All specifications are based on the test circuit shown below
All specifications are tested at room temperature only
This is the optimum impedance in order to achieve the performance shown
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
470nH
10
5
47pF
50Ω
560nH
50Ω
Single-ended
Input
50Ω
68pF
1,2,3,4
6,7,8,9
50Ω
Single-ended
Output
Subject to change or obsolescence without notice
Rev -
15-Feb-2005
Page 2 of 5
Data Sheet
Part Number 854651
70 MHz SAW Filter
Typical Performance
(at +25
o
C)
Subject to change or obsolescence without notice
Rev -
15-Feb-2005
Page 3 of 5
Data Sheet
Actual matching values may vary due to PCB layout and parasitics
470nH
10
5
560nH
Part Number 854651
70 MHz SAW Filter
Matching Schematics
50Ω
Single-ended
Input
50Ω
68pF
1,2,3,4
6,7,8,9
47pF
50Ω
50Ω
Single-ended
Output
Marking
PCB Footprint
8.86
2.51
SAWTEK
854651
XXXXXX
ID Dot
Date Code
6.70
2.00
1.22
.69
The date code consists of: day of the current year (Julian,
3 digits), last digit of the year (1 digit) and hour (2 digits)
This footprint represents a recommendation only
Dimensions shown are nominal in millimeters
Tape and Reel
2.7
32.8
Ø330
ID dot
0.3
2.0
4.0
Ø1.5
R0.75
A 1.75
14.2
19.6
32.0
28.4
Ø102
Ø20.2
Ø13.0
2.0
0.20
Direction of travel
2.3
Section A-A
7.1
12.0
Ø1.5
A
Dimensions shown are nominal in millimeters
Packaging quantity: 2000 units/reel
Subject to change or obsolescence without notice
Rev -
15-Feb-2005
Page 4 of 5
Data Sheet
Maximum Ratings
Parameter
Storage Temperature Range
Part Number 854651
70 MHz SAW Filter
Symbol
T
stg
Minimum
-40
Maximum
-+85
Unit
ºC
Warnings
•
•
•
Electrostatic Sensitive Device (ESD)
Avoid ultrasonic exposure
Material Content
Does not contain lead (Pb) or other RoHS restricted materials
Links to Additional Technical Information
PCB Layout Tips
S-Parameters
Qualification Flowchart
Soldering Profile
Other Technical Information
Sawtek’s liability is limited only to the Surface Acoustic Wave (SAW) component(s) described in this data sheet. Sawtek does not accept any liability for
applications, processes, circuits or assemblies which are implemented using any Sawtek component described in this data sheet.
京公网安备 11010802033920号
EEWORLD
