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1、General Purpose Peak EMI reduction ICGeneral Features 1x, LVCMOS Peak EMI Reduction Incorporates the latest Timing-Safe technology which allows the spread of analog video signal Input frequency:1 0MHz - 35MHz 2.5V1 0MHz - 40MHz 3.3V Output frequency :1 0MHz - 35MHz 2.5V1 0MHz - 40MHz 3.3V Analog Dev
2、iation Selection Spread Spectrum Enable/Disable Supply Voltage: 2.5V0.2V3.3V0.3V 8pin TDFN(2X2) COL Packages Commercial temperature rangeFunctional DescriptionSSDCP1108AF is a versatile, 3.3V/2.5V Peak EMI reductionIC. SSDCP1108AF accepts an input clock either from a fundamental Crystal or from an e
3、xternal reference (ACDC coupled to XIN/CLKIN) and locks on to it delivering a 1x modulated clock output. SSDCP1108AF has a SSON pin for enabling and disabling Timing-Safe Spread Spectrum function.SSDCP1108AF has an SSEXTR pin to select differentdeviations depending upon the value of an external resi
4、stor connected between SSEXTR and GND. Charge Pump (CP) control selects one of the two different Charge Pump current settings.SSDCP1108AF operates from a 3.3V/2.5V supply, and is available in an 8 pin TDFN(2X2) COL packages, over Commercial temperature range.ApplicationSSDCP1108AF is targeted for co
5、nsumer electronics application such as MFP, STB, DSC, MID,HDMI,LCD panel Camcorder,and other timing sensitive analog video imaging applicationsApplications of HDMI, RJ45 port has good compatibilityorBlock DiagramXIN/CLKINxout ModOUTPin ConfigurationXIN / CLKIN一o8XOUT L_-7SSON 匚SSSSCP1108AAF-6GNDu-5V
6、DDSSEXTRCPModOUTPin DescriptionPin #FVidcidrvHcri1XIN / CIKINCrystal connection or External reference clock input2XOUTOCrystal connection. If using an external reference, this pin should be left open.3SSONISpread Spectrum ON/OFF. Spread Spectrum function enabled when HIGH, disabled lA/hen I OW Has a
7、n internal pull-up resistor inside4GNDPGround5ModOUTOModulated clock output6CPICharge Pump current Select. When LOW selects Low CP current. Selects High CP current when pulled HIGH Has an internal pull-up resistor inside7SSEXTRAnalog Deviation Selection through external resistor to GND8VDDP2.5V / 3.
8、3V supply Voltage.Frequency Selection tableVDD (V)Frequency (MHz)2 5-15353 315.40Operating ConditionsParameterDescriptionMinMaxUnitVDDSupply Voltage2.33.6VTOpera ting Temperature (Ambient Temperature)0+70CACload Capacitance10pFLCInput Capac i tance7pFINSpectrum DeviceSSDCP1108AFAbsolute Maximum Rati
9、ngSymbolParameterRatingUnitVDD VVoltage on any input pin with respect to Ground-0.5 to +4.6VINTStorage temperature-65 to +125CSTGTMax. Soldering Temperature (10 sec)260CsJunction Temperature150CJTStatic IDischarge /oltage(As per IE DE STD22 A114 B)2KVDV77iNote: These are stress ratings only and are
10、not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affectDC Electrical Characteristics for 2.5VParameterDescriptionTest ConditionsMinTypMaxUnitVDDSupply Voltage2 3*-rr2 52 7VInput IOW/ Voltage0 7VVILVInput HIGH Voltage1 7VIHIInput ICW CurrentV = 0V
11、25卩AILIInput HIGH CurrentINV. 一 V25卩AIHVOutput I CW VoltageINDDI 一 8mA0.6V-V1OLVOutput HIGH VoltageOLI 一 -8mA1 8VVOHIStatic Supply CurrentOHXIN / CIKIN pulled low50hACCIDynamic Supply CurrentUnloaded Output12mAI1 DD7j1n r r Jn1Output Impedance35oSwitching Characteristics for 2.5VParameterTest Condit
12、ionsMinTypMaxUnitInput Frequency* /ModoUT1035MHzDuty Cycle1,2A Measured at /24 55055%Output R ise Time1,2DDIV Measured between 200/ to 800/2 2nSOutput F all Time1,2Measured bet ween 800/ to 20。/2nSCycle-to-Cycle Jitter2Unloaded output with SSEXTR OPEN 27MHz175pSPLL Lock Time 2Stable power supply, va
13、lid clock presented onXIN / CIKIM3mSNote: 1. All parameters are specified with 10pF loaded outputs.2. Parameter is guaranteed by design and characterization. Not 100% tested in production* Functionality with Crystal is guaranteed by design and characterization. Not 100% tested in production.Spectrum DeviceSSDCP1108AFDC Electrical Characteristics for 3.3VParameterDescriptionTest ConditionsMinTvpMaxUnitVDDSupply Voltage3 0 Jr3 33 6VInput 1 OW Voltage0 8VVILInput HIGH Voltage2 0VVIHInput ICW CurrentV = 0V25|iAIILInput HIGH CurrentVIN = 0VV i25卜 nAIHOutput I CWI /olta
