CX4VSM5-32.768K,100/C
更新时间:2024-09-18 19:09:05
品牌:STATEK
描述:Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, LEAD FREE, HERMETIC SEALED, ULTRA MINIATURE, CERAMIC PACKAGE-2
CX4VSM5-32.768K,100/C 概述
Parallel - Fundamental Quartz Crystal, 0.032768MHz Nom, LEAD FREE, HERMETIC SEALED, ULTRA MINIATURE, CERAMIC PACKAGE-2 石英晶体
CX4VSM5-32.768K,100/C 规格参数
生命周期: | Contact Manufacturer | 包装说明: | LEAD FREE, HERMETIC SEALED, ULTRA MINIATURE, CERAMIC PACKAGE-2 |
Reach Compliance Code: | compliant | HTS代码: | 8541.60.00.10 |
风险等级: | 5.62 | Is Samacsys: | N |
其他特性: | TAPE AND REEL; TRAY | 老化: | 3 PPM/FIRST YEAR |
晶体/谐振器类型: | PARALLEL - FUNDAMENTAL | 驱动电平: | 0.5 µW |
频率稳定性: | 0.0071% | 频率容差: | 100 ppm |
负载电容: | 9 pF | 安装特点: | SURFACE MOUNT |
标称工作频率: | 0.032768 MHz | 最高工作温度: | 70 °C |
最低工作温度: | -10 °C | 物理尺寸: | L5.33XB2.16XH1.22 (mm)/L0.21XB0.085XH0.048 (inch) |
串联电阻: | 50000 Ω | 表面贴装: | YES |
Base Number Matches: | 1 |
CX4VSM5-32.768K,100/C 数据手册
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PDF下载CX4VSM CRYSTAL
30 kHz to 250 kHz
Ultra-Miniature Low Profile
Surface Mount Quartz Crystal
DESCRIPTION
STATEK’s ultra-miniature CX4VSM quartz crystals are
hermetically sealed in surface mount ceramic packages and
custom laser-tuned to frequencies ranging from 30 kHz to
250 kHz. This high quality tuning fork resonator is intended
for use in Pierce (single inverter) oscillators with a maximum
process temperature not to exceed 260OC.
Glass Lid Shown
PACKAGE DIMENSIONS
D
FEATURES
Ultra-miniature, surface mount design
Available with glass or ceramic lid
Hermetically sealed ceramic package
Quartz crystal tuning fork design
High shock and vibration survival
Excellent aging characteristics
TOP
BOTTOM
A
F
E
B
D
C
Designed for low power applications
Full military testing available
TYP.
MAX.
DIM
A
inches
0.197
0.072
-
mm
5.00
1.83
-
inches
0.210
0.085
mm
5.33
2.16
Designed and manufactured in the USA
B
APPLICATIONS
C
see below
Medical Implantable and Non-Implantable Devices
Military Devices
D
0.036
0.020
0.025
0.91
0.51
0.64
0.046
1.16
E
-
-
-
-
Smart Card
F
Transponder / Animal Migration
Space Limited Devices
THICKNESS (DIM C)
Lid
Termination
Maximum
mm
Handheld Battery Operated Devices
Down Hole / Industrial Instrumentation
Computer / Computer Peripherals
inches
0.050
0.051
0.053
0.045
0.046
0.048
SM1
1.27
1.30
1.35
1.14
1.17
1.22
SM2/SM4
SM3/SM5
SM1
SM2/SM4
SM3/SM5
SUGGESTED LAND PATTERN
EQUIVALENT CIRCUIT
0.059 (1.5)
C0
0.092 (2.3)
1
L1
C1
R1
2
R1 Motional Resistance L1 Motional Inductance
C1 Motional Capacitance C0 Shunt Capacitance
0.160 (4.0)
inches (mm)
10103 - Rev E
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
TYPICAL APPLICATION
FOR A PIERCE OSCILLATOR
SPECIFICATIONS
Specifications are typical at 25OC unless otherwise noted.
Specifications are subject to change without notice.
The CX4 family of surface mount crystals are ideal for
small, high density, battery operated portable products. The
CX4 crystal designed in a Pierce oscillator (single inverter)
circuit provides very low current consumption and high
stability. A conventional CMOS Pierce oscillator circuit is
shown below. The crystal is effectively inductive and in a PI-
network circuit with CD and CG provides the additional
phase shift necessary to sustain oscillation. The oscillation
frequency (f0) is 50 to 150 ppm above the crystal’s series
resonant frequency (fS).
Parameters
Fundamental
32.768 100
50 18
Overtone
200
Frequency, (kHz)
Motional Resistance R1(kΩ)
Motional Capacitance C1 (fF)
Quality Factor Q (k)
2.4
2.3
40
1.07
85
2.2
140
Shunt Capacitance C0 (pF)
1.1
0.7
1.2
Load Capacitance (pF)1
Turning Point (oC)1
9
8
5
Drive Level
RA is used to limit the crystal’s drive level by forming a
voltage divider between RA and CD. RA also stabilizes the
oscillator against changes in the amplifiers output
resistance (R0). RA should be increased for higher voltage
operation.
25
10
29
Standard Calibration Tolerance for 32.768 kHz2
Glass Lid:
+_ 30 ppm
(0.003%)
+
+_ 100 ppm
(0.01%)
+_ 1000 ppm +_ 10000 ppm
(0.1%)
+_ 1000 ppm
(0.1%)
Load Capacitance
Ceramic Lid: _ 100 ppm
(0.01%)
The CX4 crystal calibration tolerance is influenced by the
effective circuit capacitances, specified as the load
capacitance (CL). CL is approximately equal to:
(1.0%)
Drive Level
0.5
µ
W MAX
Temperature Coefficient (k) -0.035 ppm/OC2
CD x CG
=
+
(1)
CL
CS
Note: Frequency f at temperature T is related to frequency f0 at
CD + CG
turning point temperature T0 by:
2
f-f0
f0
=
k(T-T )
0
NOTE: CD and CG include stray layout to ground and CS
is the stray shunt capacitance between the crystal
terminal. In practice, the effective value of CL will be less
than that calculated from CD, CG and CS values because
of the effect of the amplifier output resistance. CS should
be minimized.
Aging, first year
3 ppm
Shock, survival3
5,000 g, 0.3 ms, 1/2 sine
Vibration, survival
Operating Temp. Range
20 g RMS, 10-2,000 Hz random
-10OC to +70OC (Commercial)
-40OC to +85OC (Industrial)
-55OC to +125OC (Military)
The oscillation frequency (f0) is approximately equal to:
C1
=
+
(2)
f0 fS
1
[
-55OC to +125OC
]
Storage Temp. Range
2(C0 + CL)
Max Process Temperature 260OC for 20 sec.
1. Other values available
Where
= Series resonant frequency of the crystal
= Motional Capacitance
= Shunt Capacitance
fS
C1
C0
2. Tighter tolerances available
TERMINATIONS
3. Higher shock available
Designation Termination
CONVENTIONAL CMOS
PIERCE OSCILLATOR CIRCUIT
SM1
SM2
SM3
SM4
SM5
Gold Plated
Solder Plated
Solder Dipped
Solder Plated (Pb Free)
Solder Dipped (Pb Free)
Rf
BUFFER
PACKAGING OPTIONS
CX4VSM - Tray Pack
OSC
Freq (fO )
RA
AMPLIFIER
- 16mm tape, 7” or 13” reels
(Reference tape and reel data sheet 10109)
HOW TO ORDER CX4VSM CRYSTALS
CX4V
S
C
SM1
32.768K , 100
/
I
CG
CD
CX4
XTAL
Frequency
C = Ceramic Lid
Blank = Glass Lid
Calibration Operating Temp. Range:
Tolerance
@25OC
C
I
M
S
=
=
=
=
-10OC to +70OC
-40OC to +85OC
-55OC to +125OC
Customer Specified
K = kHz
SM1 = Gold Plated (Pb Free)
SM2 = Solder Plated
SM3 = Solder Dipped
SM4 = Solder Plated (Pb Free)
SM5 = Solder Dipped (Pb Free)
“S” if special or
custom design.
Blank if standard
(in ppm)
10103 - Rev E
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
CX4VSM5-32.768K,100/C 相关器件
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