SP8910 (MP) 5GHZ 4 410 Fixed Modulus Divider Preliminary Information DS4360 Issue 1.3 September 1999 The SP8910 is one of a range of very high speed low power prescalers for professional applications. The dividing elements are static D type flip flops and therefore allow operation down to DC if the drive signal is a pulse waveform with fast risetime. The output stage has internal100 ohm pull up resistors, giving a 0·5V p-p output. If required, an external 100 ohm can be connected in parallel to give a 50 ohm output. Ordering Information SP8910/KG/MP1S (tubes) SP8910/KG/MP1T (tape and reel) Features Absolute Maximum Ratings ● Very High Operating Speed ● Operation down to DC with Square Wave Input ● Silicon Technology for Low Phase Noise Supply voltage, VCC 6·5V Storage temperature 265°C to 1150°C Maximum junction temperature 1150°C Prescaler input voltage 2·5Vp-p Operating temperature KG240°C to 185°C TCASE (Typically better than 2140dBc/Hz at 1KHz) ● 5V Single Supply Operation ● Low Power Dissipation: 340mW (Typ.) ● Surface Mount Plastic Package VCC 1 OUTPUT VCC 8 100 100 7 6 VREF 45 400 INPUT INPUT 42 400 2 5mA 3 4 4 GND Figure 1 block diagram OUTPUT OUTPUT SP8910 VCC 1 INPUT 2 INPUT GND 8 OUTPUT VCC 7 OUTPUT 3 6 OUTPUT 4 5 GND SP8910 MP8 Figure 2 Pin connections - top view Electrical Characteristics These characteristics are guaranteed by either production test or design over the following range of operating conditions unless otherwise stated: TAMB = 240°C to 185°C, VCC = 4·75V to 5·25V Value Characteristic Pin 1, 8 2, 3 2, 3 2, 3 2, 3 2, 3 2, 3 6, 7 6, 7 Supply current Input frequency Input frequency Input sensitivity Input sensitivity Input overload Input overload Output voltage Output power Min. Typ. Max. 1·0 1·0 440 700 218·0 68 - 92 5·0 5·5 180 570 24·0 0·25 29·0 Units Conditions mA GHz GHz mVrms mVrms mVrms mVrms Vp-p dBm RMS sinewave RMS sinewave, TCASE = 255°C to 185°C fIN = 1GHz and 4.2GHz fIN = 5GHz fIN = 1GHz and 3GHz fIN = 5.0GHz and 3.8GHz Into 100Ω pullup resistor fIN = 1GHz and 5GHz (see note 1 ) NOTE 1. Measured into 50Ω measuring instrument in parallel with 100Ω pullup resistor. See Figure 5. VIN INTO 50Ω (mV RMS) 800 600 TESTED AS PER TABLE OF ELECTRICAL CHARACTERISTICS 400 OPERATING WINDOW 200 1 2 3 4 5 FREQUENCY (GHz) Figure3 Typical input sensitiviy (sinewave drive) 2 6 7 SP8910 VCC 15V SIGNAL GENERATOR 2 100 8 1 1n SP8910 100 1n 7 3 6 4 5 50Ω MEASURING INSTRUMENT 1n 10n 1n 10n Figure 4 Typical application and test circuit j1 j0.5 j2 3GHz j0.2 5GHz 0 0.2 0.5 1 2 j5 5 0·3GHz 1GHz 2j5 2j0.2 2j2 2j0.5 2j1 Figure 5 Typical input impedance 3 4 Figure 6 Typical phase noise, input frequency = 3GHz 10 2 170 2 160 2 150 2 140 2 130 2 120 2 110 2 100 2 90 2 80 2 70 2 60 2 50 2 40 2 30 2 20 2 10 0 100 1k FREQUENCY (Hz) 10k 100k SP8910 L(f) [dBc/Hz] http://www.mitelsemi.com World Headquarters - Canada Tel: +1 (613) 592 2122 Fax: +1 (613) 592 6909 North America Tel: +1 (770) 486 0194 Fax: +1 (770) 631 8213 Asia/Pacific Tel: +65 333 6193 Fax: +65 333 6192 Europe, Middle East, and Africa (EMEA) Tel: +44 (0) 1793 518528 Fax: +44 (0) 1793 518581 Information relating to products and services furnished herein by Mitel Corporation or its subsidiaries (collectively “Mitel”) is believed to be reliable. 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