ABX0212OC [ABRACON]
LVDS Output Clock Oscillator, 96MHz Min, 192MHz Max, TSSOP-16;型号: | ABX0212OC |
厂家: | ABRACON |
描述: | LVDS Output Clock Oscillator, 96MHz Min, 192MHz Max, TSSOP-16 机械 振荡器 |
文件: | 总5页 (文件大小:54K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
ABX0212
96MHz – 192MHz Low Phase Noise LVDS XO (12 – 25MHz Crystal)
FEATURES
PIN CONFIGURATION
•
Low phase noise output for the 96MHz to
200MHz range (-134 dBc at 10kHz offset).
LVDS output.
12 to 25MHz crystal input.
Integrated crystal load capacitor: no external
load capacitor required.
Output Enable selector.
3.3V operation.
VDD
VDD
XIN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VDD
•
•
•
GND_BUF
CLKBAR
VDD_BUF
CLK
XOUT
OE^
•
•
•
N/C
GND_BUF
GND
Available in 16 Pin TSSOP.
GND
GND
GND
Note: ^ denotes internal pull up
FOUT = FXIN x 8
DESCRIPTION
The ABX0212 is a monolithic low jitter and low
phase noise (-134dBc/Hz @ 10kHz offset) XO IC
with LVDS output, for 96MHz to 200MHz output
range. It provides a low phase noise reference
frequency using a low cost crystal.
The chip delivers an output frequency of FXIN x 8.
This makes the ABX0212 ideal for a wide range of
applications, including 155.52MHz for SONET.
OE (Pin 5)
Output State
Tri-state
0
1 (Default)
Output enabled
BLOCK DIAGRAM
VCO
Divider
CLKBAR
CLK
Reference
Divider
Phase
Comparator
Charge
Pump
Loop
Filter
VCO
OE
XIN
XTAL
OSC
XOUT
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1
ABX0212
96MHz – 192MHz Low Phase Noise LVDS XO (12 – 25MHz Crystal)
PIN DESCRIPTIONS
Name
Number
Type
Description
VDD
XIN
1,2,16
P
I
Power supply.
3
4
Crystal input. See Crystal Specifications on page 2.
Crystal output. See Crystal Specifications on page 2.
XOUT
I
Output enable input. Disables (tri-state) output when low. Internal pull-up
enables output by default if pin is not connected to low.
OE
5
I
N/C
GND
6
7,8,9,10
11,15
12
-
Not connected.
P
P
O
P
O
Ground.
GND_BUF
CLK
Ground for output buffers.
True clock output.
VDD_BUF
CLKB
13
Power supply for output buffers.
Complementary clock output.
14
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
Crystal Resonator Frequency
Crystal Loading Rating
Recommended ESR
FXIN
CL (xtal)
RE
Parallel Fundamental Mode
12
25
MHz
pF
20
AT cut
30
Ω
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2
ABX0212
96MHz – 192MHz Low Phase Noise LVDS XO (12 – 25MHz Crystal)
3. General Electrical Specifications
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Supply Current, Dynamic
(with Loaded Outputs)
IDD
LVDS
60
mA
Operating Voltage
VDD
2.97
45
3.63
55
V
%
Output Clock Duty Cycle
Short Circuit Current
@ 1.25V (LVDS)
50
mA
±50
4. Jitter and Phase Noise Specification
PARAMETERS
Period jitter RMS
CONDITIONS
MIN.
TYP.
MAX.
UNITS
With capacitive decoupling
between VDD and GND.
With capacitive decoupling
between VDD and GND. Over
10,000 cycles.
4
9
ps
ps
Accumulated jitter RMS
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
Phase Noise relative to carrier
155MHz @100Hz offset
155MHz @1kHz offset
155MHz @10kHz offset
155MHz @100kHz offset
-95
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
-120
-125
-121
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3
ABX0212
96MHz – 192MHz Low Phase Noise LVDS XO (12 – 25MHz Crystal)
5. LVDS Electrical Characteristics
PARAMETERS
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
247
-50
Output Differential Voltage
VDD Magnitude Change
Output High Voltage
Output Low Voltage
Offset Voltage
VOD
∆VOD
VOH
355
454
50
mV
mV
V
1.4
1.1
1.2
3
1.6
RL = 100 Ω
(see figure)
0.9
1.125
0
VOL
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
6. 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
ABX0212
96MHz – 192MHz Low Phase Noise LVDS XO (12 – 25MHz Crystal)
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
-
0.05
0.19
0.09
4.90
4.30
D
C
D
E
A
H
L
6.40 BSC
A1
0.45
0.75
C
e
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
ABX0212 X C
TEMPERATURE
PART NUMBER
C=COMMERCIAL
I=INDUSTRAL
PACKAGE TYPE
O=TSSOP
Order Number
Marking
Package Option
ABX0212OC-T
ABX0212OC
ABX0212OC
ABX0212OC
TSSOP - Tape and Reel
TSSOP – Tube
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 5
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