ABX2029OC-T [ABRACON]
Low Phase Noise VCXO (for 100-200MHz Fund Xtal);
| 型号： | ABX2029OC-T |
| 厂家： | 
ABRACON |
| 描述： | Low Phase Noise VCXO (for 100-200MHz Fund Xtal) 石英晶振 压控振荡器 |
| 文件： | 总6页 (文件大小：227K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ABX2028/29
Low Phase Noise VCXO (for 100-200MHz Fund Xtal)
FEATURES
PIN CONFIGURATION
(Top View)
•
•
•
•
•
•
•
100MHz to 200MHz Fundamental Mode Crystal.
Output range: 100 – 200MHz (no PLL).
Low Injection Power for crystal 50uW.
Sub 0.5pS RMS phase jitter ( 12kHz to 20MHz ).
PECL (ABX2028) or LVDS output (ABX2029).
Supports 2.5V or 3.3V-Power Supply.
Available in 16-Pin TSSOP.
VDD
XIN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
N/C
N/C
XOUT
N/C
GND
CLKC
VDD
CLKT
N/C
DESCRIPTION
N/C
The ABX2028/29 are a family of XO IC’s specifically
designed to pull high frequency fundamental
crystals. They achieve very low current into the
crystal resulting in better overall stability. Their very
low jitter makes them ideal for the most demanding
timing requirements.
OE
N/C
GND
N/C
BLOCK DIAGRAM
OE
Q
OUTPUT ENABLE LOGICAL LEVELS
Q
Oscillator
Amplifier
Part #
OE
State
Output enabled
Tri-state
XIN
0 (Default)
ABX2028
1
XOUT
0
Tri-state
ABX2029
1 (Default)
Output enabled
OE input: Logical states defined by PECL levels for ABX2028
Logical states defined by CMOS levels for ABX2029
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1
ABX2028/29
Low Phase Noise VCXO (for 100-200MHz Fund Xtal)
PIN DESCRIPTIONS
Name
Pin number
Type
Description
XIN
XOUT
OE
2
I
I
Crystal input. See Crystal Specifications on page 2.
Crystal output. See Crystal Specifications on page 2.
Output enable pin. See Output Enable Logic Levels on page 1.
Ground.
3
6
I
GND
CLKT
CLKC
N/C
8, 14
P
O
O
-
11
13
True output PECL (ABX2028) or LVDS (ABX2029)
Complementary output PECL (ABX2028) or LVDS (ABX2029).
Not connected.
4,5,7,9,10,15,16
1, 12
VDD
P
Power supply.
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
PARAMETERS
SYMBOL
MIN.
MAX.
UNITS
Supply Voltage
VDD
VI
4.6
VDD+0.5
VDD+0.5
150
V
Input Voltage, dc
-0.5
-0.5
-65
V
Output Voltage, dc
VO
TS
TA
TJ
V
Storage Temperature
°C
°C
°C
°C
kV
Ambient Operating Temperature*
Junction Temperature
-40
85
125
Lead Temperature (soldering, 10s)
ESD Protection, Human Body Model
260
2
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
Oscillation Frequency
Crystal Load
OF
CL
C0
Fund
100
200
MHz
pF
8.5
2.6
Inter-electrode capacitance
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2
ABX2028/29
Low Phase Noise VCXO (for 100-200MHz Fund Xtal)
3. General Electrical Specifications
PARAMETERS
SYMBOL
CONDITIONS
PECL/LVDS
MIN.
TYP.
MAX.
UNITS
Supply Current (Loaded
Outputs)
Operating Voltage
IDD
100/80
3.63
mA
V
VDD
2.97
@ 1.25V (LVDS)
@ VDD – 1.3V (PECL)
45
45
50
50
±50
55
55
Output Clock Duty Cycle
Short Circuit Current
%
mA
4. Jitter Specifications
PARAMETERS
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Period jitter RMS
2.5
At 155.52MHz, with capacitive decoupling
between VDD and GND.
ps
Period jitter peak-to-peak
18.5
At 155.52MHz, with capacitive decoupling
between VDD and GND. Over 10,000
cycles.
Accumulated jitter RMS
2.5
ps
ps
Accumulated jitter peak-to-peak
Integrated jitter RMS at 155MHz
24
Integrated 12 kHz to 20 MHz
0.3
5. Phase Noise Specifications
PARAMETERS
FREQUENCY
@10Hz
@100Hz
@1kHz @10kHz @100kHz UNITS
-125 -140 -145 dBc/Hz
Phase Noise relative
to carrier
155.52MHz
-75
-95
Note: Phase Noise measured at VCON = 0V
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3
ABX2028/29
Low Phase Noise VCXO (for 100-200MHz Fund Xtal)
6. LVDS Electrical Characteristics
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Output Differential Voltage
VDD Magnitude Change
Output High Voltage
Output Low Voltage
Offset Voltage
VOD
∆VOD
VOH
247
-50
355
454
50
mV
mV
V
1.4
1.1
1.2
3
1.6
RL = 100 Ω
(see figure)
VOL
0.9
1.125
0
V
VOS
1.375
25
V
Offset Magnitude Change
mV
∆VOS
Vout = VDD or GND
VDD = 0V
Power-off Leakage
IOXD
IOSD
uA
±1
±10
Output Short Circuit Current
-5.7
-8
mA
7. LVDS Switching Characteristics
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
RL = 100 Ω
CL = 10 pF
(see figure)
Differential Clock Rise Time
Differential Clock Fall Time
tr
tf
0.2
0.2
0.7
0.7
1.0
1.0
ns
ns
LVDS Levels Test Circuit
LVDS Switching Test Circuit
OUT
OUT
CL = 10pF
50
50
Ω
Ω
VOD
VOS
VDIFF
RL = 100Ω
CL = 10pF
OUT
OUT
LVDS Transistion Time Waveform
OUT
OUT
0V (Differential)
80%
80%
VDIFF
0V
20%
20%
tR
tF
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 4
ABX2028/29
Low Phase Noise VCXO (for 100-200MHz Fund Xtal)
8. PECL Electrical Characteristics
PARAMETERS
SYMBOL
CONDITIONS
MIN.
MAX.
UNITS
VDD – 1.025
Output High Voltage
Output Low Voltage
VOH
VOL
V
V
RL = 50 Ω to (VDD – 2V)
(see figure)
VDD – 1.620
9. PECL Switching Characteristics
PARAMETERS
Clock Rise Time
Clock Fall Time
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
tr
tf
@20/80% - PECL
@80/20% - PECL
0.6
0.5
1.5
1.5
ns
ns
PECL Levels Test Circuit
PECL Output Skew
OUT
VDD
OUT
50
50
Ω
Ω
2.0V
50%
OUT
tSKEW
OUT
PECL Transistion Time Waveform
DUTY CYCLE
45 - 55%
55 - 45%
OUT
80%
50%
20%
OUT
tR
tF
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 5
ABX2028/29
Low Phase Noise VCXO (for 100-200MHz Fund Xtal)
PACKAGE INFORMATION
16 PIN TSSOP ( mm )
Symbol
Min.
-
Max.
1.20
0.15
0.30
0.20
5.10
4.50
E
H
A
A1
B
C
D
E
0.05
0.19
0.09
4.90
4.30
D
A
H
L
e
6.40 BSC
A1
0.45
0.75
C
0.65 BSC
L
B
e
ORDERING INFORMATION
For part ordering, please contact our Sales Department:
30332 Esperanza., Rancho Santa Margarita, Ca 92688
Ph: 949-546-8000 Fax: 949-546-8001
PART NUMBER
The order number for this device is a combination of the following:
Device number, Package type and Operating temperature range
ABX202x O C
PART NUMBER
TEMPERATURE
C=COMMERCIAL
I=INDUSTRAL
PACKAGE TYPE
O=TSSOP
Order Number
Marking
Package Option
ABX2028OC
ABX2028OC-T
ABX2028OC
ABX2028OC
TSSOP - Tube
TSSOP - Tape & Reel
ABX2029OC
ABX2029OC-T
ABX2029OC
ABX2029OC
TSSOP - Tube
TSSOP - Tape & Reel
Abracon Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information
furnished by Abracon is believed to be accurate and reliable. However, Abracon makes no guarantee or warranty concerning the accuracy of said
information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product.
LIFE SUPPORT POLICY: Abracon’s products are not authorized for use as critical components in life support devices or systems without the express
written approval of the President of Abracon Corporation.
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 6
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