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The LTC®6907 is a precision programmable oscillator that s versatile, compact and easy to use. Micropower operation enefits portable and battery-powered equipment. At 00kHz, the LTC6907 consumes 36A on a 3V supply.
A single resistor programs the oscillator frequency over a10: 1range with better than 0.5% initial accuracy. The utput frequency can be divided by 1, 3 or 10 to span a 00:1 total frequency range, 40kHz to 4MHz.
The LTC6907 is easily programmed according to this imple formula
LTC6907 Maximum Ratings
V+ ................................................................0.3V to 6V DIV to GND .................................... 0.3V to (V+ + 0.3V) SET to GND ................................... 0.3V to (V+ + 0.3V) GRD to GND .................................. 0.3V to (V+ + 0.3V) Operating Temperature Range (Note 7) LTC6907C .......................................... 40°C to 85°C LTC6907I............................................ 40°C to 85°C LTC6907H ........................................ 40°C to 125°C Specified Temperature Range (Note 7) LTC6907C ............................................... 0°C to 70°C LTC6907I............................................ 40°C to 85°C LTC6907H ........................................ 40°C to 125°C Storage Temperature Range ........... 65°C to 150°C Lead Temperature (Soldering, 10 sec)............... 300°C
LTC6907 Features
`Supply Current: 36A at 400kHz `1% Frequency Accuracy (from 0°C to 70°C) `Frequency Range: 40kHz to 4MHz `One Resistor Sets the Oscillator Frequency `40°C to 125°C Operating Temperature Range `Start-Up Time Under 200s at 4MHz `First Cycle After Power-Up is Accurate `150 CMOS Output Driver `Low Profile (1mm) SOT-23 (ThinSOTTM) Package
LTC6907 Typical Application
· Low Cost Precision Programmable Oscillator · Rugged, Compact Micropower Replacement for rystal and Ceramic Oscillators · High Shock and Vibration Environments · Portable and Battery-Powered Equipment · PDAs and Cellular Phones