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CDCE72010 Datasheet(PDF) 8 Page - Texas Instruments |
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CDCE72010 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 70 page AC/DC CHARACTERISTICS CDCE72010 SCAS858 – JUNE 2008...................................................................................................................................................................................................... www.ti.com over the specified industrial temperature range of –40°C to 85°C PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT SPI Output (MISO) / PLL Digital (Output Mode) IOH High-level output current VCC = 3.3 V VO = 1.65 V –30 mA IOL Low-level output current VCC = 3.3 V VO = 1.65 V 33 mA High-level output voltage VOH VCC = 3 V IOH = –100 µA VCC–0.5 V for LVCMOS outputs Low-level output voltage VOL VCC = 3 V IOL = 100 µA 0.3 V for LVCMOS outputs Output capacitance on CO VCC = 3.3 V; VO = 0 V or VCC 3 pF MISO IOZH 3-state output current 5 µA VO= VCC VO= 0V IOZL 3-state output current –5 µA PLL Analog (Input Mode) High-impedance state IOZH LOCK output current for PLL VO = 3.3 V (PD is set low) 22 µA LOCK output (2) High-impedance state IOZL LOCK output current for PLL VO = 0 V (PD is set low) –22 µA LOCK output Positive input threshold VT+ VCC = min to max VCC × 0.55 V voltage Negative input threshold VT– VCC = min to max VCC × 0.35 V voltage VBB VCXO termination voltage depends on the settings IBB = –0.2mA VBB 0.9 1.9 V of the VCXO/AUX_IN Depending on the setting input buffers Input Buffers Internal Termination Resistors (VCXO_IN,PRI_REF and SEC_REF) Termination resistance(3) Single ended 53 Ω Phase Detector Maximum charge pump fCPmax Default PFD pulse width delay 100 MHz frequency Charge Pump Charge pump 3-state ICP3St 0.5 V < VCP < VCC_CP – 0.5 V 15 nA current ICPA ICP absolute accuracy VCP = 0.5 VCC_CP; internal reference resistor 20 % VCP = 0.5 VCC_CP; external reference resistor ICPA ICP absolute accuracy 5 % 12k Ω (1%) Sink/source current 0.5 V < VCP < VCC_CP – 0.5 V, SPI default ICPM 4 % matching settings IVCPM ICP vs VCP matching 0.5 V < VCP < VCC_CP – 0.5 V 6 % Voltage on STATUS PIN 12-k Ω resitor to GND VI_REF_CP when configured as (External current path for accurate charge 1.24 V I_REF_CP pump current) (1) All typical values are at VCC = 3.3 V, TA = 25°C. (2) 160-k Ω pull-down resistor (3) Termination resistor can vary by 20%. 8 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): CDCE72010 |
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