Overview
The TL331KDBVT, part of the TL331 family, is a single voltage comparator produced by Texas Instruments. This device is known for its versatility and wide range of applications due to its robust specifications and improved performance. The TL331B and TL391B versions are the next-generation upgrades of the standard TL331, offering enhanced features such as lower offset voltage, higher supply voltage capability, lower supply current, and faster response times. The TL331KDBVT is particularly notable for its drop-in replacement capability for earlier versions like the TL331I and TL331K, making it a convenient upgrade for existing designs.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | - | 36 | V |
| Total Supply Current (5V to 36V) | 0.4 | 0.7 | 0.7 | mA |
| Temperature Range | -40 | - | 105 | °C |
| ESD Rating (HBM) | - | - | 1000 | V |
| Input Offset Voltage | -9 | 2 | 9 | mV |
| Input Bias Current | -25 | -25 | -250 | nA |
| Response Time (typical) | - | 1.3 | - | µsec |
| Low Level Output Voltage | 150 | - | 400 | mV |
| Low Level Output Current | 6 | - | 18 | mA |
Key Features
- Improved specifications of B-version, including maximum rating up to 38V and ESD rating (HBM) of 2kV.
- Low input offset voltage: ±0.37mV (typical) and low input bias current: 3.5nA (typical).
- Low supply current: 430µA (maximum) and faster response time of 1µsec (typical).
- 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.
- Open-collector output allowing for wired-AND relationships.
- Drop-in replacement convenience for TL331I and TL331K versions.
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 TL331KDBVT?
The maximum supply voltage for the TL331KDBVT is 36V.
- What is the typical input offset voltage of the TL331KDBVT?
The typical input offset voltage is ±0.37mV.
- What is the typical input bias current of the TL331KDBVT?
The typical input bias current is 3.5nA.
- What is the response time of the TL331KDBVT?
The typical response time is 1.3µsec.
- Is the TL331KDBVT compatible with TTL, MOS, and CMOS outputs?
- Can the TL331KDBVT be used as a drop-in replacement for earlier versions?
- What is the temperature range for the TL331KDBVT?
The temperature range is -40°C to 105°C.
- What is the ESD rating (HBM) for the TL331KDBVT?
The ESD rating (HBM) is 1000V.
- What are some common applications of the TL331KDBVT?
- Does the TL331KDBVT have an open-collector output?
- Can the outputs of multiple TL331KDBVT devices be connected to achieve wired-AND relationships?
