LTC6990
Overview
The LTC®6990 is a precision silicon oscillator with a programmable frequency range of 488Hz to 2MHz. It can be used as a fixed-frequency or voltage-controlled oscillator (VCO).
- Fixed-Frequency or Voltage-Controlled Operation
- Fixed: Single Resistor Programs Frequency with <1.5% Max Error
- VCO: Two Resistors Set VCO Center Frequency and Tuning Range
- Frequency Range: 488Hz to 2MHz
- 2.25V to 5.5V Single Supply Operation
- 72µA Supply Current at 100kHz
- 500µs Start-Up Time
- VCO Bandwidth >300kHz at 1MHz
- CMOS Logic Output Sources/Sinks 20mA
- 50% Duty Cycle Square Wave Output
