Overview
The LTC6993IS6-1#TRMPBF, produced by Analog Devices Inc., is a monostable multivibrator, also known as a “one-shot” pulse generator. This device is part of the TimerBlox family of versatile silicon timing devices. It offers a programmable pulse width ranging from 1µs to 33.6 seconds, making it highly versatile for various timing applications. The LTC6993 is available in several versions, each with different trigger signal polarity and retrigger capabilities.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| tOUT Output Pulse Width | V+ = 2.25V to 5.5V, RSET = 50k to 800k | 1µs | - | 33.6s | s |
| VOL Low Level Output Voltage | V+ = 5.5V, IOUT = 1mA | 0.02 | 0.26 | 0.54 | V |
| tPD Trigger Propagation Delay | V+ = 5.5V | 11 | - | - | ns |
| tWIDTH Minimum Recognized TRIG Pulse Width | V+ = 3.3V | 5 | - | - | ns |
| tARM Recovery Time (LTC6993-1/LTC6993-3) | - | -4 | - | - | ns |
| tRETRIG Time Between Trigger Signals (LTC6993-2/LTC6993-4) | NDIV = 1, V+ = 3.3V | 10 | - | - | ns |
| tr Output Rise Time | V+ = 5.5V, CLOAD = 5pF | 1.1 | - | 1.7 | ns |
| tf Output Fall Time | V+ = 5.5V, CLOAD = 5pF | 1.0 | - | 1.6 | ns |
Key Features
- Programmable Pulse Width: The LTC6993 allows for a programmable pulse width from 1µs to 33.6 seconds using a single resistor (RSET) and an internal clock divider (NDIV).
- Trigger Signal Polarity and Retrigger Capability: Available in four versions with different trigger signal polarity (rising-edge or falling-edge) and retrigger capabilities (yes or no).
- Dynamically Adjustable Pulse Width: The output pulse width can be dynamically adjusted via a separate control voltage.
- Operating Voltage Range: Operates over a supply voltage range of 2.25V to 5.5V.
- Automotive Grade Availability: Versions with controlled manufacturing for automotive applications are available, designated with a #W suffix.
Applications
The LTC6993 is suitable for a wide range of applications requiring precise timing and pulse generation, including:
- Timing and Synchronization: In systems that require accurate timing signals, such as in telecommunications, industrial control, and medical devices.
- Pulse Generation: For generating pulses in various electronic circuits, including those in automotive, aerospace, and consumer electronics.
- Delay Generation: In applications where a delayed signal is necessary, such as in audio and video processing.
- Automotive Systems: Specifically designed versions support the quality and reliability requirements of automotive applications.
Q & A
- What is the LTC6993IS6-1#TRMPBF?
The LTC6993IS6-1#TRMPBF is a monostable multivibrator, or one-shot pulse generator, produced by Analog Devices Inc..
- What is the programmable pulse width range of the LTC6993?
The pulse width can be programmed from 1µs to 33.6 seconds.
- How is the pulse width programmed in the LTC6993?
The pulse width is programmed using a single resistor (RSET) and an internal clock divider (NDIV).
- What are the different versions of the LTC6993 available?
The LTC6993 is available in four versions: LTC6993-1, LTC6993-2, LTC6993-3, and LTC6993-4, each with different trigger signal polarity and retrigger capabilities.
- What is the operating voltage range of the LTC6993?
The LTC6993 operates over a supply voltage range of 2.25V to 5.5V).
- Is the LTC6993 suitable for automotive applications?
Yes, versions designated with a #W suffix are available for automotive applications, ensuring the necessary quality and reliability).
- What is the minimum recognized TRIG pulse width for the LTC6993?
The minimum recognized TRIG pulse width is 5 ns at V+ = 3.3V).
- How does the trigger propagation delay vary with supply voltage?
The trigger propagation delay varies with supply voltage, with values such as 11 ns at V+ = 5.5V, 17 ns at V+ = 3.3V, and 28 ns at V+ = 2.25V).
- Can the output pulse width be dynamically adjusted?
Yes, the output pulse width can be dynamically adjusted via a separate control voltage).
- What are the typical output rise and fall times for the LTC6993?
The typical output rise time is 1.1 ns to 1.7 ns, and the typical output fall time is 1.0 ns to 1.6 ns at V+ = 5.5V and CLOAD = 5pF).
