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CF5075B4-4 Datasheet(PDF) 9 Page - Nippon Precision Circuits Inc |
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CF5075B4-4 Datasheet(HTML) 9 Page - Nippon Precision Circuits Inc |
9 / 14 page 5075 series SEIKO NPC CORPORATION —9 FUNCTIONAL DESCRIPTION Oscillation Start-up Detector Function The devices also feature an oscillation start-up detector circuit. This circuit functions to disable the outputs until the oscillation starts. This prevents unstable oscillator output at oscillator start-up when power is applied. TYPICAL PERFORMANCE (5075B1) The following characteristics measured using the crystal below. Note that the characteristics will vary with the crystal used. I Crystal used for measurement I Crystal parameters Frequency Pulling Range Pulling Sensitivity Measurement circuit Parameter fO = 27MHz C0 [pF] 1.5 γ (= C0/C1) 300 L1 C0 R1 C1 VDD = 2.5V, fOUT = 27MHz, Ta = R.T. 0 50 −50 −100 −150 −200 −250 100 150 200 250 0.00 0.25 0.50 VC [V] 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 VDD = 3.3V, fOUT = 27MHz, Ta = R.T. 0 50 −50 −100 −150 −200 −250 100 150 200 250 0.00 0.30 0.60 VC [V] 0.90 1.20 1.50 1.80 1.65 2.10 2.40 2.70 3.30 3.00 VDD = 2.5V, 3.3V, fOUT = 27MHz, Ta = R.T. 0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 0 50 100 150 200 250 VC [V] VDD = 2.5V VDD = 3.3V VDD VSS XT Q Crystal XTN VC 0.1 µF CLOUT = 15pF (Including probe capacitance) |
Similar Part No. - CF5075B4-4 |
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Similar Description - CF5075B4-4 |
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