Overview
The LM393TL, produced by Texas Instruments, is a low-power, low-offset voltage dual comparator. This device is part of the LM393 series, which includes dual independent precision voltage comparators designed for single or split supply operation. The LM393TL is known for its high precision and low power consumption, making it suitable for a wide range of applications in consumer, automotive, and industrial electronics.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.0 | - | 36 | V |
| Split-Supply Range | ±1.0 | - | ±18 | V |
| Supply Current (V+=5V) | 0.4 | 1 | 1 | mA |
| Input Offset Voltage | - | ±1.0 | ±5.0 | mV |
| Input Bias Current | - | 25 | 100 | nA |
| Input Offset Current | - | ±5.0 | ±50 | nA |
| Input Common Mode Voltage Range | 0 | - | V+−1.5 | V |
| Output Voltage Compatibility | - | - | - | DTL, ECL, TTL, MOS, CMOS |
| Operating Ambient Temperature Range | 0 | - | 70 | °C |
Key Features
- Wide single-supply range: 2.0 V to 36 V and split-supply range: ±1.0 V to ±18 V.
- Very low supply current drain (0.4 mA) independent of supply voltage.
- Low input bias current (25 nA) and low input offset current (±5 nA).
- Low input offset voltage (±5.0 mV max).
- Input common-mode voltage range includes ground.
- Differential input voltage range equal to the power supply voltage.
- Output voltage compatible with DTL, ECL, TTL, MOS, and CMOS logic levels.
- ESD clamps on the inputs increase the ruggedness of the device without affecting performance.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
Applications
The LM393TL is versatile and can be used in various applications, including:
- Limit comparators.
- Simple analog-to-digital converters.
- Pulse, squarewave, and time delay generators.
- Wide range VCO (Voltage-Controlled Oscillators).
- MOS clock timers and multivibrators.
- High voltage digital logic gates.
- Consumer, automotive, and industrial electronics.
Q & A
- What is the supply voltage range of the LM393TL?
The LM393TL operates over a wide supply voltage range from 2.0 V to 36 V for single supply and ±1.0 V to ±18 V for split supply.
- What is the typical supply current of the LM393TL?
The typical supply current is 0.4 mA, independent of the supply voltage.
- What is the input offset voltage of the LM393TL?
The input offset voltage is as low as ±5.0 mV max).
- What is the input common-mode voltage range of the LM393TL?
The input common-mode voltage range includes ground and extends up to V+−1.5 V).
- Is the LM393TL compatible with various logic levels?
Yes, the output voltage is compatible with DTL, ECL, TTL, MOS, and CMOS logic levels).
- What are the operating temperature ranges for the LM393TL?
The operating ambient temperature range is 0°C to 70°C).
- Is the LM393TL RoHS compliant?
Yes, the LM393TL is Pb-free, halogen-free/BFR-free, and RoHS compliant).
- What are some common applications of the LM393TL?
The LM393TL is used in limit comparators, simple analog-to-digital converters, pulse generators, time delay generators, VCOs, MOS clock timers, multivibrators, and high voltage digital logic gates).
- Does the LM393TL have ESD protection?
Yes, the LM393TL has ESD clamps on the inputs to increase the ruggedness of the device without affecting performance).
- What packages are available for the LM393TL?
The LM393TL is available in various packages, including SOIC, DSBGA, and PDIP).
