SP8803

Obsolescence Notice This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/ SP8803 3.3GHZ ÷ 32 Fixed Modulus Divider DS3156 ISSUE 8.0 October 2002 Features G G G G G G G Ordering Information SP8803/A/DG Military temperature range Very High Speed Operation 3.3GHz Silicon Technology for low Phase Noise (Typically better than -150dBc/Hz at 10kHz) Specified Over the Full Military Temperature Range Low Power Dissipation 390mW (typ) 5V Single Supply Operation High Input Sensitivity Very Wide Operating Frequency Range Thermal Characteristics θja = 150°C/W Description Absolute Maximum Ratings The SP8803 is one of a range of very high speed low power prescalers for professional and military applications. The device features a complementary output stage with on chip current source for the emitter follower outputs. Supply voltage VCC Clock Input voltage Storage temperature range Junction temperature SUPPLY 1 VCC VREF (2V) 6.5V 2.5V p-p -65°C to +150°C +175°C 500 400 500 400 7 ÷32 6 INPUT INPUT 2 3 2.5mA 6.75mA 2mA OUTPUT OUTPUT 5 GND Figure 1 SP8803 Block diagram SP8803 INPUT SP8803 VCC 1 2 3 4 8 7 6 5 NC OUTPUT INPUT OUTPUT NC GND DG8 Figure 2 Pin connections Electrical Characteristics Guaranteed over the temperature range Tamb -55°C to +125 °C (see note) and supply voltage range 4.75V to 5.25V. Tested at Tamb = -55°C and +125°C, VCC = 4.75V and 5.25V. Characteristic Supply current Input sensitivity 0.65GHz to 2.8GHz 3.3GHz Input impedance (series equivalent) Output Voltage with fin = 650MHz Output Voltage with fin = 3GHz Pin 1 2, 3 Min Value Typ 78 NOTE: Devices must be used with a suitable heatsink to maintain chip temperature below 175°C when operating at Tamb>105°C. 500 400 VIN (mV RMS INTO 50 OHMS) 300 200 100 ;;; ;;; 175 400 Max 90 Units mA Conditions V CC = 5V RMS sinewave measured in 50 ohm system. See Figs. 3 & 4 2, 3 6, 7 6, 7 0.815 50 2 1.09 1.03 1.36 mV mV Ω pF Vp-p Vp-p V CC = 5V V CC = 5V load as Fig. 4 * GUARANTEED* OPERATING WINDOW Tested as specified in Table of electrical characteristics 1 2 3 4 FREQUENCY (GHz) Figure 3 Typical input sensitivity 2 SP8803 SIGNAL GENERATOR COAXIAL SWITCH 50Ω +5V 50Ω POWER METER FROM OUTPUT 0.1µ 470 3p 1 1n 8 7 2 SP8803 3 0.1µ 1n 6 5 RATIO COUNTER OUTPUT LOAD FOR AMPLITUDE MEASUREMENTS 4 Figure 4 Test circuit Figure 5 Typical input impedance 3 For more information about all Zarlink products visit our Web Site at w ww.zarlink.com Information relating to products and services furnished herein by Zarlink Semiconductor Inc. or its subsidiaries (collectively “Zarlink”) is believed to be reliable. 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