Overview
The LM393BIPWR, manufactured by Texas Instruments, is a next-generation version of the industry-standard LM393 and LM2903 comparator family. This device is part of the LM393B series, which offers improved specifications over its predecessors. The LM393BIPWR is a dual independent precision voltage comparator designed to operate from a single power supply over a wide range of voltages. It is known for its low input offset voltage, low input bias current, and low supply current, making it suitable for various applications in consumer, automotive, and industrial electronics.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VS = 5 to 36V, TA = 25°C | -2.5 | ±0.37 | 2.5 | mV |
| Input Bias Current (IB) | TA = 25°C | -3.5 | -25 | -50 | nA |
| Input Offset Current (IOS) | TA = 25°C | -10 | ±0.5 | 10 | nA |
| Common Mode Range (VCM) | VS = 3 to 36V, TA = 25°C | (V-) to (V+) - 1.5 | V | ||
| Large Signal Differential Voltage Amplification (AVD) | VS = 15V, VO = 1.4V to 11.4V; RL ≥ 15k to (V+) | 50 | 200 | V/mV | |
| Low Level Output Voltage (VOL) | ISINK ≤ 4mA, VID = -1V, TA = 25°C | 110 | 400 | 550 | mV |
| Quiescent Current (IQ) | VS = 5V, no load, TA = 25°C | 400 | 600 | 800 | µA |
| Power Supply Voltage (VCC) | 36 or ±18 | V | |||
| Operating Ambient Temperature Range | -40 | 125 | °C |
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.
- Low input bias current: -25nA.
- Low supply current: 200µA per comparator.
- Faster response time of 1µsec.
- Extended temperature range for LM393B.
- Available in tiny 2 x 2mm WSON package.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS logic levels.
- ESD clamps on the inputs increase the ruggedness of the device without affecting performance.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
Applications
- Vacuum robots.
- Single-phase UPS.
- Server power supplies.
- Cordless power tools.
- Wireless infrastructure.
- Appliances.
- Building automation.
- Factory automation and control.
- Motor drives.
- Infotainment and cluster systems).
Q & A
- What is the maximum power supply voltage for the LM393BIPWR?
The maximum power supply voltage for the LM393BIPWR is up to 36V or ±18V for split supply operation.
- What is the typical input offset voltage of the LM393BIPWR?
The typical input offset voltage is ±0.37mV).
- What is the input bias current of the LM393BIPWR?
The input bias current is typically -25nA).
- What is the quiescent current of the LM393BIPWR?
The quiescent current is typically 600µA per comparator at 5V supply voltage).
- Is the LM393BIPWR compatible with various logic levels?
Yes, the output is compatible with TTL, MOS, and CMOS logic levels).
- What is the operating temperature range for the LM393BIPWR?
The operating ambient temperature range is -40°C to 125°C).
- Does the LM393BIPWR have ESD protection?
Yes, it has ESD clamps on the inputs that increase the ruggedness of the device without affecting performance).
- What are some common applications of the LM393BIPWR?
Common applications include vacuum robots, single-phase UPS, server power supplies, cordless power tools, and more).
- Is the LM393BIPWR Pb-free and RoHS compliant?
Yes, it is Pb-free, halogen-free/BFR-free, and RoHS compliant).
- Can the LM393BIPWR be used as a drop-in replacement for other comparators?
Yes, the LM393BIPWR can drop-in replace LM293, LM393, and LM2903 for both 'A' and 'V' grades).
