Overview
The LM393DGKR is a dual differential comparator produced by Texas Instruments. It is part of the industry-standard LM393 comparator family and is known for its reliability and versatility. This device features two independent voltage comparators designed to operate from a single power supply over a wide range of voltages. The LM393DGKR is widely used in various applications due to its robust specifications and compatibility with different types of logic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | VSSOP (DGK) | |
| Number of Pins | 8 | |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage Range | ±1 to ±15 V | V |
| Supply Current per Comparator | 200 µA | A |
| Input Offset Voltage | 0.37 mV | mV |
| Input Bias Current | 3.5 nA | A |
| Response Time | 1 µsec | sec |
| Output Type | Open-Collector | |
| ESD Rating (HBM) | 2 kV | V |
| Common-Mode Input Voltage Range | Includes ground | |
| Differential Input Voltage Range | ±38 V | V |
Key Features
- Two independent voltage comparators in a single package.
- Wide supply voltage range: ±1 to ±15 V.
- Low input offset voltage: 0.37 mV.
- Low input bias current: 3.5 nA.
- Low supply current: 200 µA per comparator.
- Faster response time: 1 µsec.
- Open-collector output compatible with TTL, MOS, and CMOS logic.
- ESD rating (HBM): 2 kV.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
Applications
The LM393DGKR is versatile and can be used in a variety of applications, including:
- Analog-to-digital converters.
- Level detection and threshold detection circuits.
- Window comparators.
- Automotive systems due to its robust specifications and temperature range.
- Industrial control systems.
- Medical devices requiring precise voltage comparisons.
Q & A
- What is the package type of the LM393DGKR?
The LM393DGKR comes in a VSSOP (DGK) package with 8 pins.
- What is the operating temperature range of the LM393DGKR?
The operating temperature range is from 0°C to 70°C.
- What is the supply voltage range for the LM393DGKR?
The supply voltage range is from ±1 V to ±15 V.
- What is the input offset voltage of the LM393DGKR?
The input offset voltage is 0.37 mV.
- What is the response time of the LM393DGKR?
The response time is 1 µsec.
- Is the LM393DGKR ESD protected?
Yes, it has an ESD rating (HBM) of 2 kV.
- What type of output does the LM393DGKR have?
The LM393DGKR has an open-collector output.
- Is the LM393DGKR compatible with different logic types?
Yes, it is compatible with TTL, MOS, and CMOS logic.
- What are some common applications of the LM393DGKR?
Common applications include analog-to-digital converters, level detection, window comparators, automotive systems, industrial control systems, and medical devices.
- Is the LM393DGKR automotive qualified?
Yes, the LM393DGKR is suitable for automotive applications).
