Overview
The LM193AH from Texas Instruments is a low-power, low-offset voltage dual comparator designed for a wide range of applications. This component features two independent precision voltage comparators with an offset voltage specification as low as 2.0 mV max. It is engineered to operate from a single power supply over a broad voltage range of 2.0 V to 36 V, and it can also function with dual supplies from ±1.0 V to ±18 V. The LM193AH is notable for its very low supply current drain, which is independent of the supply voltage, making it suitable for battery-powered applications and other power-sensitive designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.0 V to 36 V | V |
| Single or Dual Supplies | ±1.0 V to ±18 V | V |
| Supply Current | 0.4 mA (typ), 1 mA (max) at V+=5 V | mA |
| Input Offset Voltage | 1.0 mV to 5.0 mV | mV |
| Input Bias Current | 25 nA to 100 nA | nA |
| Input Offset Current | 3.0 nA to 25 nA | nA |
| Input Common Mode Voltage Range | 0 V to V+−1.5 V | V |
| Output Saturation Voltage | 250 mV at 4 mA | mV |
| Propagation Delay Time | 0.7 µs | µs |
| Operating Temperature Range | -55°C to 125°C | °C |
Key Features
- High precision comparators with low offset voltage.
- Wide supply voltage range: 2.0 V to 36 V, and single or dual supplies from ±1.0 V to ±18 V.
- Very low supply current drain (0.4 mA typical) independent of supply voltage.
- Low input biasing current and low input offset current.
- Input common-mode voltage range includes ground.
- Differential input voltage range equal to the power supply voltage.
- Low output saturation voltage: 250 mV at 4 mA.
- Output voltage compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- Available in various packages including TO-CAN and DSBGA.
- Suitable for battery operation due to low power drain.
Applications
- Battery-powered applications.
- Industrial applications.
- Limit comparators.
- Simple analog to digital converters.
- Pulse, squarewave, and time delay generators.
- Voltage-controlled oscillators (VCOs).
- MOS clock timers.
- Multivibrators.
- High voltage digital logic gates.
Q & A
- Q: What is the supply voltage range of the LM193AH?
A: The LM193AH operates over a supply voltage range of 2.0 V to 36 V, and it can also function with dual supplies from ±1.0 V to ±18 V.
- Q: What is the typical supply current of the LM193AH?
A: The typical supply current of the LM193AH is 0.4 mA, which is independent of the supply voltage.
- Q: What is the input offset voltage of the LM193AH?
A: The input offset voltage of the LM193AH is as low as 1.0 mV to 5.0 mV.
- Q: Is the LM193AH compatible with various logic systems?
A: Yes, the LM193AH is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
- Q: What are the typical applications of the LM193AH?
A: Typical applications include battery-powered devices, industrial applications, limit comparators, analog to digital converters, pulse and squarewave generators, and more.
- Q: What is the operating temperature range of the LM193AH?
A: The operating temperature range of the LM193AH is -55°C to 125°C.
- Q: What packages are available for the LM193AH?
A: The LM193AH is available in packages such as TO-CAN and DSBGA.
- Q: How does the LM193AH handle input common-mode voltage?
A: The input common-mode voltage range of the LM193AH includes ground and can go up to V+−1.5 V.
- Q: Is the LM193AH suitable for battery operation?
A: Yes, the LM193AH is suitable for battery operation due to its low power drain.
- Q: What is the warranty period for the LM193AH from authorized sellers?
A: The warranty period can vary, but typically, it is 1 year from authorized sellers like Ovaga Technologies.
