Obsolescence Notice This product is obsolete.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/ SP8804 3.3GHZ ÷ 4 Fixed Modulus Divider Advance Information DS2112 ISSUE 7.3 Features ● ● ● ● ● ● ● ● June 1999 Ordering Information SP8804/A/DG Military temperature range DES9056701/AC/DGAZ (SMD) Very High Speed Operation 3.3GHz Silicon Technology for low Phase Noise (Typically better than -140dBc/Hz at 10kHz) Specified Over the Full Military Temperature Range Low Power Dissipation 370mW (typ) 5V Single Supply Operation High Input Sensitivity Very Wide Operating Frequency Range Available as DESC SMD 5962-9056701MPA Thermal Characteristics θja = 150°C/W θjc = 50°C/W Description Absolute Maximum Ratings The SP8804 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 6.5V 2.5V p-p -65°C to +150°C +175°C SUPPLY 1 VCC VREF (2V) 400 500 500 400 7 ÷4 6 INPUT INPUT 2 3 5mA 2mA 6.75mA 5 GND Figure 1 SP8804 Block diagram OUTPUT OUTPUT Advance Information VCC 1 INPUT 2 INPUT 3 NC 4 SP8804 SP8804 8 NC 7 OUTPUT 6 OUTPUT 5 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 +105°C, VCC = 4.75V and 5.25V. Characteristic Pin Supply current Input sensitivity 0.65GHz to 2.8GHz 3.3GHz Input impedance (series equivalent) Output Voltage with fin =1000MHz Output Voltage with fin = 3GHz 1 2, 3 Min Value Typ 74 Max 90 Units mA Conditions V CC = 5V RMS sinewave measured in 50 ohm system. See Figs. 3 & 4 ;;; ;;; 175 400 2, 3 6, 7 6, 7 0.8 50 2 1 0.25 mV mV Ω pF Vp-p Vp-p V CC = 5V V CC = 5V load as Fig. 4 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) GUARANTEED* OPERATING WINDOW 300 200 100 1 2 3 FREQUENCY (GHz) Figure 3 Typical input sensitivity 2 4 Tested as specified in Table of electrical characteristics Advance Information SIGNAL GENERATOR 50Ω POWER METER 470 +5V 1 1n 1n 3p 8 2 7 SP8804 0.1µ 0.1µ FROM OUTPUT COAXIAL SWITCH 50Ω SP8804 3 6 4 5 RATIO COUNTER OUTPUT LOAD FOR AMPLITUDE MEASUREMENTS Figure 4 Test circuit Figure 5 Typical input impedance 3 For more information about all Zarlink products visit our Web Site at www.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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