Overview
The LM393DRG4, produced by Texas Instruments, is a next-generation dual differential comparator belonging to the LM393B family. These comparators are designed to offer improved specifications over their predecessors, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current. The LM393B devices are drop-in replacements for the LM293, LM393, and LM2903 in both 'A' and 'V' grades, making them highly versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 0 to 38 | V |
| Differential Input Voltage (VID) | -38 to 38 | V |
| Input Voltage (VI) | -0.3 to 38 | V |
| Input Bias Current | 3.5 | nA |
| Supply Current per Comparator | 200 | µA |
| Response Time | 1 | µs |
| ESD Rating (HBM) | 2k | V |
| Operating Temperature Range | 0 to 70 | °C |
| Output Current | 25 | mA |
| Output Saturation Voltage | Low |
Key Features
- Improved specifications of B-version, including lower offset voltage (0.37 mV) and lower input bias current (3.5 nA)
- Higher supply voltage capability up to 38 V
- Lower supply current of 200 µA per comparator
- Faster response time of 1 µsec
- 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 and output compatible with TTL, MOS, and CMOS
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 LM393DRG4?
The maximum supply voltage for the LM393DRG4 is up to 38 V. - What is the input bias current of the LM393DRG4?
The input bias current of the LM393DRG4 is 3.5 nA. - What is the response time of the LM393DRG4?
The response time of the LM393DRG4 is 1 µsec. - What is the ESD rating of the LM393DRG4?
The ESD rating of the LM393DRG4 is 2k V (HBM). - Can the LM393DRG4 be used as a drop-in replacement for other comparators?
Yes, the LM393DRG4 can be used as a drop-in replacement for LM293, LM393, and LM2903 in both 'A' and 'V' grades. - What is the operating temperature range of the LM393DRG4?
The operating temperature range of the LM393DRG4 is 0 to 70°C. - What are the common applications of the LM393DRG4?
The LM393DRG4 is used in various applications including vacuum robots, single-phase UPS, server power supplies, cordless power tools, and more. - Is the output of the LM393DRG4 compatible with TTL, MOS, and CMOS?
Yes, the output of the LM393DRG4 is compatible with TTL, MOS, and CMOS. - What is the typical supply current per comparator for the LM393DRG4?
The typical supply current per comparator for the LM393DRG4 is 200 µA. - What package options are available for the LM393DRG4?
The LM393DRG4 is available in various packages, including a tiny 2 x 2mm WSON package.
