Overview
The LM393AWDT, produced by STMicroelectronics, is a low power dual voltage comparator designed for a wide range of applications. This device consists of two independent low voltage comparators that can operate from a single supply or split power supplies. The LM393 series is known for its ability to operate with a single power supply voltage while still allowing the input common-mode voltage range to include ground. This feature makes it highly versatile for various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2 V to 36 V or ±1 V to ±18 V | V |
| Supply Current | 0.4 mA | mA |
| Input Bias Current | 25 nA (typ.) | nA |
| Input Offset Current | ±5 nA (typ.) | nA |
| Input Offset Voltage | ±1 mV (typ.) | mV |
| Output Saturation Voltage | 250 mV (typ. at Isink = 4 mA) | mV |
| Output Compatibility | TTL, DTL, ECL, MOS, CMOS | - |
| Operating Temperature Range | -25°C to +85°C | °C |
| Package Styles | SO-8, TSSOP-8, MiniSO-8, QFN-8 | - |
Key Features
- Wide single-supply voltage range or dual supplies: 2 V to 36 V or ±1 V to ±18 V
- Very low supply current (0.4 mA) independent of supply voltage
- Low input bias current: 25 nA typ.
- Low input offset current: ±5 nA typ.
- Low input offset voltage: ±1 mV typ.
- Input common-mode voltage range includes ground
- Low output saturation voltage: 250 mV typ. (Isink = 4 mA)
- Differential input voltage range equal to the supply voltage
- TTL, DTL, ECL, MOS, CMOS compatible outputs
- Available in various packages including SO-8, TSSOP-8, MiniSO-8, and QFN-8
- LM393W models offer additional ESD robustness of 2 kV HBM on all pins
Applications
The LM393AWDT is suitable for a variety of applications in consumer, automotive, and industrial electronics. Its low power consumption and wide operating voltage range make it ideal for use in:
- Automotive systems requiring robust and reliable comparators.
- Industrial control systems where precision and low power consumption are critical.
- Consumer electronics such as alarm systems, battery level indicators, and other voltage monitoring applications.
- General-purpose comparator applications where low offset voltage and high accuracy are required.
Q & A
- What is the supply voltage range of the LM393AWDT?
The LM393AWDT can operate from a single supply voltage of 2 V to 36 V or from split power supplies of ±1 V to ±18 V.
- What is the typical supply current of the LM393AWDT?
The typical supply current is 0.4 mA, which is independent of the supply voltage.
- What is the input bias current of the LM393AWDT?
The input bias current is typically 25 nA.
- What is the input offset voltage of the LM393AWDT?
The input offset voltage is typically ±1 mV.
- Is the LM393AWDT compatible with various logic levels?
Yes, the LM393AWDT is compatible with TTL, DTL, ECL, MOS, and CMOS logic levels.
- What are the available package styles for the LM393AWDT?
The LM393AWDT is available in SO-8, TSSOP-8, MiniSO-8, and QFN-8 packages.
- Does the LM393AWDT have ESD protection?
The LM393W models offer additional ESD robustness of 2 kV HBM on all pins.
- What is the operating temperature range of the LM393AWDT?
The operating temperature range is -25°C to +85°C.
- Is the LM393AWDT RoHS compliant?
Yes, the LM393AWDT is Pb-free, halogen-free/BFR-free and is RoHS compliant.
- What are some common applications of the LM393AWDT?
The LM393AWDT is commonly used in automotive, industrial, and consumer electronics for various comparator applications.
