SGUHLA-3.686MHZ
更新时间:2024-09-18 18:23:32
品牌:MICROSEMI
描述:CMOS/TTL Output Clock Oscillator, 3.686MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 6 PIN
SGUHLA-3.686MHZ 概述
CMOS/TTL Output Clock Oscillator, 3.686MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 6 PIN VCXO
SGUHLA-3.686MHZ 规格参数
是否Rohs认证: | 符合 | 生命周期: | Active |
包装说明: | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 6 PIN | Reach Compliance Code: | compliant |
风险等级: | 5.61 | 其他特性: | TRI-STATE; ENABLE/DISABLE FUNCTION; TAPE AND REEL |
最大控制电压: | 4.5 V | 最小控制电压: | 0.5 V |
最长下降时间: | 5 ns | 频率调整-机械: | NO |
频率偏移/牵引率: | 100 ppm | JESD-609代码: | e4 |
安装特点: | SURFACE MOUNT | 标称工作频率: | 3.686 MHz |
最高工作温度: | 85 °C | 最低工作温度: | -40 °C |
振荡器类型: | CMOS/TTL | 输出负载: | 15 pF |
物理尺寸: | 8.51mm x 7.87mm x 3.3mm | 最长上升时间: | 5 ns |
最大供电电压: | 5.5 V | 最小供电电压: | 4.5 V |
标称供电电压: | 5 V | 表面贴装: | YES |
最大对称度: | 45/55 % | 端子面层: | Gold (Au) - with Nickel (Ni) barrier |
Base Number Matches: | 1 |
SGUHLA-3.686MHZ 数据手册
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PDF下载S-Type
Voltage Controlled Crystal Oscillator
Features
• Output Frequencies to 65.536MHz
• 5 or 3.3 Vdc operation
• Tri-State Output
• Low jitter < 6pS rms (for freq >12MHz)
• VCXO with CMOS outputs
• 0/70 or –40/85 °C temperature range
• Hermetically sealed ceramic SMD package
The S-Type Voltage Controlled Crystal
Oscillator
Product is free of lead and compliant to EC RoHS
Directive
Output
Buffer /
Tri State
Applications
• SONET/SDH
• xDSL
• Digital Video
• Low jitter PLL’s
ESD Diodes
Description
fO
Vc
The VI S-Type Voltage Controlled Crystal
Oscillator (VCXO) is a quartz stabilized square
wave generator with a CMOS output and is
tested at CMOS (3.3 and 5V operation) and TTL
(5 V operation) logic levels. Devices are tested
for absolute pull range (APR) and start-up over
the operating temperature range which insures
the performance and reliability.
Input
Buffer
Figure 1
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel:1-88-VECTRON-1
e-mail: vectron@vectron.com
S-Type Voltage Controlled Crystal Oscillator
Performance Characteristics
Table 1. Electrical Performance
Parameter
Symbo
Min
Typical
Maximum
Units
l
Supply Voltage 1 (+5 or +3.3 V)
Supply Current
VDD
IDD
0.9*VDD
1.1*VDD
V
10mA +0.25mA/MHz
mA
Output Logic Levels
Output Logic High2
VOH
VOL
0.8*VDD
V
V
Output Logic Low2
0.1VDD
Transition Times
Rise Time2
tR
tF
5
5
ns
ns
Fall Time2
Symmetry or Duty Cycle3
Nominal Output Frequency Options
Test Conditions for APR (+5V option)
Test Conditions for APR (+3.3V option)
Absolute Pull Range (ordering option)
Gain Transfer
SYM
fO
VC
VC
APR
45/55
65.536
4.5
%
MHz
V
V
ppm
1.024
0.5
0.3
3.0
50,80 or 100
Positive
Operating temperature (ordering option)
0/70 or –40/85
°C
Control Voltage Leakage Current
Control Voltage Bandwidth (-3dB)
IVCXO
BW
uA
KHz
±1
10
1. A 0.01uF capacitor should be located as close to the supply as possible (to ground) and a 0.1uF is also recommended.
2. Figure 1 defines these parameters. Figure 2 illustrates the equivalent five gate TTL load and operating conditions under which
these parameters are tested and specified.
3. Symmetry is defined as (ON TIME/PERIOD with Vs=-1.4 V for TTL and Vs=2.5 V for CMOS, 5 volt operation, and Vs=1.65V for
3.3 Volt operation. TTL/CMOS pin should be grounded for frequencies <12MHz.
TF
TR
IDD
650Ω
80%
50%
20%
6
1
2
5
3
+
-
4
VDD
.01µF
.1µF
IC
VC
On Time
15pF
1.8k
+
-
Period
Figure 2. Output Waveform
Figure 3. Output Test Conditions (25±5°C)
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional
operation is not implied at these or any other conditions in excess of conditions represented in the
operational sections of this data sheet. Exposure to absolute maximum ratings for extended periods may
adversely affect device reliability.
Table 2. Absolute Maximum Ratings
Parameter
Power Supply
Storage Temperature
Voltage Control Range
Symbol
VDD
Tstorage
VC
Ratings
7
-55/125
0 to VDD
Unit
Vdc
°C
V
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel:1-88-VECTRON-1
e-mail: vectron@vectron.com
S-Type Voltage Controlled Crystal Oscillator
Qualification Conformance
The S-Type has undergone the following Mil-Std qualification.
Table 3. Environmental Compliance
Parameter
Conditions
Mechanical Shock
Mechanical Vibration
Solderability
MIL-STD-883C 2002.3, TEST B
MIL-STD-883C 2007.1, TEST C
MIL-STD-883C 2003.5
Gross and Fine Leak
Resistance to Solvents
MIL-STD-883C 1014.7, 100% Tested
MIL-STD-883C 2016
Handling Precautions
Although ESD protection circuitrry has been designed into the the S-Type, proper precautions should be
taken when handling and mounting. VI employs a human body model and a charged-device model (CDM)
for ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on the
circuit parameters used to define the model. Although no industry wide standard has been adopted for the
CDM, a standard HBM of resistance=1.5Kohms and capacitance = 100pF is widely used and Therefore
can be used for comparison purposes.
Table 4. ESD Ratings
Model
Human Body Model
Charged Device Model
Minimum
1500 V (Mil-STD-883D, Method 3015, Class 1)
1500 V
Absolute Pull Range (APR) Specification
The frequency deviation of the S-Type VCXO is specified in terms of Absolute Pull Range (APR). APR
provides the user with a guaranteed specification for minimum available frequency deviation over all
operating conditions. Operating conditions include operating temperature range, power supply variation,
differences in output loading and changes due to aging.
An S-Type VCXO with an APR of +/-50 ppm will track a +/-50 ppm reference source over all
operating conditions. The same device will typically demonstrate a Total Pull capability of 150 to
350 ppm. Absolute Pull Range (APR) is specified by the fourth character of the product code in Table 6.
Please see Vectron’s web site, www.vectron.com, for the APR Application Note.
Oscillator Aging
Quartz stabilized oscillators typically exhibit a small shift in output frequency during aging. The major
factors which lead to this shift are changes in the mechanical stress on the crystal and mass-loading of
foreign material on the crystal.
As the oscillator ages, relaxation of the crystal mounting stress or transfer of environmental stress
through the package to the crystal mounting arrangement can lead to frequency variations. VI has
minimized these two effects through the use of a miniature AT-Cut strip resonator crystal which allows a
superior mounting arrangement and results in minimal relaxation and almost negligible environmental
stress transfer.
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel:1-88-VECTRON-1
e-mail: vectron@vectron.com
S-Type Voltage Controlled Crystal Oscillator
Oscillator Aging
Mass-loading on the crystal generally results in a frequency decrease and is typically due to out-gassing
of material within a hermetic package or from contamination by external material in a less than hermetic
package. VI has minimized the impact of mass loading by ensuring hermetic integrity and minimizing out-
gassing by limiting the number of internal components through the use of ASIC technology.
Under normal operating conditions with an operating temperature of 40°C, the S-Type will typically exhibit
2 ppm aging in the first year of operation. The device will then typically exhibit 1 ppm aging the following
year with a logarithmic decline each year thereafter.
t L
260
R UP
t P
217
200
R DN
150
t S
t AMB-P
25
Time (sec)
Figure 4. Suggested IR profile
Figure 5. Tape and Reel
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel:1-88-VECTRON-1
e-mail: vectron@vectron.com
S-Type Voltage Controlled Crystal Oscillator
Figure 6. Outline Diagram
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel:1-88-VECTRON-1
e-mail: vectron@vectron.com
S-Type Voltage Controlled Crystal Oscillator
Table 5. Pin Function
Pin
1
Symbol
VC
Function
VCXO Control Voltage
2
Tri-State
TTL Low to Disable Output.
TTL High, or no connect, to Enable Output.
3
4
5
GND
Output
TTL/CMOS
Case Ground
VCXO Output
TTL Logic Low for CMOS optimized symmetry.
TTL Logic High, or no connect, for TTL optimized symmetry.
6
VDD
Power Supply Voltage (3.3 V ±10% or 5.0 V ±10%)
Ordering information
Table 6. Standard Frequencies
1.024
4.434
1.544
5.000
2.000
5.760
2.048
6.144
3.088
6.176
3.580
6.312
3.686
6.400
4.000
8.000
4.032
8.192
4.096
8.448
9.192
10.000
14.318
20.000
35.328
11.000
15.360
20.480
38.880
11.2896
15.440
24.000
40.000
11.290
16.000
24.576
40.960
12.000
16.123
24.704
44.736
12.288
16.384
27.000
50.000
12.352
17.734
30.000
51.840
12.900
18.432
32.000
52.000
13.000
19.440
32.768
13.500
19.985
34.368
Other frequencies may be available upon request
Table 7. Part number ordering information
S G U G L A - 44.736 (frequency in MHz)
Package Size
Symmetry
S-Type
A: 45/55%
Supply Voltage
T: Thru hole
Temperature Range
C: 0 to 70°C
G: Gull Wing
L: -40 to 85 °C
E: 0 to 85 °C
Output, Symmetry
Absolute Pull Range (Stability XO)
U: VCXO, +5V, standard linearity
L: VCXO, +5V, 10% linearity
M: VCXO, +5V, ±20 ppm temperature stability
D: VCXO, +3.3V, standard linearity
K: VCXO, +3.3V, 10% linearity
F: XO, +5V
G: ±50 ppm
N: ±80 ppm
H: ±100 ppm
USA: Vectron International • 267 Lowell Rd, Hudson NH 03051 • Tel: 1-88-VECTRON-1 • Fax:
For Additional Information, Please Contact:
1-888-FAX-VECTRON
EUROPE: In Denmark, Finland, Ireland, Israel, Norway, Spain, UK: Tel: 44 (0) 1703 766 288 •
Fax: 44 (0) 1703 766 822
In Austria,Belgium,France,Germany,Italy, Luxenburg,Netherlands,Sweden,Switzerland:Tel:
49(0)7263 6480 • Fax:49(0)7263 6196
www.vectron.com
ASIA: In China, Taiwan, Japan: Tel: 01 603 598 0070 • Fax: 01 603 598 0075
In Korea, Singapore, Australia, India: Tel: 01 203 853 4433 • Fax: 01 203 853 1423
Vectron International reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is assumed
as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
SType.DOC (REVISION DATE: 10/15/10)
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel:1-88-VECTRON-1
e-mail: vectron@vectron.com
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