Overview
The LM393ADGKR is a precision dual differential comparator produced by Texas Instruments. It is part of the next-generation LM393 comparator family, offering improved specifications and performance. This device is designed to operate from a single power supply over a wide range of voltages and is available in a compact VSSOP (DGK) package with 8 pins. The LM393ADGKR is characterized for operation from 0°C to 70°C, making it suitable for various industrial and commercial applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VS = 5 to 36V | -2.5 | ±0.37 | 2.5 | mV |
| Input Bias Current (IB) | TA = -40°C to +85°C | -3.5 | -25 | -50 | nA |
| Input Offset Current (IOS) | TA = -40°C to +85°C | -10 | ±0.5 | 10 | nA |
| Common Mode Range (VCM) | VS = 3 to 36V | (V-) to (V+) - 1.5 | V | ||
| Supply Voltage (VS) | 2 | 36 | V | ||
| Quiescent Current (IQ) | VS = 5V, no load | 400 | 600 | 800 | µA |
| Propagation Delay | 1 | µsec | |||
| ESD Rating (HBM) | 2 | kV | |||
| Operating Temperature Range | 0 | 70 | °C |
Key Features
- Low input offset voltage: 0.37mV typical
- Low input bias current: 3.5nA typical
- Low supply current: 200µA per comparator
- Faster response time: 1µsec
- Improved ESD performance: 2kV HBM
- 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
- Available in compact VSSOP (DGK) package
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 and control
- Motor drives
- Infotainment and cluster systems
Q & A
- What is the operating temperature range of the LM393ADGKR?
The operating temperature range of the LM393ADGKR is from 0°C to 70°C.
- What is the maximum supply voltage rating for the LM393ADGKR?
The maximum supply voltage rating for the LM393ADGKR is up to 36 V.
- What is the typical input offset voltage of the LM393ADGKR?
The typical input offset voltage of the LM393ADGKR is 0.37 mV.
- What is the quiescent current of the LM393ADGKR?
The quiescent current of the LM393ADGKR is 400 µA to 600 µA per comparator.
- Is the output of the LM393ADGKR compatible with TTL, MOS, and CMOS?
Yes, the output of the LM393ADGKR is compatible with TTL, MOS, and CMOS.
- What is the ESD rating of the LM393ADGKR?
The ESD rating of the LM393ADGKR is 2 kV HBM.
- Can the LM393ADGKR operate from a single power supply?
Yes, the LM393ADGKR can operate from a single power supply over a wide range of voltages.
- What is the propagation delay of the LM393ADGKR?
The propagation delay of the LM393ADGKR is 1 µsec.
- In what package is the LM393ADGKR available?
The LM393ADGKR is available in a VSSOP (DGK) package with 8 pins.
- Can the LM393ADGKR replace older versions of the LM393 comparator?
Yes, the LM393ADGKR can drop-in replace older versions of the LM393 and LM2903 comparators.
- What are some common applications of the LM393ADGKR?
The LM393ADGKR is used in various applications including chemical or gas sensors, desktop PCs, motor control, and more).
