Overview
The TLV3492AIDR, produced by Texas Instruments, is a dual nanopower push-pull output comparator. This component is part of the TLV349x family, which is renowned for its low power consumption and high speed. The TLV3492AIDR operates on a supply voltage range of 1.8 V to 5.5 V, making it suitable for a wide range of low-voltage applications, including battery-powered devices and ultra-low power systems. Its fast response time of 6 µs and typical supply current of 0.8 µA make it an ideal choice for power-sensitive designs. The device is available in micro-sized packages such as the 8-pin SOT-23 and SOIC, which are beneficial for space-constrained and portable applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 1.8 | 5.5 | V | |
| Quiescent Current (IQ) | 0.85 | 0.8 | 1.2 | µA |
| Propagation Delay Time (tPLH) | 6 | 12 | µs | |
| Input Offset Voltage (VOS) | ±3 | ±15 | mV | |
| Input Bias Current (IB) | ±1 | ±10 | pA | |
| Output Voltage High (VOH) | 90 | 200 | mV | |
| Output Voltage Low (VOL) | 160 | 200 | mV | |
| Common-Mode Input Range | (V–) – 0.2 V | (V+) + 0.2 V | V | |
| Package Type | 8-Pin SOT-23, 8-Pin SOIC |
Key Features
- Very Low Supply Current: Typical supply current of 0.8 µA, making it suitable for battery-powered and ultra-low power applications.
- High Speed: Fast response time of 6 µs.
- Push-Pull CMOS Output Stage: Optimal for reduced power budget applications with no shoot-through current.
- Input Common-Mode Range Beyond Supply Rails: Allows operation with input voltages beyond the supply rails.
- Micro-Sized Packages: Available in 8-pin SOT-23 and SOIC packages, ideal for space-constrained and portable applications.
- Input Overvoltage Protection: Protected by electrostatic discharge (ESD) diodes that can tolerate momentary voltages greater than 500 mV beyond the power supply.
Applications
- Portable Medical Equipment: Suitable for low-power, battery-operated medical devices.
- Wireless Security Systems: Ideal for low-voltage, power-efficient security systems.
- Remote Control Systems: Used in remote control devices that require low power consumption.
- Handheld Instruments: Perfect for handheld devices that need to conserve power.
- Ultra-Low Power Systems: Excellent choice for systems that require minimal power consumption.
Q & A
- What is the supply voltage range of the TLV3492AIDR?
The supply voltage range is from 1.8 V to 5.5 V.
- What is the typical quiescent current of the TLV3492AIDR?
The typical quiescent current is 0.8 µA.
- What is the propagation delay time of the TLV3492AIDR?
The propagation delay time is typically 6 µs.
- What is the input offset voltage range of the TLV3492AIDR?
The input offset voltage range is ±3 mV to ±15 mV.
- Does the TLV3492AIDR have input overvoltage protection?
- What are the available package types for the TLV3492AIDR?
The device is available in 8-pin SOT-23 and 8-pin SOIC packages.
- What is the common-mode input range of the TLV3492AIDR?
The common-mode input range is from (V–) – 0.2 V to (V+) + 0.2 V.
- Can the TLV3492AIDR be used in battery-powered applications?
- How can external hysteresis be added to the TLV3492AIDR?
- What are some typical applications of the TLV3492AIDR?
