The LTC6906IS6#PBF is a micropower 10kHz to 1MHz Resistor Set Oscillator featuring versatile, compact and easy-to-use. Micro power operation benefits portable and battery-powered equipment. At 100kHz, the LTC6906 consumes 12μA on a 3.3V supply. A single resistor programs the oscillator frequency over a 10:1 range with better than 0.5% initial accuracy. The output frequency can be divided by 1, 3 or 10 to span a 100:1 total frequency range, 10kHz to 1MHz. No decoupling capacitor is needed in most cases, yielding an extremely compact solution occupying less than 20mm2. The period and frequency are determined exclusively by RSET and the precision internal capacitor. Importantly, the value of VSET is immaterial and the LTC6906 maintains its accuracy even though VSET is not a precision reference voltage.
- 12μA Supply current at 100kHz
- <0.65% Frequency accuracy (from 0 to 70°C)
- 10kHz to 1MHz Frequency range
- One resistor sets the oscillator frequency
- Single-supply
- No decoupling capacitor needed
- Start-up time under 200μs at 1MHz
- First cycle after power-up is accurate
- 150R CMOS output driver
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