Overview
The LM393PWRG4 is a dual differential comparator IC produced by Texas Instruments. It is part of the next-generation B-version comparators, offering improved specifications over its predecessors. This device is designed to operate from a single power supply over a wide range of voltages and features two independent voltage comparators. The LM393B and LM2903B versions are drop-in replacements for the LM293, LM393, and LM2903 A and V versions, making them highly versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 8-TSSOP | |
| Pins | 8 | |
| Operating Temperature Range | 0 to 70 | °C |
| Maximum Supply Voltage | Up to 38 | V |
| ESD Rating (HBM) | 2 kV | |
| Input Offset Voltage | ±0.37 | mV |
| Input Bias Current | 3.5 nA | |
| Supply Current per Comparator | 200 µA | |
| Propagation Delay | 1 µsec | |
| Common-Mode Input Voltage Range | Includes ground | |
| Differential Input Voltage Range | ±38 V | |
| Output Type | CMOS, MOS, Open-Drain, TTL | |
| Output Saturation Voltage | Low |
Key Features
- Improved specifications of B-version comparators, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- ESD rating of 2 kV and improved input ruggedness through dedicated ESD clamps.
- Faster response time of 1 µsec and low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
- Common-mode input voltage range includes ground and differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Available in a tiny 2 x 2mm WSON package and other surface mount packages.
Applications
- Chemical or gas sensors.
- Desktop PCs.
- Motor control: AC induction.
- Weigh scales.
- Vacuum robots.
- Single-phase UPS.
- Server PSUs.
- Cordless power tools.
- Wireless infrastructure.
- Building automation.
- Factory automation & control.
- Motor drives.
- Infotainment & cluster systems.
Q & A
- What is the LM393PWRG4? The LM393PWRG4 is a dual differential comparator IC produced by Texas Instruments, part of the next-generation B-version comparators.
- What are the key improvements in the B-version comparators? The B-version comparators feature lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, and improved ESD performance.
- What is the maximum supply voltage for the LM393PWRG4? The maximum supply voltage is up to 38 V.
- What is the ESD rating of the LM393PWRG4? The ESD rating is 2 kV.
- What is the typical input offset voltage of the LM393PWRG4? The typical input offset voltage is ±0.37 mV.
- What is the propagation delay of the LM393PWRG4? The propagation delay is 1 µsec.
- Is the output compatible with TTL, MOS, and CMOS? Yes, the output is compatible with TTL, MOS, and CMOS.
- What are some common applications of the LM393PWRG4? Applications include chemical or gas sensors, desktop PCs, motor control, weigh scales, vacuum robots, single-phase UPS, server PSUs, and more.
- What package types are available for the LM393PWRG4? The LM393PWRG4 is available in 8-TSSOP and other surface mount packages.
- What is the operating temperature range of the LM393PWRG4? The operating temperature range is 0 to 70°C.
