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EM8K Dataheets PDF



Part Number EM8K
Manufacturers EUROQUARTZ limited
Logo EUROQUARTZ limited
Description ULTRA-LOW CURRENT TCXO
Datasheet EM8K DatasheetEM8K Datasheet (PDF)

EURO QUARTZ EM8K ULTRA-LOW CURRENT TCXO 8 pin Dual-in-Line TCXO Highly stable CMOS TCXO with ultra-low supply current Industry-standard package Consumes less than 4mA at 20.0MHz with 3.3V supply Low phase noise RoHS compliant DESCRIPTION EM8K TCXOs and VCTCXOs are packaged in an 8 pin DIL package. The part offers the stability of a TCXO and the design convenience of HCMOS output with ultra-low current consumption. OUTLINES AND DIMENSIONS SPECIFICATION Product Code TCXO: VCTCXO: EM8K VEM8K 12.

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EURO QUARTZ EM8K ULTRA-LOW CURRENT TCXO 8 pin Dual-in-Line TCXO Highly stable CMOS TCXO with ultra-low supply current Industry-standard package Consumes less than 4mA at 20.0MHz with 3.3V supply Low phase noise RoHS compliant DESCRIPTION EM8K TCXOs and VCTCXOs are packaged in an 8 pin DIL package. The part offers the stability of a TCXO and the design convenience of HCMOS output with ultra-low current consumption. OUTLINES AND DIMENSIONS SPECIFICATION Product Code TCXO: VCTCXO: EM8K VEM8K 12.8MHz to 26.0MHz HCMOS <±2.0ppm at +25°±2°C 12.8, 13.0, 14.4, 15.36, 16.0, 16.384, 16.8, 19.2, 19.44, 19.68, 20.0 and 26.0MHz (Partial list.) See table See table ±1.0 ppm max. first year ±1.0 ppm max. ±10% change ±0.3 ppm max. ±10% change ±1.0ppm max. for one reflow (Measured after 24 hours) +2.8, 3.0 or 3.3 Volts See table See table 4ns typical with 15pF load 50%±5% 5ms typical, 10ms max. 15pF 12mA typical, 17mA max. (at TTL level) 3ps max. (1 Sigma, 1000 samples; capacitive coupling between Vdd and Ground). RoHS compliant and pB free 16mm tape, 8mm pitch 1000 pieces per reel. Frequency Range: Output Waveform: Initial Calibration Tolerance: Standard Frequencies: Operating Temperature Range: Frequency Stability vs. Temperature vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow (SMD type): Supply Voltage: Current Consumption: Output Logic Levels: Rise and Fall Times: Duty Cycle: Start-up Time: Output Load: Fanout (drive capability): RMS Period Jitter: VEM8K VOLTAGE CONTROL SPECIFICATION Control Voltage: Slope Polarity: Linearity: ±5 to ±12ppm for +1.5 ±1.5 Volts Positive (increase of control voltage increases output frequency.) 6% typical, 10% maximum RoHS Status: Packaging: CURRENT CONSUMPTION Frequency +2.8V 12.800MHz 13.000MHz 14.400MHz 16.384MHz 19.200MHz 19.440MHz 20.000MHz 26.000MHz 2.3mA 2.5mA 2.6mA 2.8mA 3.2mA 3.2mA 3.2mA 3.6mA typ. typ. typ. typ. typ. typ. typ. typ. Input Voltage +3.0V 2.4mA 2.6mA 2.8mA 3.0mA 3.3mA 3.4mA 3.4mA 3.8mA typ. typ. typ. typ. typ. typ. typ. typ. +3.3V 2.6mA 2.8mA 3.1mA 3.2mA 3.6mA 3.7mA 3.7mA 4.1mA typ. typ. typ. typ. typ. typ. typ. typ. SSB PHASE NOISE at 25°C Offset Part = VEM8K30 at 13.000MHz (dBc/Hz) 100Hz -80 1kHz -110 10kHz -130 100kHz -135 1MHz -142 PART NUMBER FORMAT Example: FREQUENCY STABILITY OVER TEMPERATURE Stability (ppm) 0 ~ +50 -10 ~ +60 Temp. Range (°C) -20 ~ +70 -30 ~ +75 -40 ~ +85 P ±1.0 P ASK X X X ±2.0 P P P P X ±2.5 P P P P X ±3.0 P P P P ASK ±4.0 P P P P ASK ±5.0 P P P P P EM8K33-20.000-2.5/-30+75 Series Description TCXO = EM8K VCTCXO = VEM8K Supply Voltage 28=2.8V, 30=3.0V, 33=3.3VDC Frequency (MHz) Stability over OTR (±ppm) Operating Temperature Range (OTR) Lower and upper limits (°C) = available, x = not available, ASK = call Technical Sales EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk http://www.Datasheet4U.com .


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