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DSC2133 Datasheet(PDF) 4 Page - Micrel Semiconductor |
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DSC2133 Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 6 page ______________________________________________________________________________________________________________________________________________ DSC2133 DSC2233 Page 4 MK-Q-B-P-D-12050109 DSC2133 Low-Jitter I2C/SPI Programmable Dual LVDS Oscillator DSC2233 Absolute Maximum Ratings Item Min Max Unit Condition Supply Voltage -0.3 +4.0 V Input Voltage -0.3 VDD+0.3 V Junction Temp - +150 °C Storage Temp -55 +150 °C Soldering Temp - +260 °C 40sec max. ESD HBM MM CDM - 4000 400 1500 V Note: 1000+ years of data retention on internal memory Ordering Code Specifications (Unless specified otherwise: T=25° C) Notes: 1. Pin 4 VDD should be filtered with 0.01uf capacitor. 2. Output is enabled if Enable pad is floated or not connected. 3. tsu is time to 100PPM stable output frequency after VDD is applied and outputs are enabled. 4. Output Waveform and Test Circuit figures below define the parameters. 5. Period Jitter includes crosstalk from adjacent output. Parameter Condition Min. Typ. Max. Unit Supply Voltage1 VDD 2.25 3.6 V Supply Current IDD EN pin low – outputs are disabled 21 23 mA Supply Current2 IDD EN pin high – outputs are enabled RL=100Ω, FO1=FO2 =156.25 MHz 38 mA Frequency Stability Δf Includes frequency variations due to initial tolerance, temp. and power supply voltage ±25 ±50 ppm Aging Δf 1 year @25°C ±5 ppm Startup Time3 tSU T=25°C 5 ms Input Logic Levels Input logic high Input logic low VIH VIL 0.75xVDD - - 0.25xVDD V Output Disable Time4 tDA 5 ns Output Enable Time tEN 20 ns Pull-Up Resistor2 Pull-up exists on all digital IO 40 kΩ LVDS Outputs Output Offset Voltage R=100Ω Differential 1.125 1.4 V Delta Offset Voltage 50 mV Pk to Pk Output Swing Single-Ended 350 mV Output Transition time4 Rise Time Fall Time tR tF 20% to 80% RL=50Ω, CL= 2pF 200 ps Frequency f0 Single Frequency 2.3 460 MHz Output Duty Cycle SYM Differential 48 52 % Period Jitter5 JPER FO1=FO2=156.25 MHz 2.5 psRMS Integrated Phase Noise JCC 200kHz to 20MHz @148.5MHz 100kHz to 20MHz @148.5MHz 12kHz to 20MHz @148.5MHz 0.28 0.4 1.7 2 psRMS DSC2 xxxxx Freq (MHz) See Freq. table - Packing T: Tape & Reel : Tube F I 2 Package F: 3.2x2.5mm Temp Range E: -20 to 70 I: -40 to 85 Stability 1: ±50ppm 2: ±25ppm T 33 1 Prog Mode 1: I2C bus 2: SPI bus |
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