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ABX8038 데이터시트 PDF




Abracon Corporation에서 제조한 전자 부품 ABX8038은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 ABX8038 기능
기능 (ABX8037 - ABX8039) Low Phase Noise XO
제조업체 Abracon Corporation
로고 Abracon Corporation 로고


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ABX8038 데이터시트, 핀배열, 회로
www.DataSheet4U.com
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) * FXIN. The
ABX803X is designed to address the demanding
requirements of high performance applications such
Fiber Channel, serial ATA, Ethernet, SAN, etc.
(Preliminary) ABX8037/38/39
38-640MHz Low Phase Noise XO
PACKAGE PIN ASSIGNMENT
VDDANA
XIN
XOUT
SEL2^
OE_CTRL
DNC
GNDANA
LP
1
2
3
4
5
6
7
8
16 SEL0^
15 SEL1^
14 GNDBUF
13 QBAR
12 VDDBUF
11 Q
10 GNDBUF
9 LM
16-pin TSSOP
3x3 QFN
XOUT
SEL2^
OE_CTRL
DNC
12 11 10 9
13 8
14 7
ABX803X
15 6
16 5
1234
GNDBUF
QBAR
VDDBUF
Q
Note1: QBAR is used for single ended CMOS output.
Note2: ^ Denotes internal pull up resistor.
BLOCK DIAGRAM
XIN
XOUT
XTAL
OSC
VCO
Divider
Phase
Detector
Charge
Pump
L o+o p
Filter
VCO
(FXiNx16)
Output
Divider
(1,2,4,8)
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




ABX8038 pdf, 반도체, 판매, 대치품
www.DataSheet4U.com
(Preliminary) ABX8037/38/39
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
38-640MHz Low Phase Noise XO
PARAMETERS
SYMBOL
MIN.
MAX.
UNITS
Supply Voltage
Input Voltage, dc
Output Voltage, dc
Storage Temperature
Ambient Operating Temperature*
Junction Temperature
Lead Temperature (soldering, 10s)
ESD Protection, Human Body Model
VDD 4.6 V
VI
-0.5 VDD+0.5
V
VO
-0.5 VDD+0.5
V
TS -65 150 °C
TA -40 85 °C
TJ 125 °C
260 °C
2 kV
Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the
device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other
conditions above the operational limits noted in this specification is not implied.
* Note: Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only.
2. Crystal Specifications
PARAMETERS
SYMBOL
CONDITIONS
MIN. TYP. MAX. UNITS
Crystal Resonator Frequency
Crystal Loading Rating
Crystal Shunt Capacitance
Recommended ESR
FXIN
CL (xtal)
C0 (xtal)
RE
Parallel Fundamental Mode
AT cut
19
17.7
40
5
30
MHz
pF
pF
Note: Crystal Loading rating: 17.7pF is the loading the crystal sees from the XO chip. It is assumed that the crystal will be at nominal frequency at this
load. If the crystal requires less load to be at nominal frequency, then a capacitor can placed in series with the crystal. If the crystal requires more
load to be at nominal frequency, capacitors can be placed from XIN and XOUT to ground. This however may reduce the oscillator gain.
3. General Electrical Specifications
PARAMETERS SYMBOL
CONDITIONS
Supply Current,
Dynamic (with
Loaded Outputs)
PECL/LVDS/CMOS 38MHz<Fout<320MHz
IDD
PECL/LVDS
320MHz<Fout<640MHz
Operating Voltage
VDD
Output Clock
Duty Cycle
Short Circuit
@ 50% VDD (CMOS)
@ 1.25V (LVDS)
@ VDD – 1.3V (PECL)
Current
Note: CMOS operation is not advised above 200MHz with 15pF load; and 320MHz with 10pF load.
MIN.
2.25
45
45
45
TYP.
50
50
50
±50
MAX.
65/45/30
90/70
3.63
55
55
55
UNITS
mA
V
%
mA
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 9/1/05 Page 4

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ABX8038 전자부품, 판매, 대치품
www.DataSheet4U.com
(Preliminary) ABX8037/38/39
38-640MHz Low Phase Noise XO
10. PECL Electrical Characteristics
PARAMETERS
Output High Voltage
Output Low Voltage
SYMBOL
VOH
VOL
CONDITIONS
RL = 50 to (VDD – 2V)
(see figure)
11. PECL Switching Characteristics
PARAMETERS
Clock Rise Time
Clock Fall Time
SYMBOL
tr
tf
CONDITIONS
@20/80% - PECL
@80/20% - PECL
MIN.
VDD – 1.025
MAX.
VDD – 1.620
UNITS
V
V
MIN.
TYP.
0.6
0.5
MAX.
1.5
1.5
UNITS
ns
ns
PECL Levels Test Circuit
OUT
50
VDD
2.0V
PECL Output Skew
OUT
50%
OUT
50
OUT
80%
50%
20%
OUT
tR
OUT
tSKEW
PECL Transistion Time Waveform
DUTY CYCLE
45 - 55%
55 - 45%
tF
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 9/1/05 Page 7

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