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PL520-20 の電気的特性と機能

PL520-20のメーカーはMicrelです、この部品の機能は「Low Phase Noise VCXO」です。


製品の詳細 ( Datasheet PDF )

部品番号 PL520-20
部品説明 Low Phase Noise VCXO
メーカ Micrel
ロゴ Micrel ロゴ 




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PL520-20 Datasheet, PL520-20 PDF,ピン配置, 機能
PL520-20
Low Phase Noise VCXO (for 100-200MHz Fundamental Crystals)
FE AT UR E S
100MHz to 200MHz Fundamental Mode Crystals
Output range (no PLL):
100MHz 200MHz (3.3V).
100MHz 170MHz (2.5V).
Low Injection Power for crystal 50uW.
Complementary outputs: CMOS, PECL or LVDS.
Selectable OE Logic (enable high or enable low).
Integrated variable capacitors.
Supports 2.5V or 3.3V-Power Supply.
Available in die form.
Die thickness is 10 mil.
DESCRIPTION
PL520-20 is a VCXO IC specifically designed to pull
high frequency fundamental crystals. Its design was
optimized to tolerate higher limits of inter-electrode
capacitance and bonding capacitance to improve
yield. It achieves very low current into the crystal
resulting in better overall stability. Its internal
varicaps allow on-chip frequency pulling, controlled
by the VCON input.
BLOCK DIAGRAM
VCON Oscillator
Amplifier
X+
w/
integrated
varicaps
X-
OE
Q
Q
PL520-20
DIE CONFIGURATION
65 mil
25 24 23 22 21 20 19 18
XIN 26
XOUT 27
Die ID:
A1919-19B
DNC 28
DNC 29
OE 30
VCON 31
C502A
12345 6 78
(1550,1475)
17 GNDBUF
16 CMOS
15 LVDSB
14 PECLB
13 VDDBUF
12 VDDBUF
11 PECL
10 LVDS
9 OE_SELECT
Y (0,0)
X
DIE SPECIFICATIONS
Name
Size
Reverse side
Pad dimensions
Thickness
Value
62 x 65 mil
GND
80 micron x 80 micron
10 mil
OUTPUT SELECTION AND ENABLE
Pad #18
OUTSEL1
0
0
1
1
Pad #25
OUTSEL0
0
1
0
1
Selected Output
High Drive CMOS
Standard CMOS
L VD S
PECL (default)
OE_SELECT
(Pad #9)
OE
(Pad #30)
State
0
0 Tri-state
1 (Default) Output enabled
1 (Default)
0 (Default) Output enabled
1 Tri-state
Pad #9, 18, 25 : Bond to GND to se t to “0 ”, bond to VD D to se t to “1 ”
No connec tion resul ts to “de fau l t” se tting through in ternal pu ll -up/-do wn.
Pad #30: Logical s ta tes de fined by PECL leve ls i f O E_SELECT (pad #9) is “1 ”
Logical s ta tes de fined by CM OS levels i f O E_SELECT is “0 ”
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 • www.micrel.com Rev 3/13/07 Page 1

1 Page





PL520-20 pdf, ピン配列
PL520-20
Low Phase Noise VCXO (for 100-200MHz Fundamental Crystals)
3. Voltage Control Crystal Oscillator
PARAMETERS
SYMBOL
CONDITIONS
MIN. TYP. MAX. UNITS
VCXO Stabilization Time *
TV CXO ST B
From power valid
10 ms
VCXO Tuning Range *
VCXO Pullability *
On-chip Varicaps Control Range *
Linearity *
VCXO Tuning Characteristic
VCON Input Impedance
VCON Modulation BW
XTAL C0/C1 < 250
3.3V Supplies
2.5V Supplies
0V VCON VDD (at 25C)
3.3V Supplies
2.5V Supplies
VCON = 0 to VDD
3.3V Supplies
2.5V Supplies
3.3V Supplies
2.5V Supplies
180
145
0V VCON VDD, -3dB
25
100
80
5 15
6 15
4
5
65
60
ppm
ppm
pF
5%
10
p p m/ V
k
kHz
Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.
4. General Electrical Specifications
PARAMETERS
Supply Current (Loaded
Outputs)
Operating Voltage
Output Clock Duty Cycle
Short Circuit Current
SYMBOL
CONDITIONS
IDD PECL/LVDS/CMOS
VDD
3.3V Supplies
2.5V Supplies
@ 1.25V (LVDS), 3.3V Supply
@ VDD 1.3V (PECL), 3.3V Supply
@ 1.25V (LVDS), 2.5V Supply
@ VDD 1.3V (PECL), 2.5V Supply
MIN. TYP. MAX. UNITS
70/40/40 mA
3.13
2.375
45
45
43
43
50
50
50
50
50
3.47
2.625
55
55
57
57
V
%
%
mA
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 • www.micrel.com Rev 3/13/07 Page 3


3Pages


PL520-20 電子部品, 半導体
PL520-20
Low Phase Noise VCXO (for 100-200MHz Fundamental Crystals)
10. PECL Electrical Characteristics
PARAMETERS
Output High Voltage
Output Low Voltage
SYMBOL
VOH
VOL
CONDITIONS
RL = 50 to (VDD 2V)
(see figure)
MIN.
VDD 1.025
MAX.
VDD 1.620
UNITS
V
V
11. PECL Switching Characteristics
PARAMETERS
Clock Rise Time
Clock Fall Time
SYMBOL
tr
tf
CONDITIONS
@20/80% - PECL
@80/20% - PECL
MIN. TYP. MAX. UNITS
0.6 1.5
0.5 1.5
ns
ns
PECL Levels Test Circuit
OUT
VDD
502.0V
PECL Output Skew
OUT
50%
OUT
50
OUT
80%
OUT
tSKEW
PECL Transistion Time Waveform
DUTY CYCLE
45 - 55%
55 - 45%
20%
OUT
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 3/13/07 Page 6

6 Page



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共有リンク

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部品番号部品説明メーカ
PL520-20

Low Phase Noise VCXO

Micrel
Micrel


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