SSDCP1108AF Spectrum Device General Purpose Peak EMI reduction IC General Features 选 择 deviations depending upon the value of an external resistor connected between SSEXTR and GND. Charge Pump (CP) control selects one of the two different Charge Pump current settings. Analog Deviation Selection Spread Spectrum Enable/Disable Supply Voltage: 2.5V±0.2V 3.3V±0.3V • 8pin TDFN(2X2) COL Packages • Commercial temperature range 佳 • • • SSDCP1108AF has an SSEXTR pin to select different 最 • function. SSDCP1108AF operates from a 3.3V/2.5V supply, and is available in an 8 pin TDFN(2X2) COL 的 • modulated clock output. SSDCP1108AF has a SSON pin for enabling and disabling Timing-Safe™ Spread Spectrum 1x, LVCMOS Peak EMI Reduction Incorporates the latest Timing-Safe™ technology which allows the spread of analog video signal Input frequency: 10MHz - 35MHz @ 2.5V 10MHz - 40MHz @ 3.3V Output frequency : 10MHz - 35MHz @ 2.5V 10MHz - 40MHz @ 3.3V packages, over Commercial temperature range. 案 • • DC coupled to XIN/CLKIN) and locks on to it delivering a 1x C方 Application Functional Description • SSDCP1108AF is targeted for consumer electronics EM SSDCP1108AF is a versatile, 3.3V/2.5V Peak EMI reduction application such as MFP, STB, DSC, MID,HDMI,LCD panel Camcorder,and other timing sensitive analog video imaging applications IC. SSDCP1108AF accepts an input clock either from a • Applications of HDMI, RJ45 port has good compatibility 技 — fundamental Crystal or from an external reference (AC or SSON CP VDD 韬 略 科 Block Diagram XIN/CLKIN XOUT Crystal Oscillator GND ModOUT PLL SSEXTR 1/9 SSDCP1108AF Spectrum Device Pin Configuration XIN / CLKIN 1 8 VDD 7 SSEXTR 3 6 CP GND 4 5 ModOUT XOUT 2 SSDCP1108A 佳 选 择 SSDCP1108AF SSON 最 Pin Description Description Pin Name Pin Type 1 XIN / CLKIN I Crystal connection or External reference clock input. 2 XOUT O Crystal connection. If using an external reference, this pin should be left open. 3 SSON I Spread Spectrum ON/OFF. Spread Spectrum function enabled when HIGH, disabled when LOW. Has an internal pull-up resistor inside. 4 GND P Ground 5 ModOUT O 6 CP I Modulated clock output Charge Pump current Select. When LOW selects Low CP current. Selects High CP current when pulled HIGH. Has an internal pull-up resistor inside. 7 SSEXTR I Analog Deviation Selection through external resistor to GND. 8 VDD P 2.5V / 3.3V supply Voltage. 案 C方 EM — 技 Frequency (MHz) 韬 2.5 略 VDD (V) 科 Frequency Selection table 的 Pin # 3.3 15-35 15-40 Operating Conditions Parameter VDD Description Supply Voltage Min Max Unit 2.3 3.6 V 0 TA Operating Temperature (Ambient Temperature) +70 °C CL Load Capacitance 10 pF CIN Input Capacitance 7 pF 2/9 SSDCP1108AF Spectrum Device Absolute Maximum Rating Symbol Rating Unit Voltage on any input pin with respect to Ground -0.5 to +4.6 V Storage temperature -65 to +125 °C °C °C Parameter VDD, V IN TSTG Max. Soldering Temperature (10 sec) TJ Junction Temperature 150 TDV Static Discharge Voltage (As per JEDEC STD22- A114-B) 择 Ts 260 2 KV 佳 选 Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect device reliability. Parameter Description 的 Test Conditions Input LOW Voltage VIH Input HIGH Voltage Min Typ Max Unit 2.3 2.5 2.7 V 0.7 V 1.7 V C方 VIL 案 Supply Voltage VDD 最 DC Electrical Characteristics for 2.5V Input LOW Current VIN = 0V 25 µA Input HIGH Current VIN = VDD 25 µA VOL Output LOW Voltage IOL = 8mA 0.6 V VOH Output HIGH Voltage IOH = -8mA ICC Static Supply Current XIN / CLKIN pulled low EM IIL IIH V — 1.8 Dynamic Supply Current Zo Output Impedance Unloaded Output 技 IDD 50 µA 12 mA Ω 科 35 略 Switching Characteristics for 2.5V Max Unit 35 MHz 55 % Measured between 20% to 80% 2.2 nS Measured between 80% to 20% 2 nS Test Conditions 韬 Parameter Input Frequency* / ModoUT Duty Cycle 1, 2 Output Rise Time Output Fall Time 1,2 Cycle-to-Cycle Jitter PLL Lock Time 2 2 Typ 10 Measured at V DD /2 1, 2 Min 45 Unloaded output with SSEXTR OPEN @ 27MHz Stable power supply, valid clock presented on XIN / CLKIN Note: 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. 3/9 50 ±175 pS 3 mS SSDCP1108AF Spectrum Device DC Electrical Characteristics for 3.3V Parameter VDD Description Test Conditions Supply Voltage VIL Input LOW Voltage VIH Input HIGH Voltage IIL Input LOW Current VIN = 0V IIH Input HIGH Current VIN = VDD Output LOW Voltage IOL = 8mA XIN / CLKIN pulled low IDD Dynamic Supply Current Unloaded Output Zo Output Impedance 3.6 V 0.8 V 25 µA 25 µA 0.4 V 50 µA 16 mA V Min Typ 10 45 50 — Measured at V DD /2 3, 4 Measured between 20% to 80% 3, 4 技 Measured between 80% to 20% 4 科 Unloaded output with SSEXTR OPEN @ 27MHz Stable power supply, valid clock presented on PLL Lock Time 4 Ω 30 的 EM Input Frequency* / ModOUT V 案 Test Conditions Parameter Output Fall Time 3.3 2.4 C方 Switching Characteristics for 3.3V Cycle-to-Cycle Jitter 3.0 择 IOH = -8mA Static Supply Current Output Rise Time Unit 最 Output HIGH Voltage ICC 3, 4 Max 2.0 VOH Duty Cycle Typ 佳 选 VOL Min 略 XIN / CLKIN 韬 Note: 3. All parameters are specified with10pF loaded outputs. 4. 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. 4/9 Max Unit 40 MHz 55 % 1.8 nS 1.6 ±150 nS pS 3 mS SSDCP1108AF Spectrum Device Typical Crystal Specifications Fundamental AT cut parallel resonant crystal 27MHz Frequency tolerance ± 50 ppm or better at 25°C Operating temperature range 0°C to +70°C Storage temperature -40°C to +85°C Load capacitance(CP) 18pF Shunt capacitance 7pF maximum ESR 25 Ω 佳 选 择 Nominal frequency Note: C L is the Load Capacitance and Rx is used to prevent oscillations at overtone frequency of the Fundamental frequency. 最 Typical Crystal Interface Circuit SSDCP1108A C方 案 的 R XIN/CLKIN EM Crystal CL XOUT Rx — CL 科 技 CL = 2*(CP – CS), Where CP = Load capacitance of crystal from crystal vendor datasheet CS = Stray capacitance due to CIN, PCB, Trace etc. 略 Switching Waveforms 韬 Duty Cycle Timing t1 t2 VDD/2 VDD/2 OUTPUT Output Rise/Fall Time 80% 80% 20% 20% OUTPUT t3 t4 5/9 VDD/2 SSDCP1108AF Spectrum Device Application Schematic Noise Reduction Filter VDD R SSDCP1108AF 1 XIN/CLKIN CL C VDD 8 择 CL is the load capacitance for proper XTAL operation External Deviation Control XOUT 3 SSON 4 GND SSEXTR CP 7 VDD R1 佳 选 2 VDD SSEXTR can be Pulled HIGH to turn OFF Deviation 6 SSON Control 最 CP Control 的 ModOUT 5 C方 案 Note: SSON (Pin#3) CP (Pin#6): Connect to VDD or GND Refer to Pin Description table for Functionality details Note: For AC Coupled Interface refer to Application Brief: CT100801 — EM Deviation Vs SSEXTR resistance Charts at 27MHz Deviation Vs SSEXTR Resistance @ 27MHz CP=1 技 2.5 科 MR=1 韬 略 Deviation(±%) 2.0 1.5 1.0 0.5 0.0 0 50 100 150 200 250 300 350 400 450 500 550 600 650 Resistance(KΩ) 6/9 Analog Deviation Control SSDCP1108AF Spectrum Device Deviation Vs SSEXTR Resistance @ 27MHz 2.5 CP=0 MR=0 择 1.5 1.0 佳 选 Deviation(±%) 2.0 0.5 0 50 100 150 200 韬 略 科 技 — EM C方 案 的 Resistance(KΩ) 7/9 250 最 0.0 300 SSDCP1108AF Spectrum Device 韬 略 科 技 — EM C方 案 的 最 佳 选 择 TDFN COL 2x2 8L package Outline drawing Dimensions Symbol A A3 b D Inches Max Min 0.027 0.0315 Millimeters Max Min 0.70 0.008 BSC 0.008 0.012 0.80 0.203 BSC 0.20 0.079 BSC 0.30 2.00 BSC E 0.078 BSC 2.00 BSC e 0.020 BSC 0.50 BSC L 0.020 0.024 8/9 0.50 0.60 SSDCP1108AF Spectrum Device Ordering Code Marking DA SSDCP1108AF-08-CR Temperature Package 8- pin 2-mm TDFN COL - TAPE & REEL, Green Device Ordering Information 佳 F - 08 - C R 最 SSD C P 1 108A 0 °C to +70 °C 选 择 Part Number EM C方 案 的 R = Tape & Reel, T = Tube or Tray O = TSOT23 S = SOIC T = TSSOP A = SSOP V = TVSOP B = BGA Q = QFN U = MSOP E = TQFP L = LQFP U = MSOP P = PDIP D = QSOP X = SC-70 J=TSOT26 C=TDFN (2X2) COL DEVICE PIN COUNT 技 — F = LEAD FREE AND RoHS COMPLIANT PART G = GREEN PACKAGE, LEAD FREE, and RoHS PART NUMBER 科 I= Industrial (-40 °C to +85 °C ) 韬 略 A = Clock Generator B = Non PLL based C = EMI Reduction D = DDR support products E = STD Zero Delay Buffer P or n/c = Commercial (0 °C to +70 )°C F = Power Management G = Power Management H = Power Management I = Hi Performance J = Reserved Spread Spectrum Device CO.,LTD Copyright All rights reserved by Spread Spectrum Device Part Number:SSDCP1108AF EMAIL:[email protected] 9/9 ande 13510990352