Overview
The LM393BIDGKR is a next-generation dual voltage comparator from Texas Instruments, part of the LM393B and LM2903B family. These devices are designed to replace the earlier LM293, LM393, and LM2903 comparators, offering improved specifications and enhanced performance. The LM393BIDGKR features two independent voltage comparators that can operate from a single power supply over a wide range of voltages, making it versatile for various applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | 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 | ||
| Supply Voltage (VCC) | 2.0 | 36 | V | ||
| Quiescent Current (IQ) | VS = 5V, no load, TA = 25°C | 400 | 600 | 800 | µA |
| Response Time | RL connected to 5V through 5.1kΩ, CL = 15pF | 1.3 | µs | ||
| Operating Temperature Range | 0 | 70 | °C |
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.
- Low input offset voltage of ±0.37mV and low input bias current of 3.5nA.
- Low supply current of 200µA per comparator and faster response time of 1µsec.
- Extended temperature range for LM393B and availability in a tiny 2 x 2mm WSON package.
- Common-mode input voltage range includes ground and differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Low output saturation voltage and output compatible with TTL, MOS, and CMOS logic levels.
- ESD clamps on the inputs increase the ruggedness of the device without affecting performance.
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 supply voltage for the LM393BIDGKR? The maximum supply voltage is up to 38V.
- What is the input offset voltage of the LM393BIDGKR? The input offset voltage is ±0.37mV.
- What is the input bias current of the LM393BIDGKR? The input bias current is 3.5nA.
- What is the quiescent current of the LM393BIDGKR? The quiescent current is 400µA to 600µA per comparator.
- What is the response time of the LM393BIDGKR? The response time is approximately 1.3µs.
- Is the LM393BIDGKR compatible with various logic levels? Yes, it is compatible with TTL, MOS, and CMOS logic levels.
- What is the operating temperature range of the LM393BIDGKR? The operating temperature range is 0°C to 70°C.
- Can the LM393BIDGKR be used in place of earlier LM393 and LM2903 models? Yes, it is a drop-in replacement for LM293, LM393, and LM2903, for both 'A' and 'V' grades.
- What is the common-mode input voltage range of the LM393BIDGKR? The common-mode input voltage range includes ground and extends up to VCC - 1.5V.
- Is the LM393BIDGKR protected against ESD? Yes, it has ESD clamps on the inputs that increase the device's ruggedness without affecting performance).
