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
Amplitude variation is defined as the difference between the lowest loss and the highest loss within defined frequency points
Referenced to insertion loss at 201 MHz
This is the optimum impedance in order to achieve the performance shown
Minimum
-
-
-
201.11
-
2.05
-
16
27
28
36
38
-
-
Typical
201
6.1
200.83
201.17
0.6
2.3
0.8
25
29
32
40
40
200
200
Maximum
-
7
200.89
-
1
2.55
1.5
-
-
-
-
-
-
-
Unit
MHz
dB
MHz
MHz
dB p-p
µs
µs
dB
dB
dB
dB
dB
Ω
Ω
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
33nH
27nH
10
200Ω
15pF
33nH
1
2,3,4
7,8,9
5
27nH
6
18pF
200Ω
200
Ω
Balanced
Input
200
Ω
Balanced
Output
Subject to change or obsolescence without notice
Rev -
10-Nov-2005
Page 2 of 5
Preliminary Data Sheet
Part Number 856541
201 MHz SAW Filter
Typical Performance
(at +25
o
C)
Subject to change or obsolescence without notice
Rev -
10-Nov-2005
Page 3 of 5
Preliminary Data Sheet
Actual matching values may vary due to PCB layout and parasitics
33nH
10
6
27nH
Part Number 856541
201 MHz SAW Filter
Matching Schematics
200
Ω
Balanced
Input
200
Ω
Balanced
Output
200Ω
15pF
33nH
1
2,3,4
7,8,9
5
27nH
18pF
200Ω
Marking
PCB Footprint
8.86
2.51
SAWTEK
856541
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
24.8
2.7
Ø330
ID dot
0.3
2.0
4.0
Ø1.5
A
1.75
11.5
13.9
24
Ø102
Direction of travel
Ø20.2
Ø13.0
2.0
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 -
10-Nov-2005
Page 4 of 5
Preliminary Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
Part Number 856541
201 MHz SAW Filter
Symbol
T
T
stg
Minimum
0
-40
Maximum
+70
+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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