All specifications are based on the test circuit shown below
In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
This is the optimum impedance in order to achieve the performance shown
Sawtek’s production specifications reflect the typical performance in a 50 ohm single-ended system. This filter can be used in both
single-ended and/or differential modes at each port. In addition, similar performance can be achieved in source and load
impedances ranging from 50 to 500 ohms.
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
22nH
9
3
15pF
50Ω
50
Ω
Single-ended
50Ω
12pF
1,2,4,5,6,7
8,10,11,12
Subject to change or obsolescence without notice
Rev B
17-Oct-2005
Page 2 of 5
Data Sheet
Part Number 855653
374 MHz SAW Filter
Typical Performance
(at +25
o
C) (50Ω Input/Output)
Subject to change or obsolescence without notice
Rev B
17-Oct-2005
Page 3 of 5
Data Sheet
Actual matching values may vary due to PCB layout and parasitics
22nH
9
3
Part Number 855653
374 MHz SAW Filter
Matching Schematics
50
Ω
Single-ended
50Ω
12pF
1,2,4,5,6,7
8,10,11,12
15pF
50Ω
22pF
9
3
15nH
1,2,5,6
10 7,8,11,12
4
22pF
200Ω
200
Ω
Balanced
input
200Ω
27nH
200
Ω
Balanced
output
Marking
1.34
PCB Footprint
.99
.28
1.34
.28
Date code
ID dot
SAWTEK
855653
XXXXXX
5.71
.99
7.21
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
16.8
Ø330
Pad 1 ID dot
0.3
2.0
4.0
Ø1.5
A
1.75
7.5
7.3
16.0
Ø102
Direction of travel
Ø20.2
Ø13.0
2.0
2.2
Section A-A
5.8
8.0
Ø1.5
A
Dimensions shown are nominal in millimeters
Packaging quantity: 3000 units/reel
Subject to change or obsolescence without notice
Rev B
17-Oct-2005
Page 4 of 5
Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
Part Number 855653
374 MHz SAW Filter
Symbol
T
T
stg
Minimum
-40
-40
Maximum
+85
+85
Unit
o
o
C
C
Important Notes
Warnings
•
•
•
•
Electrostatic Sensitive Device (ESD)
Avoid ultrasonic exposure
RoHS Compliance
This product complies with EU directive 2002/95/EC (RoHS)
Pb
Solderability
Compatible with JEDEC J-STD-020C
Pb-free
process,
260°C
peak reflow temperature
(see
soldering profile)
Links to Additional Technical Information
PCB Layout Tips
S-Parameters
Qualification Flowchart
RoHS Information
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.
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