DSC1103BI5-125.0000T [MICROCHIP]
CRYSTAL OSCILLATOR, CLOCK, 125MHz, LVDS OUTPUT;型号: | DSC1103BI5-125.0000T |
厂家: | MICROCHIP |
描述: | CRYSTAL OSCILLATOR, CLOCK, 125MHz, LVDS OUTPUT 机械 输出元件 振荡器 |
文件: | 总7页 (文件大小:558K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
DSC1103 DSC1123
Low-Jitter Precision LVDS Oscillator
General Description
Features
The DSC1103 & DSC1123 series of high
performance oscillators utilizes a proven
silicon MEMS technology to provide excellent
jitter and stability over a wide range of
Low RMS Phase Jitter: <1 ps (typ)
High Stability: ±10, ±25, ±50 ppm
Wide Temperature Range
o Industrial: -40° to 85° C
supply voltages and temperatures.
By
eliminating the need for quartz or SAW
technology, MEMS oscillators significantly
enhance reliability and accelerate product
development, while meeting stringent clock
performance criteria for a variety of
communications, storage, and networking
applications.
o Ext. commercial: -20° to 70° C
High Supply Noise Rejection: -50 dBc
Wide Freq. Range: 2.3 to 460 MHz
Small Industry Standard Footprints
o 2.5x2.0, 3.2x2.5, 5.0x3.2, & 7.0x5.0 mm
Excellent Shock & Vibration Immunity
o Qualified to MIL-STD-883
DSC1103 has a standby feature allowing it to
completely power-down when EN pin is
pulled low; whereas for DSC1123, only the
outputs are disabled when EN is low. Both
oscillators are available in industry standard
packages, including the small 3.2x2.5 mm2,
and are “drop-in” replacements for standard
6-pin LVDS quartz crystal oscillators.
High Reliability
o 20x better MTF than quartz oscillators
Low Current Consumption
Supply Range of 2.25 to 3.6 V
Standby & Output Enable Function
Lead Free & RoHS Compliant
LVPECL & HCSL Versions Available
Block Diagram
Applications
Storage Area Networks
o SATA, SAS, Fibre Channel
Passive Optical Networks
o EPON, 10G-EPON, GPON, 10G-PON
Ethernet
o 1G, 10GBASE-T/KR/LR/SR, and FCoE
HD/SD/SDI Video & Surveillance
PCI Express: Gen 1 & Gen 2
DisplayPort
Output Enable Modes
EN Pin
High
NC
DSC1103
Outputs Active
Outputs Active
Standby
DSC1123
Outputs Active
Outputs Active
Outputs Disabled
Low
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 1 MK-Q-B-P-D-110410-03-6
Low-Jitter Precision LVDS Oscillator
DSC1103 DSC1123
Absolute Maximum Ratings
Ordering Code
Item
Min
-0.3
-0.3
-
Max
+4.0
Unit Condition
Temp Range
E: -20 to 70
I: -40 to 85
L: -40 to 105
Supply Voltage
Input Voltage
Junction Temp
Storage Temp
Soldering Temp
V
V
Enable Modes
0: Enable/Standby
2: Enable/Disable
Packing
T: Tape & Reel
: Tube
VDD+0.3
+150
°C
°C
°C
V
-55
-
+150
DSC11 0 3 C I 5
125.0000
T
+260
40sec max.
ESD
HBM
MM
-
Package
A: 7.0x5.0mm
B: 5.0x3.2mm
C: 3.2x2.5mm
Stability
1: ±50ppm
2: ±25ppm
5: ±10ppm
Freq (MHz)
125.0000
4000
400
1500
CDM
D: 2.5x2.0mm
N: 7.0x5.0mm (no center pad)
Note: 1000+ years of data retention on internal memory
Specifications
Parameter
Condition
Min.
Typ.
Max.
Unit
Supply Voltage1
VDD
IDD
2.25
3.6
V
EN pin low – outputs are disabled
Supply Current
DSC1103
DSC1123
0.095
22
mA
20
Includes frequency variations due
to initial tolerance, temp. and
power supply voltage
±10
±25
±50
Frequency Stability
Δf
ppm
Aging
Startup Time2
Δf
tSU
1 year @25°C
T=25°C
±5
5
ppm
ms
Input Logic Levels
Input logic high
Input logic low
VIH
VIL
0.75xVDD
-
-
V
0.25xVDD
Output Disable Time3
Output Enable Time
Enable Pull-Up Resistor4
tDA
5
ns
DSC1103
DSC1123
5
20
ms
ns
tEN
Pull-up resistor exist
LVDS Outputs
40
29
kΩ
Supply Current
IDD
VOS
∆VOS
VPP
Output Enabled, RL=100Ω
R=100Ω Differential
32
1.4
50
mA
V
Output offset Voltage
Delta Offset Voltage
Pk to Pk Output Swing
Output Transition time3
Rise Time
1.125
mV
mV
Single-Ended
350
200
20% to 80%
RL=50Ω, CL= 2pF
tR
tF
ps
Fall Time
Frequency
f0
Single Frequency
Differential
2.3
48
460
52
MHz
%
Output Duty Cycle
Period Jitter
SYM
JPER
2.5
psRMS
200kHz to 20MHz @156.25MHz
100kHz to 20MHz @156.25MHz
12kHz to 20MHz @156.25MHz
0.28
0.4
1.7
Integrated Phase Noise
JPH
psRMS
2
Notes:
1.
Pin 6 VDD should be filtered with 0.1uf capacitor.
2.
3.
4.
tsu is time to 100ppm of output frequency after VDD is applied and outputs are enabled.
Output Waveform and Test Circuit figures below define the parameters.
Output is enabled if pad is floated or not connected.
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 2 MK-Q-B-P-D-110410-03-6
Low-Jitter Precision LVDS Oscillator
DSC1103 DSC1123
Nominal Performance Parameters (Unless specified otherwise: T=25° C, VDD=3.3 V)
2.5
2.0
1.5
1.0
0.5
0.0
0
-10
-20
-30
-40
-50
-60
-70
-80
156MHz-LVDS
212MHz-LVDS
320MHz-LVDS
410MHz-LVDS
50-mV
100-mV
0
200
400
600
800
1000
0.1
1
10
100
1000
10000
Low-end of integration BW: x kHz to 20 MHz
Supply Noise Frequency (kHz)
Phase jitter (integrated phase noise)
Power supply rejection ratio
Output Waveform
tR
tF
Output
80%
50%
20%
350 mV
Output
tEN
1/fo
tDA
VIH
Enable
VIL
Typical Termination Scheme
VDD
0.1uF
6
5
2
3
100 Ω
100 Ω
4
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 3 MK-Q-B-P-D-110410-03-6
Low-Jitter Precision LVDS Oscillator
DSC1103 DSC1123
Test Circuit
Solder Reflow Profile
20-40
Sec
260°C
MSL 1 @ 260°C refer to JSTD-020C
Ramp-Up Rate (200°C to Peak Temp) 3°C/Sec Max.
217°C
200°C
60-150
Sec
Preheat Time 150°C to 200°C
Time maintained above 217°C
Peak Temperature
Time within 5°C of actual Peak
Ramp-Down Rate
60-180 Sec
60-150 Sec
255-260°C
20-40 Sec
6°C/Sec Max.
8 min Max.
Reflow
60-180
Sec
150°C
Cool
Pre heat
Time 25°C to Peak Temperature
25°C
Time
8 min max
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 4 MK-Q-B-P-D-110410-03-6
Low-Jitter Precision LVDS Oscillator
DSC1103 DSC1123
Package Dimensions
7.0 x 5.0 mm Plastic Package
EXTERNAL DIMENSIONS
Units: mm [ inches]
RECOMMENDED SOLDER PAD LAYOUT
Units: mm [ inches]
Via to Power
Via to Ground
Plane
1.4±0.10 [0.055±0.004]
Trace
2.54 [0.100]
7±0.10 [0.276±0.004]
5
2.54[0.100]
4
6
4
5
6
5
6
1
4
3
2
1
2
3
5±0.10 [0.197±0.004]
3
2
1
2.8 [0.110]
No.
1
Pin Terminal
Enable
1.4 [0.055]
2
3
4
N/C
Ground
OUT
0.85±0.05
5
OUT-
6
VDD
PAD
TIE TO GND
5.0 x 3.2 mm Plastic Package
EXTERNAL DIMENSIONS
Units: mm [ inches]
RECOMMENDED SOLDER PAD LAYOUT
Units: mm [ inches]
Via to Power
Trace
1.27 [0.050]
5
0.64±0.05
5±0.05 [0.197±0.002]
5
1.27[0.05]
Via to Ground
Plane
6
4
6
4
6
5
2
4
3
1.2 [0.047] REF
1
3
2
1
2
3
1
0.7±0.1 [0.079±0.002]
3.2±0.05 [0.126±0.002]
1.1 [ 0.043]
No.
1
Pin Terminal
Enable
N/C
0.64 [0.025]
2
3
Ground
OUT
0.85±0.05
4
5
OUT-
6
VDD
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 5 MK-Q-B-P-D-110410-03-6
Low-Jitter Precision LVDS Oscillator
DSC1103 DSC1123
3.2 x 2.5 mm Plastic Package
EXTERNAL DIMENSIONS RECOMMENDED SOLDER PAD LAYOUT
Units: mm [ inches]
Units: mm [ inches]
Via to Power
Trace
3.2±0.05 [0.126±0.002]
0.375
1.05 [0.041]
Via to Ground
Plane
0.7±0.1 [0.079±0.002]
6
6
5
4
4
5
0.9 [0.035] REF
0.9 [0.035] REF
6
5
2
4
3
1
1 [ 0.039]
3
2
1
1
2
3
0.5 [0.197]
0.1[0.004] REF
2.5±0.05 [0.098±0.002]
0.9 [0.035]
0.9±0.05 [0.035±0.002]
0.5±0.05 [0.198±0.002]
No.
Pin Terminal
Enable
N/C
1
2
3
4
5
6
0.85±0.05
Ground
OUT
OUT-
VDD
2.5 x 2.0 mm Plastic Package
EXTERNAL DIMENSIONS
Units: mm [ inches]
RECOMMENDED SOLDER PAD LAYOUT
Units: mm [ inches]
2.5±0.05 [0.098±0.002]
0.7±0.1 [0.079±0.002]
0.825 [0.032]
0.6 REF
Via to
Power Trace
6
5
4
4
5
6
0.375
Via to Ground
Plane
0.535 REF
0.765±0.1
0.7 REF
6
5
2
4
3
2
1
1
2
3
3
1
0.7±0.1 [0.079±0.002]
2.0±0.05 [0.079±0.002]
0.65±0.05 [0.026±0.002]
0.25±0.05 [0.099±0.002]
0.85
0.65±0.05 [0.026±0.002]
0.25±0.05 [0.099±0.002]
No.
1
Pin Terminal
Enable
N/C
0.85±0.05
2
3
Ground
OUT
4
5
OUT-
6
VDD
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 6 MK-Q-B-P-D-110410-03-6
Low-Jitter Precision LVDS Oscillator
DSC1103 DSC1123
7.0 x 5.0 mm Plastic Package
EXTERNAL DIMENSIONS
Units: mm [ inches]
RECOMMENDED SOLDER PAD LAYOUT
Units: mm [ inches]
Via to Power
Via to Ground
Plane
1.4±0.10 [0.055±0.004]
Trace
2.54 [0.100]
7±0.10 [0.276±0.004]
5
2.54[0.100]
4
6
4
5
6
5
6
1
4
3
2
1
2
3
5±0.10 [0.197±0.004]
3
2
1
No.
1
Pin Terminal
Enable
1.4 [0.055]
2
3
4
N/C
Ground
OUT
0.85±0.05
5
6
OUT-
VDD
Disclaimer:
Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This information is not intended as a
warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. No license,
whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Micrel’s terms and conditions of
sale for such products, Micrel assumes no liability whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including
liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to
result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose
failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or
systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale.
MICREL, Inc.
Phone: +1 (408) 944-0800
●
●
2180 Fortune Drive,
Fax: +1 (408) 474-1000
San Jose, California
95131
●
●
USA
●
Email: hbwhelp@micrel.com
www.micrel.com
______________________________________________________________________________________________________________________________________________
DSC1103 | DSC1123 Page 7 MK-Q-B-P-D-110410-03-6
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