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SP8908

Part Number	SP8908
Manufacturer	Zarlink Semiconductor
Description	5GHZ/ 8 Fixed Modulus Divider
Published	Apr 17, 2007
Detailed Description	SP8908 (MP) 5GHZ ÷ 8 Fixed Modulus Divider Preliminary Information DS4359 ISSUE 1.3 September 1999 The SP8908 is one of...
Datasheet	SP8908 PDF File

Overview

SP8908 (MP) 5GHZ ÷ 8 Fixed Modulus Divider Preliminary Information DS4359 ISSUE 1.
3 September 1999 The SP8908 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 a differential current output and provides a direct drive into a 50 ohm load.
Ordering Information SP8908/KG/MP1S (tubes) SP8908/KG/MP1T (tape and reel) Features • Very High Operating Speed • Operation down to DC with Square Wave Input • Silicon Technology for Low Phase Noise (Typically better than 2140dBc/Hz at 1KHz) • 5V Single Supply Operation • Low Power Dissipation: 360mW (Typ.
) • Surface Mount Plastic Package Absolute Maximum Ratings 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 www.
DataSheet4U.
com OUTPUT VCC VCC 1 8 7 6 48 OUTPUT OUTPUT VREF 400 INPUT INPUT 2 3 400 10mA 4 4 GND Figure 1 - Block Diagram SP8908 Preliminary Information VCC INPUT INPUT GND 1 2 8 7 OUTPUT VCC OUTPUT OUTPUT GND SP8908 3 4 6 5 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 Supply current Input frequency Input sensitivity Input sensitivity Input overload Input overload Output voltage Output power Pin 1, 8 2, 3 2, 3 2, 3 2, 3 2, 3 6, 7 6, 7 Min.
1·0 440 700 210·0 Typ.
72 0·5 0 Max.
96 5·0 180 570 12·0 Units mA GHz mVrms mVrms mVrms mVrms Vp-p dBm Conditions RMS sinewave fIN = 1GHz and 4.
2GHz fIN = 5GHz fIN = 1GHz and 3GHz fIN = 5.
0GHz and 3.
8GHz Into 50Ω pullup resistor fIN = 1GHz and 5GHz (see note 1 ) NOTE 1.
Measured into 50Ω measurin...

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