Document
SP8804
3.3GHz ÷ 4 fixed Modulus Divider Advance Information
DS2112 Issue 7.3 June 1999
Features
q q q q q q q q
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
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.
Absolute Maximum Ratings
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) 400 400 7 ÷4 6 INPUT INPUT 2 3 5mA 6.75mA 2mA OUTPUT OUTPUT 500 500
5 GND
Figure 1 SP8804 Block diagram
SP8804
Advance Information
INPUT INPUT NC
SP8804
VCC
1 2 3 4
8 7 6 5
NC OUTPUT OUTPUT 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 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 Pin 1 2, 3 Min Value Typ 74 Max 90 175 400 Units mA Conditions VCC = 5V RMS sinewave measured in 50 ohm system. See Figs. 3 & 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)
300
200
100
2
,,
2, 3 6, 7 6, 7 0.8 50 2 1 0.25 mV mV Ω pF Vp-p Vp-p VCC = 5V VCC = 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
Advance Information
SP8804
SIGNAL GENERATOR COAXIAL SWITCH 50Ω +5V 1 1n 2 8 7
50Ω
POWER METER FROM OUTPUT
0.1µ
470
3p
SP8804
3 0.1µ 1n 4 6 5
RATIO COUNTER
OUTPUT LOAD FOR AMPLITUDE MEASUREMENTS
Figure 4 Test circuit
Figure 5 Typical input impedance
3
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. However, Mitel assumes no liability for errors that may appear in this publication, or for liability o.