Overview
The LM393AP is a precision dual differential comparator manufactured by Texas Instruments. It is part of the LM393 series, which are known for their low offset voltage and wide range of supply voltage capabilities. These devices are designed to operate from a single power supply or dual supplies, making them versatile for various applications. The LM393AP is particularly suited for industrial-grade applications due to its robust specifications and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | 0°C to 70°C | °C |
| Supply Voltage Range | 2.0 V to 36 V (single supply), ±1.0 V to ±18 V (dual supply) | V |
| Input Offset Voltage | 2 mV (typical), 5 mV (maximum) | mV |
| Input Bias Current | 3.5 nA (typical) | nA |
| Input Offset Current | 5 nA (typical) | nA |
| Quiescent Current per Comparator | 200 µA | µA |
| Response Time | 1 µs (typical) | µs |
| ESD Rating (HBM) | 2 kV | kV |
| Package Type | PDIP (P) - 8 pins |
Key Features
- Wide single-supply range: 2.0 Vdc to 36 Vdc and split-supply range: ±1.0 Vdc to ±18 Vdc.
- Low input offset voltage: as low as 2.0 mV.
- Low input bias current: 3.5 nA (typical).
- Low supply current: 200 µA per comparator.
- Faster response time: 1 µs (typical).
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage.
- Output compatible with TTL, MOS, and CMOS logic levels.
- ESD clamps on the inputs for increased ruggedness.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
Applications
- Chemical or gas sensors.
- Desktop PCs.
- Motor control: AC induction.
- Weigh scales.
- Consumer electronics.
- Automotive electronics.
- Industrial electronics.
Q & A
- What is the operating temperature range of the LM393AP?
The operating temperature range of the LM393AP is 0°C to 70°C. - What is the supply voltage range for the LM393AP?
The supply voltage range for the LM393AP is 2.0 V to 36 V for single supply and ±1.0 V to ±18 V for dual supply. - What is the typical input offset voltage of the LM393AP?
The typical input offset voltage of the LM393AP is 2 mV. - How much current does the LM393AP draw from the supply?
The LM393AP draws 200 µA per comparator from the supply. - What is the response time of the LM393AP?
The response time of the LM393AP is typically 1 µs. - Is the LM393AP compatible with TTL, MOS, and CMOS logic levels?
Yes, the LM393AP is compatible with TTL, MOS, and CMOS logic levels. - Does the LM393AP have ESD protection?
Yes, the LM393AP has ESD clamps on the inputs for increased ruggedness, with an ESD rating of 2 kV. - What are some common applications of the LM393AP?
The LM393AP is commonly used in chemical or gas sensors, desktop PCs, motor control, weigh scales, consumer electronics, automotive electronics, and industrial electronics. - Is the LM393AP RoHS compliant?
Yes, the LM393AP is Pb-free, halogen-free/BFR-free, and RoHS compliant. - What package types are available for the LM393AP?
The LM393AP is available in a PDIP (P) package with 8 pins.
