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KA2822D Datasheet(PDF) 10 Page - Fairchild Semiconductor |
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KA2822D Datasheet(HTML) 10 Page - Fairchild Semiconductor |
10 / 15 page KA2822D 10 Electrical Characteristics (Continued) (Ta=25 °C, VCC=5V) Notes: Reference value Parameter Symbol Conditions Min. Typ. Max. Units CHARGE PUMP Charge current ICP − RPM=L −15 −20 −25 µA Discharge current ICP+ RPM=L 15 20 25 µA Current ratio note IR ICP+ / ICP − 0.9 1.0 1.1 - Off current IOFF VCP=0.63V - - 50 nA Clamp voltage note VCLP - - 1.3 1.5 V FG AMP Output DC voltage note VFG - 1.0 1.3 1.6 V Voltage gain 2 GFG -24 34 44 dB Input voltage range note VIN - 2.0 - 20 mVP-P Noise margin 1 note ND Differential noise - - 0.5 mVP-P Noise margin 2 note NC Common mode noise - - 0.5 VP-P SPEED CONTROL Count range 1note N1 RPM=L - 1666.5 - - Count range 2 note N2 RPM=H - 1388.5 - - Operating freq. FD - - 1.0 1.1 MHz BURST ADJUSTMENT Input current IBI -- 1 2 µA Threshold voltage 1 VTH1 RPM=L 1.2 1.45 1.7 V Threshold voltage 2 VTH2 RPM=H 1.05 1.3 1.55 V PULSE WIDTH ADJUSMENT Ct2 charge current ICT2 - −19 −25 −36 µA Threshold voltage 3 VTH3 - 0.9 1.1 1.3 V INDEX OUTPUT Output leakage current note IOH -- 1 2 µA Output low voltageVO1 IO=1mA - 0.2 0.4 V |
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