MITEL SP8902KG

SP8902 (MP)
5GHZ 4
42 Fixed Modulus Divider
Preliminary Information
DS4375 Issue 1.4 September 1999
The SP8902 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
SP8902/KG/MP1S (tubes)
SP8902/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: 335mW (Typ.)
● Surface Mount Plastic Package
OUTPUT
VCC VCC
1
8
7
6
VREF
42
400
INPUT
INPUT
400
2
10mA
3
4
4
GND
Figure 1 block diagram
OUTPUT
OUTPUT
SP8902
VCC
1
INPUT
2
INPUT
GND
8
OUTPUT VCC
7
OUTPUT
3
6
OUTPUT
4
5
GND
SP8902
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
6, 7
6, 7
Supply current
Input frequency
Input sensitivity
Input sensitivity
Input overload
Input overload
Output voltage
Output power
Min.
Typ.
Max.
1·0
440
700
215·0
67
0·5
112
92
5·0
180
570
12·0
Units
Conditions
mA
GHz
mVrms
mVrms
mVrms
mVrms
Vp-p
dBm
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 measuring instrument in parallel with 50Ω 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
SP8902
VCC 15V
1
8
2
7
1n
SIGNAL
GENERATOR
SP8902
3
6
4
5
50
50
1n
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
SP8902
L(f) [dBc/Hz]
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