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參數(shù)資料
| 型號(hào)： | X8037QCL |
| 廠商： | Abracon Corporation |
| 元件分類： | 振蕩器 |
| 英文描述： | 38-640MHz Low Phase Noise XO |
| 中文描述： | 38-640MHz低相位噪聲振蕩器 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大小： | 224K |
| 代理商： | X8037QCL |
(Preliminary)
ABX8037/38/39
38-640MHz Low Phase Noise XO
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001
www.Abracon.com
9/1/05 Page 1
FEATURES
Less than 0.4ps RMS (12kHz-20MHz) phase
jitter for
all frequencies
.
Less than 25ps peak to peak jitter for all
frequencies.
Low phase noise output (@ 1MHz frequency
offset
-144dBc/Hz for 106.25MHz
-144dBc/Hz for 156.25MHz
-144dBc/Hz for 212.5MHz
-140dBc/Hz for 312.5MHz,
-131dBC/Hz for 622.08MHz
19MHz-40MHz crystal input.
38MHz-640MHz output.
Available in PECL, LVDS, or CMOS outputs.
Output Enable selector.
2.5V & 3.3V operation.
Available in 3x3 QFN or 16-pin TSSOP
packages.
DESCRIPTION
The ABX803X is a monolithic low jitter and low
phase noise high performance clock, capable of
maintaining 0.4ps RMS phase jitter and CMOS,
LVDS or PECL outputs, covering a wide frequency
output range up to 640MHz. It allows high
performance and high frequency output, using a low
cost fundamental crystal of between 19-40MHz.
The frequency selector pads of ABX803X enable
output frequencies of (2, 4, 8, or 16) * F
XIN
. The
ABX803X is designed to address the demanding
requirements of high performance applications such
Fiber Channel, serial ATA, Ethernet, SAN, etc.
PACKAGE PIN ASSIGNMENT
16-pin TSSOP
3x3 QFN
Note1: QBAR is used for single ended CMOS output
.
Note2: ^ Denotes internal pull up resistor.
BLOCK DIAGRAM
A
1
2
3
4
5
6
7
8
VDDANA
9
10
11
12
13
14
15
16
XIN
XOUT
SEL2^
OE_CTRL
DNC
GNDANA
LP
SEL0^
GNDBUF
SEL1^
GNDBUF
QBAR
VDDBUF
Q
LM
Phase
Detector
Charge
Pump
L+
Filter
VCO
(F
XiN
x16)
VCO
Divider
XTAL
OSC
QBAR
Q
OE
XIN
XOUT
Performance Tuner
Output
Divider
(1,2,4,8)
ABX803X
GNDBUF
VDDBUF
Q
QBAR
X
S
S
V
SEL2^
XOUT
OE_CTRL
DNC
L
G
L
G
4
16
15
14
13
12
11
10
9
8
7
6
5
1
2
3
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