Overview
The TLV3491AIDBVRG4 is a single nanopower push-pull output comparator manufactured by Texas Instruments. This component is part of the TLV349x family, known for its low power consumption and high speed. It is designed for use in a wide range of low-voltage applications, including battery-powered devices and ultra-low power systems. The comparator features a fast response time of 6 µs and operates on a supply voltage from 1.8 V to 5.5 V, making it ideal for space-constrained and portable applications.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 1.8 | - | 5.5 | V |
| Supply Current (IQ) | - | 0.8 | 1.2 | µA |
| Response Time | - | 6 | - | µs |
| Input Offset Voltage (VOS) | ±3 | - | ±15 | mV |
| Input Bias Current (IB) | ±1 | - | ±10 | pA |
| Common-Mode Voltage Range | -0.2 V (V-) | - | +0.2 V (V+) | V |
| Package | - | - | SOT-23 (DBV) 5-pin | - |
Key Features
- Very low supply current: 0.8 µA (typical)
- High speed: 6 µs response time
- Push-pull CMOS output stage with no shoot-through current
- Input common-mode range beyond supply rails
- Operating voltage range: 1.8 V to 5.5 V (or ±0.9 V to ±2.75 V dual supply)
- Input overvoltage protection with ESD diodes
- Micro-sized packages: SOT-23 (DBV) 5-pin
Applications
- Portable medical equipment
- Wireless security systems
- Remote control systems
- Handheld instruments
- Ultra-low power systems
- Battery-powered applications with single-cell operation
Q & A
- What is the typical supply current of the TLV3491AIDBVRG4?
The typical supply current is 0.8 µA.
- What is the response time of the TLV3491AIDBVRG4?
The response time is 6 µs.
- What is the operating voltage range of the TLV3491AIDBVRG4?
The operating voltage range is from 1.8 V to 5.5 V (or ±0.9 V to ±2.75 V dual supply).
- What type of output stage does the TLV3491AIDBVRG4 have?
The TLV3491AIDBVRG4 has a push-pull CMOS output stage.
- Does the TLV3491AIDBVRG4 have input overvoltage protection?
- What are the common applications of the TLV3491AIDBVRG4?
Common applications include portable medical equipment, wireless security systems, remote control systems, handheld instruments, and ultra-low power systems.
- What package type is the TLV3491AIDBVRG4 available in?
The TLV3491AIDBVRG4 is available in a SOT-23 (DBV) 5-pin package.
- Can the TLV3491AIDBVRG4 operate beyond the supply rails?
- How does the TLV3491AIDBVRG4 handle noisy input signals?
The comparator inputs have no noise immunity within the range of specified offset voltage; external hysteresis can be added for noise immunity.
- What is the temperature range for the TLV3491AIDBVRG4?
The operating temperature range is from -40°C to 125°C.
