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ABV8068QCL Datasheet

  • ABV8068QCL

  • 320-640MHz Low Phase Noise VCXO

  • 133.54KB

  • 10頁

  • ABRACON   ABRACON

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(Preliminary)
ABV8068/69
320-640MHz Low Phase Noise VCXO
FEATURES
鈥?/div>
鈥?/div>
Less than 0.4ps RMS (12KHz-20MHz) phase
jitter for
all frequencies
.
Low phase noise output (@ 1MHz frequency
offset)
鈭?/div>
-140dBc/Hz for 320.0MHz,
鈭?/div>
-131dBC/Hz for 622.08MHz
20MHz-40MHz crystal input.
320MHz-640MHz output.
PECL, or LVDS outputs.
No external varicap required.
Output Enable selector.
Wide pull range (+/-200ppm).
3.3V operation.
Available in 3x3 QFN or 16-pin TSSOP
packages.
PACKAGE PIN ASSIGNMENT
VDDANA
XIN
XOUT
SEL2^
OE_CTRL
VCON
GNDANA
LP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SEL0^
SEL1^
GNDBUF
QBAR
VDDBUF
Q
GNDBUF
LM
ABV806X
VDDANA
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
16-pin TSSOP
DNC
10
DESCRIPTION
The ABV806X is a monolithic low jitter and low
phase noise VCXO, capable of 0.4ps RMS phase
jitter and PECL or LVDS outputs, covering a wide
frequency output range up to 640MHz. It allows the
control of the output frequency with an input voltage
(VCON), using a low cost crystal.
The ABV806X is designed to address the demanding
requirements of high performance applications such
as SONET, GPS, Video, etc.
XOUT
DNC
OE_CTRL
VCON
12
13
14
11
DNC
9
8
7
XIN
GNDBUF
QBAR
VDDBUF
Q
ABV806X
15
16
1
2
3
4
6
5
GNDANA
3x3mm QFN
Note1: ^ Denotes internal pull up resistor.
BLOCK DIAGRAM
VCON
VARICAP
VCO
Divider
Charge
Pump
+
Loop
Filter
GNDBUF
LP
LM
XIN
XOUT
XTAL
OSC
Phase
Detector
VCO
(F
XiN
x16)
Output
Divider
QBAR
Q
Performance Tuner
OE
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001
www.Abracon.com
9/1/05 Page 1

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