Overview
The LMV7219M7X/NOPB is a high-speed, low-power comparator produced by Texas Instruments. This device is part of the LMV7219 series and is specifically packaged in the SC-70 (DCK) package. It operates within a voltage range of 2.7 V to 5 V, making it ideal for single-supply applications. The LMV7219M7X/NOPB features a propagation delay of 7 ns and consumes only 1.1 mA of supply current at 5 V, making it suitable for power-sensitive and high-speed applications.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ - V−) | 2.7 | 5 | V | |
| Ambient Temperature | -40 | 85 | °C | |
| Junction Temperature | 125 | °C | ||
| PCB Temperature | 105 | °C | ||
| Propagation Delay (Overdrive = 5 mV, VCM = 0 V) | 12 | 7 | ns | |
| Supply Current (V+ = 5 V) | 1.1 | mA | ||
| Input Common Mode Voltage Range | -0.2 V below ground | 1 V below Vcc | V | |
| Rise and Fall Time | 1.3 | ns | ||
| Internal Hysteresis | 7 | mV |
Key Features
- Propagation delay of 7 ns
- Low supply current of 1.1 mA at 5 V
- Input common mode voltage range extends 200 mV below ground
- Internal hysteresis ensures clean switching
- Fast rise and fall time of 1.3 ns
- Available in space-saving SC-70 and SOT-23 packages
- Supports 105°C PCB temperature
- Rail-to-rail output
Applications
- Portable and battery-powered systems
- Scanners
- Set Top Boxes
- High Speed Differential Line Receiver
- Window Comparators
- Zero-crossing Detectors
- High-speed Sampling Circuits
Q & A
- What is the operating voltage range of the LMV7219M7X/NOPB?
The operating voltage range is from 2.7 V to 5 V. - What is the propagation delay of the LMV7219M7X/NOPB?
The propagation delay is 7 ns. - How much supply current does the LMV7219M7X/NOPB consume at 5 V?
The device consumes 1.1 mA of supply current at 5 V. - What is the input common mode voltage range of the LMV7219M7X/NOPB?
The input common mode voltage range extends 200 mV below ground to 1 V below Vcc. - Does the LMV7219M7X/NOPB have internal hysteresis?
Yes, it has internal hysteresis of 7 mV. - In what packages is the LMV7219M7X/NOPB available?
The device is available in SC-70 and SOT-23 packages. - What is the maximum PCB temperature the LMV7219M7X/NOPB can support?
The device supports up to 105°C PCB temperature. - What are some typical applications of the LMV7219M7X/NOPB?
Typical applications include portable and battery-powered systems, scanners, set top boxes, high-speed differential line receivers, window comparators, zero-crossing detectors, and high-speed sampling circuits. - How should the power supply be decoupled for the LMV7219M7X/NOPB?
The power supply should be decoupled with low inductance, often ceramic, capacitors to ground less than 0.5 inches from the device pins. - What layout guidelines should be followed for the LMV7219M7X/NOPB?
Follow guidelines such as keeping all leads short, using a good ground plane, and keeping input traces away from output traces.
