Overview
The TLV3502AIDR from Texas Instruments is a high-speed, dual-channel comparator that belongs to the TLV350x family. This device is renowned for its fast 4.5-ns propagation delay and its ability to operate over a wide supply voltage range of 2.7 V to 5.5 V. The TLV3502AIDR features rail-to-rail input and output stages, making it highly versatile for various low-voltage applications. The microsize packages, including 8-pin SOT-23 and 8-pin SOIC, are ideal for portable and space-restricted designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Propagation Delay | - | 4.5 | - | ns |
| Supply Voltage | 2.7 | - | 5.5 | V |
| Input Offset Voltage (VOS) | ±1 | ±6.5 | - | mV |
| Input Bias Current (IB) | ±2 | ±10 | - | pA |
| Quiescent Current (IQ) | 3.2 | - | 5 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Common-Mode Voltage Range | (V−) - 0.2 | - | (V+) - 0.2 | V |
| Rise Time (tR) | - | 1.5 | - | ns |
| Fall Time (tF) | - | 1.5 | - | ns |
Key Features
- High Speed: 4.5-ns propagation delay
- Rail-to-Rail I/O: Input and output stages extend beyond the power supply rails
- Supply Voltage: Operates from 2.7 V to 5.5 V
- Push-Pull CMOS Output Stage: Directly drives CMOS or TTL logic
- Micro Packages: Available in 8-pin SOT-23 and 8-pin SOIC packages
- Low Supply Current: 3.2 mA typical quiescent current
- Internal Hysteresis: 6 mV for improved noise immunity
Applications
- Automatic Test Equipment: High-speed comparison for testing and measurement
- Wireless Base Stations: Fast signal processing and comparison
- Threshold Detectors: Precise threshold detection in various systems
- Zero-Crossing Detectors: Accurate detection of zero-crossing points
- Window Comparators: Monitoring signals within a specified range
Q & A
- What is the propagation delay of the TLV3502AIDR? The propagation delay is 4.5 ns.
- What is the operating supply voltage range of the TLV3502AIDR? The device operates from 2.7 V to 5.5 V.
- What are the package options for the TLV3502AIDR? It is available in 8-pin SOT-23 and 8-pin SOIC packages.
- Does the TLV3502AIDR have a shutdown feature? No, the TLV3502AIDR does not have a shutdown feature; this feature is available only in the TLV3501.
- What is the typical quiescent current of the TLV3502AIDR? The typical quiescent current is 3.2 mA.
- What is the common-mode voltage range of the TLV3502AIDR? The common-mode voltage range extends 0.2 V beyond the power supply rails.
- How does the TLV3502AIDR handle input overvoltage? The device inputs are protected by ESD diodes that conduct if the input voltages exceed the power supplies by more than approximately 300 mV.
- What is the rise and fall time of the TLV3502AIDR? Both the rise and fall times are 1.5 ns.
- What is the operating temperature range of the TLV3502AIDR? The device operates from -40°C to 125°C.
- Can the TLV3502AIDR drive CMOS or TTL logic directly? Yes, the rail-to-rail output stage can directly drive either CMOS or TTL logic.
