The CA339AE is a quad voltage comparator manufactured by Intersil Corporation. This device consists of four independent precision voltage comparators designed to operate from a single power supply over a wide voltage range. It is also possible to operate from split power supplies. The CA339AE features low input bias current and low input offset voltage, making it suitable for precision comparison applications. The output of the comparators is an open-collector configuration, allowing for wired-OR connections.
Applications:
- Threshold detectors
- High-voltage digital logic gates
- Oscillator circuits
- Comparator circuits in instrumentation
- Level detectors
- Zero-crossing detectors
- Relay drivers
Features:
- Single or dual supply operation
- Low input bias current
- Low input offset voltage
- Open collector outputs
- High voltage operation
- Low power consumption
Benefits:
- Versatility: Operates from a wide range of supply voltages, accommodating various application requirements.
- High precision: Low input bias current and low input offset voltage ensure accurate comparison.
- Flexibility: Open-collector outputs allow for wired-OR connections, enabling complex logic functions.
- Reliability: Intersil's reputation for quality ensures a dependable component.
- Ease of use: Simple implementation into existing and new designs.
Additional Details:
The CA339AE's open-collector outputs require pull-up resistors for proper operation. The value of the pull-up resistor depends on the specific application and supply voltage. The device's operating temperature range is typically from -55°C to +125°C, making it suitable for harsh environments. It is commonly available in a 14-pin DIP package. In terms of electrical characteristics, key parameters include input offset voltage, input bias current, and response time. The common mode input voltage range extends to ground even when operated from a single supply. The device offers robust performance for various signal conditioning and control applications. The Intersil CA339AE is a cost-effective solution for applications requiring accurate voltage comparison.