Overview
The TL331IDBVTG4 is a single differential comparator produced by Texas Instruments. It is part of the TL331 family, which has been enhanced with the TL331B and TL391B versions. These devices offer significant improvements over their predecessors, making them highly suitable for cost-sensitive applications. The TL331B is a drop-in replacement for the earlier TL331I and TL331K versions, while the TL391B provides an alternate pinout to replace competitive devices. The comparator operates by comparing the differential voltage between its positive and negative input pins and outputs the result through an open-collector output compatible with TTL, MOS, and CMOS logic.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 0 | - | 36 | V |
| Differential Input Voltage (VID) | -36 | - | 36 | V |
| Input Offset Voltage (VIO) | -2.5 | ±0.37 | 2.5 | mV |
| Input Bias Current (IB) | -3.5 | -25 | -50 | nA |
| Supply Current (IQ) | 210 | 275-330 | 430 | µA |
| Propagation Delay Time (tresponse) | 1000 | - | - | ns |
| Output Low Voltage (VOL) | 110 | - | 400 | mV |
| Operating Temperature Range | -40 | - | 125 | °C |
| ESD Rating (HBM) | - | - | 2kV | - |
Key Features
- Improved specifications of B-version, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Maximum rating up to 38V and ESD rating (HBM) of 2kV.
- Improved reverse voltage performance.
- Low input offset voltage of 0.37mV and low input bias current of 3.5nA.
- Low supply current of 430µA and faster response time of 1µsec.
- Common-mode input voltage range includes ground and differential input voltage range equal to maximum-rated supply voltage (±38V).
- Low output saturation voltage and output compatible with TTL, MOS, and CMOS logic.
- Open-collector output allows for wired-AND relationships.
Applications
- Vacuum robots
- Single-phase UPS
- Server power supplies (PSU)
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation and control
- Motor drives
- Infotainment and cluster systems
Q & A
- What is the maximum supply voltage for the TL331IDBVTG4?
The maximum supply voltage is up to 36V.
- What is the input offset voltage of the TL331IDBVTG4?
The input offset voltage is typically ±0.37mV.
- What is the input bias current of the TL331IDBVTG4?
The input bias current is typically -3.5nA.
- What is the propagation delay time of the TL331IDBVTG4?
The propagation delay time is typically 1000ns for small-scale input signals.
- Is the TL331IDBVTG4 compatible with TTL, MOS, and CMOS logic?
- What is the ESD rating of the TL331IDBVTG4?
The ESD rating is 2kV (HBM).
- Can the TL331IDBVTG4 operate from dual supplies?
- What is the operating temperature range of the TL331IDBVTG4?
- Can the TL331IDBVTG4 be used in wired-AND configurations?
- Is the TL331IDBVTG4 a drop-in replacement for earlier TL331 versions?
