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LMX2512 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LMX2512 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 18 page Electrical Characteristics (V CC =VDD = 2.8 V, TA = 25 ˚C; unless otherwise noted) (Continued) Symbol Parameter Condition Min Typ Max Units IF PLL f Fin Operating Frequency (Note 8) LMX2502LQ1635 IF_FREQ [1:0] = 10, Default Value 440.76 MHz LMX2512LQ0967 IF_FREQ [1:0] = 00, Default Value 170.76 MHz LMX2512LQ1065 IF_FREQ [1:0] = 01, Default Value 367.20 MHz P Fin IF Input Sensitivity -10 0 dBm fΦIF Phase Detector Frequency 120 kHz I CPout Charge Pump Current IF_CUR [1:0] = 00 100 µA IF_CUR [1:0] = 01 200 µA IF_CUR [1:0] = 10 300 µA IF_CUR [1:0] = 11 800 µA DIGITAL INTERFACE (DATA, CLK, LE, LD, CE) V IH High-Level Input Voltage 0.8 V DD V DD V 0.8 V CC V CC V V IL Low-Level Input Voltage 0 0.2 V DD V 0 0.2 V CC V I IH High-Level Input Current -10 10 µA I IL Low-Level Input Current -10 10 µA Input Capacitance 3 pF V OH High-Level Output Voltage 0.9 V DD V 0.9 V CC V V OL Low-Level Output Voltage 0.1 V DD V 0.1 V CC V Output Capacitance 5pF MICROWIRE INTERFACE TIMING t CS Data to Clock Set Up Time 50 - - ns t CH Data to Clock Hold Time 10 - - ns t CWH Clock Pulse Width HIGH 50 - - ns t CWL Clock Pulse Width LOW 50 - - ns t ES Clock to Latch Enable Set Up Time 50 - - ns t EW Latch Enable Pulse Width 50 - - ns Note 4: In power down mode, set DATA, CLK, and LE pins to 0 V (GND). Note 5: The reference frequency must also be programmed using the OSC_FREQ control bit. For other reference frequencies, please contact National Semiconductor. Note 6: For other frequency ranges, please contact National Semiconductor. Note 7: Lock time is defined as the time difference between the beginning of the frequency transition and the point at which the frequency remains within +/- 1 kHz of the final frequency. Note 8: Frequencies other that the default value can be programmed using Words R4 and R5. See Programming Description for details. www.national.com 5 |
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Similar Description - LMX2512 |
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