Overview
The LMH7220MK/NOPB, produced by Texas Instruments, is a high-speed comparator with an LVDS (Low-Voltage Differential Signaling) output. This device is designed for applications requiring fast and accurate signal comparison. It operates over a wide supply voltage range of 2.7V to 12V, making it versatile for various system designs. The LMH7220 features low power consumption and high-speed performance, with a propagation delay of 2.9 ns and rise/fall times of 0.6 ns. This component is particularly useful in applications where rapid signal processing and precise triggering are essential.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Propagation Delay @ 100 mV Overdrive | 2.9 ns | ns |
| Rise and Fall Times | 0.6 ns | ns |
| Supply Voltage | 2.7V to 12V | V |
| Supply Current (at 5V) | 6.8 mA | mA |
| Temperature Range | −40°C to 125°C | °C |
| Input Voltage Range | −0.2 VCC−2 V | V |
| Common-Mode Rejection Ratio | 60 to 70 dB | dB |
| Power Supply Rejection Ratio | 63 to 74 dB | dB |
| Output Voltage Differential | 250 to 320 mV | mV |
Key Features
- High-speed comparator with LVDS output
- Propagation delay of 2.9 ns and rise/fall times of 0.6 ns
- Wide supply voltage range of 2.7V to 12V
- Low power consumption: 6.8 mA at 5V
- Temperature range: −40°C to 125°C
- Input voltage range extends 200 mV below ground, enabling ground sensing applications
- Available in a 6-Pin SOT package, ideal for space-critical applications
Applications
- Acquisition trigger
- Oscilloscope triggering
- Fast differential line receiver
- Pulse height analyzer
- Peak detector
- Pulse width modulator
- Remote threshold detection
Q & A
- What is the propagation delay of the LMH7220?
The propagation delay of the LMH7220 is 2.9 ns at 100 mV overdrive. - What is the rise and fall time of the LMH7220?
The rise and fall times of the LMH7220 are 0.6 ns. - What is the supply voltage range of the LMH7220?
The supply voltage range of the LMH7220 is 2.7V to 12V. - How much current does the LMH7220 consume at 5V supply voltage?
The LMH7220 consumes 6.8 mA of supply current at 5V. - What is the temperature range of the LMH7220?
The temperature range of the LMH7220 is −40°C to 125°C. - What is the common-mode rejection ratio of the LMH7220?
The common-mode rejection ratio of the LMH7220 is 60 to 70 dB. - What is the power supply rejection ratio of the LMH7220?
The power supply rejection ratio of the LMH7220 is 63 to 74 dB. - What is the output voltage differential of the LMH7220?
The output voltage differential of the LMH7220 is 250 to 320 mV. - In what package is the LMH7220 available?
The LMH7220 is available in a 6-Pin SOT package. - What are some typical applications of the LMH7220?
Typical applications include acquisition trigger, oscilloscope triggering, fast differential line receiver, pulse height analyzer, peak detector, pulse width modulator, and remote threshold detection.
