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AD9552PCBZ Datasheet(PDF) 4 Page - Analog Devices

No. de pieza AD9552PCBZ
Descripción Electrónicos  Oscillator Frequency Upconverter
PDF  32 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

AD9552PCBZ Datasheet(HTML) 4 Page - Analog Devices

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AD9552
Rev. C | Page 4 of 32
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Input Capacitance
3
pF
Input Resistance
130
kΩ
Duty Cycle
40
60
%
Input Voltage
Input High Voltage, VIH
0.52
V
Input Low Voltage, VIL
1.62
V
Input Threshold Voltage
1.0
V
When ac coupling to the input receiver, the user must dc bias the input
to 1 V
VCO CHARACTERISTICS
Frequency Range
Upper Bound
4050
MHz
Lower Bound
3350
MHz
VCO Gain
45
MHz/V
VCO Tracking Range
±300
ppm
VCO Calibration Time
140
μs
fPFD7 = 77.76 MHz; time between completion of the VCO calibration
command (the rising edge of CS (Pin 12)) to the rising edge of LOCKED
(Pin 20).
1 The A[2:0], Y[5:0], and OUTSEL pins have 100 kΩ internal pull-up resistors.
2 The RESET pin has a 100 kΩ internal pull-up resistor, so the default state of the device is reset.
3 N is the integer part of the feedback divider.
4 Sigma-delta modulator.
5 The minimum allowable feedback divider value with the SDM disabled.
6 The minimum allowable feedback divider value with the SDM enabled.
7 The frequency at the input to the phase-frequency detector.
CRYSTAL INPUT CHARACTERISTICS
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
CRYSTAL FREQUENCY
Range
10
26
52
MHz
Tolerance
20
ppm
CRYSTAL MOTIONAL RESISTANCE
100
Ω
CRYSTAL LOAD CAPACITANCE
15
pF
Using a crystal with a specified load capacitance other than
15 pF (8 pF to 24 pF) is possible, but necessitates using the
SPI port to configure the AD9552 crystal input capacitance.
OUTPUT CHARACTERISTICS
Table 3.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LVPECL MODE
Differential Output Voltage Swing
690
765
889
mV
Output driver static
Common-Mode Output Voltage
VDD − 1.77
VDD − 1.66
VDD − 1.20
V
Output driver static
Frequency Range
0
900
MHz
Duty Cycle
40
60
%
Up to 805 MHz output frequency
Rise/Fall Time1 (20% to 80%)
255
305
ps
100 Ω termination between both pins of
the output driver



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