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LTC6905CS5 Datasheet(PDF) 3 Page - Linear Technology |
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LTC6905CS5 Datasheet(HTML) 3 Page - Linear Technology |
3 / 8 page LTC6905 3 6905fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS The ● denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25°C or as noted. V+ = 2.7V to 5.5V, RL= 15k, CL = 5pF, Pin 4 = V+ unless otherwise noted. All voltages are with respect to GND. Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: Frequency accuracy is defined as the deviation from the fOSC equation. Accuracy is tested with DIV = V+, N = 1 and other divide ratios are guaranteed by design. Note 3: Jitter is the ratio of the peak-to-peak distribution of the period to the mean of the period. This specification is based on characterization and is not 100% tested. Note 4: To conform with the Logic IC Standard convention, current out of a pin is arbitrarily given as a negative value. Note 5: Output rise and fall times are measured between the 10% and 90% power supply levels. ELECTRICAL CHARACTERISTICS TYPICAL PERFOR A CE CHARACTERISTICS Supply Current vs Frequency FREQUENCY (MHz) 0 10 12 14 200 6905 G01 8 ÷4 ÷4 ÷1 ÷1 6 0 2 50 100 150 4 18 16 5.5V 2.7V ÷2 ÷2 RSET (kΩ) 10 0 0.20 0.40 22 6905 G02 –0.20 –0.40 12 14 16 18 20 24 –0.60 –0.80 0.60 SUPPLY VOLTAGE (V) 2.5 –0.40 –0.20 0.20 0.40 0.60 4.5 1.40 6905 G03 0 3.5 3 5 4 5.5 0.80 1.00 1.20 Frequency Error vs RSET Frequency Error vs Supply Voltage VIL Low Level DIV Input Voltage ● 0.2 V IDIV DIV Input Current (Note 4) Pin 4 = V+ V+ = 5.5V ● 15 40 µA Pin 4 = 0V V+ = 5.5V ● –40 – 11 µA VOH High Level Output Voltage (Note 4) V+ = 5.5V IOH = – 1mA ● 5.25 5.45 V IOH = – 4mA ● 5.20 5.30 V V+ = 2.7V IOH = – 1mA ● 2.5 2.6 V IOH = – 4mA ● 2.4 2.4 V VOL Low Level Output Voltage (Note 4) V+ = 5.5V IOL = 1mA ● 0.05 0.25 V IOL = 4mA ● 0.2 0.3 V V+ = 2.7V IOL = 1mA ● 0.1 0.3 V IOL = 4mA ● 0.4 0.5 V tr, tf OUT Rise/Fall Time (Note 5) 0.5 ns VSET Voltage at RSET Pin V+ = 5.5V ● 4.27 4.5 4.73 V V+ = 2.7V ● 1.61 1.7 1.79 V Note 6: A heat sink may be required to keep the junction temperature below the absolute maximum when the output is shorted indefinitely. Note 7: The LTC6905C is guaranteed functional over the operating temperature range. Note 8: The LTC6905 is guaranteed to meet specified performance from 0°C to 70°C. The LTC6905C-XXX is designed, characterized and expected to meet specified performance from –40°C to 85°C but is not tested or QA sampled at these temperatures. The LTC6905I-XXX is guaranteed to meet specified performance from –40°C to 85°C. Note 9: The LTC6905 is optimized for the performance with a 3V power supply voltage. Please consult LTC Marketing for parts optimized for 5V operation. |
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