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LTC6907 Dataheets PDF



Part Number LTC6907
Manufacturers Linear Technology
Logo Linear Technology
Description Micropower
Datasheet LTC6907 DatasheetLTC6907 Datasheet (PDF)

www.DataSheet4U.com LTC6907 Micropower, 40kHz to 4MHz Resistor Set Oscillator in SOT-23 DESCRIPTIO U : 3.3V, –1 : 3.3V, –3 : 3.3V, –10 100 10000 6907 TA02 FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ Supply Current: 36µA 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 200µs at 4MHz First Cycle After Power-Up is Accurate 150Ω CMOS Output Driver Low Profile (1mm) SOT-23 (Thi.

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www.DataSheet4U.com LTC6907 Micropower, 40kHz to 4MHz Resistor Set Oscillator in SOT-23 DESCRIPTIO U : 3.3V, –1 : 3.3V, –3 : 3.3V, –10 100 10000 6907 TA02 FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ Supply Current: 36µA 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 200µs at 4MHz First Cycle After Power-Up is Accurate 150Ω CMOS Output Driver Low Profile (1mm) SOT-23 (ThinSOTTM) Package The LTC®6907 is a precision programmable oscillator that is versatile, compact and easy to use. Micropower operation benefits portable and battery-powered equipment. At 400kHz, the LTC6907 consumes 36µA on a 3V supply. A single resistor programs the oscillator frequency over a 10:1 range with better than 0.65% initial accuracy. The output frequency can be divided by 1, 3 or 10 to span a 100:1 total frequency range, 40kHz to 4MHz. The LTC6907 is easily programmed according to this simple formula: in = V + ⎧10, DIV Pi 4MHz ⎛ 50k ⎞ ⎪ , N = ⎨3, DIV Pin = Open = •⎜ ⎟ N ⎝ R SET ⎠ ⎪1, DIV Pin = GND ⎩ U APPLICATIO S ■ ■ ■ ■ ■ Low Cost Precision Programmable Oscillator Rugged, Compact Micropower Replacement for Crystal and Ceramic Oscillators High Shock and Vibration Environments Portable and Battery-Powered Equipment PDAs and Cellular Phones ƒOUT The LTC6907 is available in the 6-lead SOT-23 (ThinSOT) package. Contact LTC Marketing for a version of the part with a shutdown feature or lower frequency operation. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATIO Micropower Clock Generator LTC6907 3V TO 3.6V 0.1µF ÷10 ÷3 ÷1 V+ GND DIV OUT 40kHz TO 4MHz SET RSET 50k TO 500k 6907 TA01 SUPPLY CURRENT (µA) GRD U Typical Supply Current vs Frequency 1000 CLOAD = 5pF T = 25°C 10 10 100 1000 OUTPUT FREQUENCY (kHz) 6907fa 1 www.DataSheet4U.com LTC6907 AXI U RATI GS ABSOLUTE U U W PACKAGE/ORDER I FOR ATIO TOP VIEW OUT 1 GND 2 DIV 3 6 V+ 5 GRD 4 SET (Note 1) 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.


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