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LTC6930HDCB-4.19-TRMPBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC6930HDCB-4.19-TRMPBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 12 page LTC6930-X.XX 1 6930fa –0.10 0.10 6930 TA01b –0.05 0.05 0 FREQUENCY ERROR (%) 70 60 40 20 50 30 10 0 TA = 25°C V+ = 3V DIV = 0 1045 UNITS TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION 32.768kHz to 8.192MHz Precision µPower Oscillators The LTC®6930 series is a family of very low power precision silicon oscillators with a frequency error less than 0.09%. For each oscillator, the user can select one of 8 frequen- cies between 32.768kHz and 8.192MHz. Based on a fixed master oscillator frequency, internal frequency dividers between 1 and 128 provide the 8 different frequencies. The LTC6930 requires no external components other than power supply bypass capacitors. Requiring only a single 1.7V to 5.5V supply enables operation from a single Li-Ion cell or 2 AA alkaline cells. The LTC6930 features a proprietary control architecture that allows for ultra-low power operation while maintain- ing industry leading accuracy and jitter specifications. The exceptionally fast start-up time, combined with the low power consumption, is ideal for battery operated applica- tions with frequent power-up cycles. Any frequency from 32.768kHz to 8.192MHz can be pro- vided by the factory. Minimum order sizes apply for custom frequencies. Please consult LTC Marketing for details. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 6342817, 6614313. 4MHz Micropower Clock Generator n Frequency Error <0.09% Max at 25°C n Startup Time <110μs at All Frequencies n 1.7V to 5.5V Single Supply Operation n 105μA Typical Supply Current at 32kHz, V+ = 3V n 490μA Typical Supply Current at 8MHz, V+ = 3V n Typical RMS Period Jitter <0.15% at V+ = 3V n No External Components to Set Frequency n 5 Options Cover 32.768kHz to 8.192MHz: LTC6930-4.19: 4.194304MHz ÷ N LTC6930-5.00: 5.000000MHz ÷ N LTC6930-7.37: 7.373800MHz ÷ N LTC6930-8.00: 8.000000MHz ÷ N LTC6930-8.19: 8.192000MHz ÷ N Where N = 1, 2, 4, 8, 16, 32, 64, 128 (N Determined by State of DIVA, DIVB, DIVC Pins) n –40°C to 125°C Operating Temperature Range n Tiny 2mm × 3mm DFN or MS8 Package n Digitally Controlled Oscillator n Microprocessor Clock n Power Supply Clock n Portable and Battery Operated Devices Typical Frequency Error Distribution 4MHz 0.1μF 6930 TA01a V+ = 1.7V TO 5.5V IS = 325μA AT 3VDC V+ GND GND OUT DIVB DIVA DIVC V+ LTC6930-8.00 |
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