Overview
The LTC6900IS5#TRPBF, produced by Analog Devices Inc., is a precision, low-power oscillator designed for high accuracy and ease of use. This oscillator occupies minimal PC board space and is packaged in a 5-lead TSOT-23 package. It operates with a single 2.7V to 5.5V power supply and provides a rail-to-rail, 50% duty cycle square wave output. The oscillator frequency is programmable using a single external resistor, eliminating the need for external trim components.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (V+) | 2.7 | 5.5 | V | |
| Operating Temperature Range | -40 | 85 | °C | |
| Frequency Range | 1kHz | 20MHz | ||
| Frequency Error (5kHz to 10MHz, TA = 25°C) | ±1.5% | |||
| Frequency Error (5kHz to 10MHz, TA = 0°C to 70°C) | ±2.0% | |||
| Temperature Stability | ±40ppm/°C | |||
| Supply Current (V+ = 3V, 3MHz) | 500µA | |||
| Output Driver Resistance | 100Ω | Ω | ||
| Start-Up Time | 50µs | 1.5ms |
Key Features
- One external resistor sets the frequency between 1kHz and 20MHz.
- Low power consumption with a typical supply current of 500µA at V+ = 3V and 3MHz.
- High accuracy operation with frequency error ≤1.5% max from 5kHz to 10MHz at TA = 25°C.
- Temperature stability of ±40ppm/°C and supply stability of 0.04%/V.
- 50% ±1% duty cycle for frequencies between 1kHz and 2MHz, and 50% ±5% duty cycle for frequencies between 2MHz and 10MHz.
- Fast start-up time ranging from 50µs to 1.5ms.
- 100Ω CMOS output driver capable of driving 5kΩ and/or 10pF loads.
- Operates from a single 2.7V to 5.5V supply and is packaged in a low-profile (1mm) ThinSOT package.
Applications
The LTC6900IS5#TRPBF is suitable for a variety of applications requiring precise and low-power oscillation. These include:
- Timing and clock generation in embedded systems and microcontrollers.
- Frequency synthesis in communication systems.
- Precision timing in medical devices and industrial control systems.
- Low-power consumer electronics requiring accurate clock signals.
Q & A
- What is the operating voltage range of the LTC6900IS5#TRPBF?
The LTC6900IS5#TRPBF operates from a single 2.7V to 5.5V power supply.
- How is the oscillator frequency set in the LTC6900IS5#TRPBF?
The oscillator frequency is set using a single external resistor connected between the SET pin and the V+ pin.
- What is the frequency accuracy of the LTC6900IS5#TRPBF?
The frequency error is ≤1.5% max from 5kHz to 10MHz at TA = 25°C and ≤2.0% max from 5kHz to 10MHz over the operating temperature range.
- What is the typical supply current of the LTC6900IS5#TRPBF?
The typical supply current is 500µA at V+ = 3V and 3MHz.
- What is the temperature stability of the LTC6900IS5#TRPBF?
The temperature stability is ±40ppm/°C.
- What is the duty cycle of the output signal?
The duty cycle is 50% ±1% for frequencies between 1kHz and 2MHz, and 50% ±5% for frequencies between 2MHz and 10MHz.
- How long does the LTC6900IS5#TRPBF take to start up?
The start-up time ranges from 50µs to 1.5ms.
- What type of output driver does the LTC6900IS5#TRPBF have?
The LTC6900IS5#TRPBF has a 100Ω CMOS output driver.
- What is the package type of the LTC6900IS5#TRPBF?
The LTC6900IS5#TRPBF is packaged in a 5-lead ThinSOT (TSOT-23) package.
- What are some common applications for the LTC6900IS5#TRPBF?
Common applications include timing and clock generation in embedded systems, frequency synthesis in communication systems, precision timing in medical devices, and low-power consumer electronics.
