Overview
The LTC6994IS6-1#TRMPBF is a programmable delay block manufactured by Analog Devices Inc. It is part of the TimerBlox family of versatile silicon timing devices. This component offers a wide range of delay times from 1µs to 33.6 seconds, making it highly versatile for various timing applications. The delay is programmed using a single resistor (RSET) that sets the internal master oscillator frequency, and an internal clock divider (NDIV) that can be set to eight different settings from 1 to 2^21.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Operating Supply Voltage Range | V+ | 2.25 | 5.5 | V | |
| Power-On Reset Voltage | 1.95 | V | |||
| Supply Current (Idle) | V+ = 5.5V, RL = ∞, RSET = 50k, NDIV ≤ 64 | 0.05 | 0.46 | mA | |
| Propagation Delay | V+ = 5.5V | 10 | ns | ||
| Minimum Recognized Input Pulse Width | V+ = 3.3V | 5 | ns | ||
| Output Rise Time | V+ = 5.5V | 1.1 | 2.7 | ns | |
| Output Fall Time | V+ = 5.5V | 1.0 | 2.4 | ns | |
| Delay Jitter (NDIV = 1) | V+ = 5.5V | 1.0% | %P-P |
Key Features
- Programmable Delay Range: 1µs to 33.6 seconds, allowing for a wide range of timing applications.
- Single Resistor Programming: The internal master oscillator frequency is set using a single resistor (RSET).
- Internal Clock Divider: Programmable to eight settings from 1 to 2^21, providing flexibility in delay settings.
- Dynamic Delay Adjustment: The delay time can be dynamically adjusted via a separate control voltage.
- Low Power Consumption: Low supply current in idle mode, making it suitable for power-sensitive applications.
- High-Speed and Low-Voltage Operations: Optimized for high-speed and low-voltage operations, providing excellent performance for analog and digital signal processing.
- Multiple Package Options: Available in various packages such as TSOT-23 and DFN, catering to different design requirements.
Applications
- Timing and Synchronization: Ideal for applications requiring precise timing and synchronization, such as in telecommunications, industrial control systems, and medical devices.
- Signal Processing and Conditioning: Useful in signal processing and conditioning applications where delayed signals are necessary, such as in audio and video systems.
- Automotive Systems: Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications.
- Debouncing and Edge Detection: Can be used for debouncing and edge detection in digital circuits, ensuring clean and reliable signal transitions).
Q & A
- What is the operating supply voltage range of the LTC6994IS6-1#TRMPBF?
The operating supply voltage range is from 2.25V to 5.5V.
- How is the delay time programmed in the LTC6994IS6-1#TRMPBF?
The delay time is programmed using a single resistor (RSET) that sets the internal master oscillator frequency and an internal clock divider (NDIV) that can be set to eight different settings from 1 to 2^21.
- What is the minimum recognized input pulse width for the LTC6994IS6-1#TRMPBF?
The minimum recognized input pulse width is 5 ns at V+ = 3.3V.
- Can the delay time be dynamically adjusted in the LTC6994IS6-1#TRMPBF?
Yes, the delay time can be dynamically adjusted via a separate control voltage.
- What are the available package options for the LTC6994IS6-1#TRMPBF?
The component is available in various packages such as TSOT-23 and DFN.
- Is the LTC6994IS6-1#TRMPBF suitable for automotive applications?
Yes, versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications.
- What is the typical propagation delay of the LTC6994IS6-1#TRMPBF at V+ = 5.5V?
The typical propagation delay is 10 ns at V+ = 5.5V.
- How does the LTC6994IS6-1#TRMPBF handle jitter in the delay?
The jitter is specified as the ratio of the deviation of the programmed delay to the mean of the delay, with values such as 1.0% P-P for NDIV = 1 at V+ = 5.5V.
- What is the output rise and fall time of the LTC6994IS6-1#TRMPBF?
The output rise time is 1.1 ns to 2.7 ns, and the output fall time is 1.0 ns to 2.4 ns at V+ = 5.5V.
- Can the LTC6994IS6-1#TRMPBF be used for debouncing and edge detection?
Yes, it can be used for debouncing and edge detection in digital circuits, ensuring clean and reliable signal transitions.
