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PDF PL502-30 Data sheet ( Hoja de datos )
| Número de pieza | PL502-30 | |
| Descripción | 750kHz - 800MHz Low Phase Noise VCXO | |
| Fabricantes | Micrel | |
| Logotipo |  |
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PL502-30
750kHz – 800MHz Low Phase Noise VCXO (for 12 to 25MHz Crystals)
FE AT UR E S
750kHz to 800MHz output range
Low phase noise output
-127dBc/Hz for 155.52MHz @ 10kHz offset
-115dBc/Hz for 622.08MHz @ 10kHz offset
Selectable LVCMOS, LVPECL or LVDS output
Selectable High Drive or Standard Drive LVCMOS
12MHz to 25MHz crystal input
No external load capacitor or varicap required
Output Enable selector
Wide pull range (±200ppm)
3.3V operation
Available in Die form (65 mil x 62 mil)
DIE CONFIGURATION
65 mil
(1550,1475)
25 24 23 22 21 20 19 18 17 GNDBUF
XIN 26
XOUT 27
Die ID:
B3535-43
16 LVCMOS
15 LVDSB
SEL3^ 28
14 LVPECLB
SEL2^ 29
13 VDDBUF
12 VDDBUF
OE_CTRL 30
C502
11 LVPECL
10 LVDS
VCON 31
9 OE_SEL^
12345 6 78
DESCRIPTION
The PL502-30 is a monolithic low jitter and low
phase noise VCXO IC with LVCMOS, LVDS and
LVPECL output capabilities, covering the 750kHz to
800MHz output range. It allows the control of the
output frequency with an input voltage (VCON),
using a low cost 12MHz to 25MHz crystal.
This one IC can be used to produce a VCXO with
output frequencies ranging from FXIN / 16 to FXIN x 32
thanks to the four frequency selector pads. This
makes the PL502-30 ideal as a universal die for
applications ranging from ADSL to SONET.
Y
X
(0,0)
Note: ^ denotes internal pull up
OUTPUT SELECTION AND ENABLE
OUTSEL1 OUTSEL0
(Pad #18) (Pad #25)
Selected Output
0 0 High Drive LVCMOS
0 1 Standard Drive LVCMOS
1 0 LVPECL
1 1 LVDS
DIE SPECIFICATIONS
Name
Value
Size
Reverse side
Pad dimensions
Thickness
62 x 65 mil
GND
80 micron x 80 micron
8 mil
OE_SELECT OE_CTRL
(Pad #9)
(Pad #30)
State
0
0 (Default)
Output enabled
1 Tri-state
1 (Default)
0
1 (Default)
Tri-state
Output enabled
Pad #9: Bond to GND to set to “0”, bond to VDD to set to “1”
Pad #30: Logical states defined by PECL levels if OE_SELECT is “0”
Logical states defined by CMOS levels if OE_SELECT is “1”
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 • www.micrel.com Rev 5/16/11 Page 1
1 page  
PL502-30
750kHz – 800MHz Low Phase Noise VCXO (for 12 to 25MHz Crystals)
8. LVDS Electrical Characteristics
PARAMETERS
SYMBOL
CONDITIONS
MIN. TYP. MAX. UNITS
Output Differential Voltage
VDD Magnitude Change
Output High Voltage
Output Low Voltage
Offset Voltage
Offset Magnitude Change
Power-Off Leakage
Output Short Circuit Current
VOD 247 355 454 mV
VOD
-50 50 mV
VOH RL = 100 Ω
1.4 1.6 V
VOL
(see figure)
0.9 1.1
V
VOS 1.125 1.2 1.375 V
VOS
0 3 25 mV
IOXD
Vout = VDD or GND
VDD = 0V
1 10 uA
IOSD -5.7 -8 mA
9. LVDS Switching Characteristics
PARAMETERS
SYMBOL
Differential Clock Rise Time
Differential Clock Fall Time
tr
tf
CONDITIONS
RL = 100 Ω
CL = 10 pF
(see figure)
MIN. TYP. MAX. UNITS
0.7 1.0 ns
0.7 1.0 ns
LVDS Levels Test Circuit
OUT
VOD
OUT
50?
VOS
50?
LVDS Switching Test Circuit
OUT
CL = 10pF
VDIFF
OUT
CL = 10pF
RL = 100?
LVDS Transistion Time Waveform
OUT
OUT
0V (Differential)
VDIFF
0V
20%
80%
80%
20%
tR tF
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 • www.micrel.com Rev 5/16/11 Page 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PL502-30.PDF ] | |
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