Overview
The LTC2914IGN-1#PBF, produced by Analog Devices Inc., is a quad input voltage monitor designed for monitoring multiple voltages in various applications. This component is part of the LTC2914 family, which offers flexible and reliable voltage monitoring capabilities. It supports both positive and negative voltage monitoring, making it versatile for different system requirements.
Key Specifications
| Specification | Value |
|---|---|
| Number of Inputs Monitored | 4 |
| Operating Temperature Range | –40°C to 85°C (LTC2914I) |
| Storage Temperature Range | –65°C to 150°C |
| Lead Temperature (Soldering, 10 sec) | 300°C (SSOP) |
| Reference Load Current (IREF) | ±1mA |
| UV/OV Current (IUV, IOV) | 10mA |
| Buffered Reference Output | 1V, sources and sinks up to 1mA |
| Reset Delay Timer | Set by external capacitor (CTMR) of at least 10pF |
| Package Type | 16-Lead Plastic DFN (5mm × 3mm) |
Key Features
- Dual Inputs for Each Monitored Voltage: Allows for both positive and negative voltage monitoring.
- Adjustable Reset Delay: Set by an external capacitor (CTMR) to customize the reset timing.
- Buffered Reference Output: Provides a 1V reference, useful for offset in negative-monitoring applications.
- Input Polarity Select: Three-state input (SEL) to select one of three possible input polarity combinations.
- Output Disable and Latch Clear/Bypass: DIS and LATCH pins for controlling the output behavior and latch status.
- Exposed Pad Option: Exposed pad may be left open or connected to device ground.
Applications
- Power Supply Monitoring: Ideal for monitoring multiple voltages in power supply systems.
- Industrial Control Systems: Suitable for use in industrial control systems where multiple voltage levels need to be monitored.
- Automotive Systems: Can be used in automotive systems to monitor various voltage levels.
- Telecommunications Equipment: Useful in telecommunications equipment for reliable voltage monitoring.
Q & A
- What is the primary function of the LTC2914IGN-1#PBF?
The primary function is to monitor multiple voltages, supporting both positive and negative voltage monitoring.
- How many inputs can the LTC2914IGN-1#PBF monitor?
The component can monitor up to 4 inputs.
- What is the operating temperature range for the LTC2914IGN-1#PBF?
The operating temperature range is –40°C to 85°C.
- How is the reset delay timer set?
The reset delay timer is set by an external capacitor (CTMR) of at least 10pF.
- What is the purpose of the buffered reference output?
The buffered reference output provides a 1V reference, useful for offset in negative-monitoring applications.
- Can the input polarity be selected?
Yes, the input polarity can be selected using the three-state input (SEL) pin.
- What is the function of the DIS and LATCH pins?
The DIS pin disables the OV and UV output pins, while the LATCH pin controls the OV latch status.
- What is the package type of the LTC2914IGN-1#PBF?
The package type is a 16-Lead Plastic DFN (5mm × 3mm).
- Can the exposed pad be left open or connected to ground?
Yes, the exposed pad may be left open or connected to device ground.
- In what types of systems is the LTC2914IGN-1#PBF commonly used?
It is commonly used in power supply systems, industrial control systems, automotive systems, and telecommunications equipment.
