation: 2.7V to 5.5V supply voltage range.
- High-speed operation: 45 ns propagation delay.
- Rail-to-rail input stage: Allows input common mode voltage range to extend 200mV below ground and 200mV above supply voltage.
- Push-pull output stage: Enables operation without the need for an external pull-up resistor.
- Open-drain output option (LMV7235): Can be used as a level shifter by connecting an external resistor.
- Low input offset voltage: 6 mV at 25°C.
- High common mode rejection ratio: 67 dB.
Applications
- Battery-powered devices: Due to its ultra-low power consumption, it is ideal for battery-powered systems.
- Portable electronics: Suitable for use in portable electronics where low power and high speed are critical.
- Industrial control systems: Can be used in industrial control systems requiring fast and accurate comparisons.
- Medical devices: Applicable in medical devices where low power and high precision are necessary.
- Automotive systems: Can be used in automotive systems due to its wide operating temperature range and low power consumption.
Q & A
- What is the supply voltage range of the LMV7239M5X?
The supply voltage range is from 2.7V to 5.5V.
- What is the typical propagation delay of the LMV7239M5X?
The typical propagation delay is 45 ns, with a maximum of 75 ns.
- What is the input bias current of the LMV7239M5X?
The input bias current is 400 nA.
- Does the LMV7239M5X have a rail-to-rail input stage?
- What is the output type of the LMV7239M5X?
The output type is push-pull, with an open-drain option available in the LMV7235 model.
- Is the LMV7239M5X RoHS compliant?
- What is the operating temperature range of the LMV7239M5X?
The operating temperature range is from -40°C to 85°C.
- What package type does the LMV7239M5X come in?
- What is the typical supply current of the LMV7239M5X at 5V supply voltage?
- Can the LMV7239M5X be used in automotive systems?
