參數(shù)資料
型號： ECS-0.327-12.5-26X
廠商： ECS INC INTERNATIONAL
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 0.032768 MHz
封裝： ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
文件頁數(shù)： 1/1頁
文件大小： 165K
代理商： ECS-0.327-12.5-26X
14
ECX-26X
ECX-15X
PARAMETERS
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
FREQUENCY RANGE
FO
32.768
KHz
FREQUENCY TOLERANCE
f/fo
±20
PPM
LOAD CAPACITANCE
Optional CL available
12.5
pF
DRIVE LEVEL
DL
1.0
W
EQUIV. SERIES RESISTANCE
R1
50K
55K
Q-FACTOR
Q
70K
Q
TURNOVER TEMPERATURE
+20
+25
+30
+20
+25
+30
C
TEMPERATURE COEFFICIENT
β
-0.35
-0.04
-0.35
-0.04
PM/C
SHUNT CAPACITANCE
CO
0.9
0.95
pF
CAPACITANCE RATIO
360
380
OPERATING TEMP RANGE
TOPR
-20
+70
-20
+70
C
STORAGE TEMP RANGE
TSTG
-40
+125
-40
+125
C
INSULATION RESISTANCE
@ 100V DC ±15V
500M
AGING (FIRST YEAR)
@ +25C ±3C
±3
PPM
MOTION CAPACITANCE
C1
0.0025
+0.0025
PF
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
SMD CRYSTALS
FEATURES
Cost effective
Low profile
RoHS Compliant w/exemption for Pb in high temp solder
Tape & Reel packaging
ECX-26X/ECX-15X
32.768 KHz SMD TUNING FORK CRYSTAL
7.95
±0.05
<Top View>
2.05
±0.05
#3
#2
#1
#3
#1
1.55
±0.05
0.75
0.6
0.75
0.85
6.4
0.85
0.5
0.85
2.2
0.6
Figure 3) ECX-15X Top, Side Bottom & End views
The miniature ECX-26X and the sub-miniature
ECX-15X are compact, cost effective SMD
tuning fork crystals. The slimline molded
package requires less space than other SMD
tuning fork crystals.
Figure 4) ECX-15X Land Pattern
8.95
±0.05
2.25
±0.05
#3
#2
#1
#3
#1
2.05
±0.05
0.75
0.85
0.9
0
.85
<Top View>
0.85
7.4
0.85
0.95
0
.8
0.95
2.7
0.7
Figure 1) ECX-26X Top, Side Bottom & End views
Figure 2) ECX-26X Land Pattern
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PACKAGE DIMENSIONS (mm)
PART NUMBERING GUIDE “EXAMPLE”
MANUFACTURER
FREQUENCY (32.768 MHz)
LOAD CAPACITANCE*
PACKAGE TYPE
ECS
–
.327
–
12.5
–
26X
* Package type examples (26X=ECX-26X, 27X=ECX-15X) Sample Part Number: ECS-.327-12.5-26X
Rf
Rd
C2
C1
ELECTRICAL CHARACTERISTICS
IC: TC 4069P
Rf: 10M
Rd: 330K
(As required)
C1 = 22pF, C2 = 22pF
VDD = 3.0V
RECOMMENDED OSCILLATION
CIRCUIT
PARABOLIC TEMPERATURE CURVE
In this circuit, low drive level with a maximum of
1W is recommended. If excessive drive is
applied, irregular oscillation or quartz element
fractures may occur.
-20
-10
-20
-30
-40
-50
-60
-10
0
10
203040 50
60
70
f/f (PPM)
T (C)
To determine frequency stability, use parabolic
curvature. For example: What is the stability at 45C?
1) Change in T (C) = 45 -25 = 20C
2) Change in frequency = -0.04 PPM x (
T)2
= -0.04 PPM x (20)2
= -16.0 PPM
相關(guān)PDF資料
PDF描述
ECS-040-20-5PX-TR QUARTZ CRYSTAL RESONATOR, 4 MHz
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