Data Sheet
Features
•
•
•
•
•
•
•
Usable bandwidth of 700 kHz
Low loss
High attenuation
Single-ended operation, 50
Ω
Ceramic Surface Mount Package (SMP)
Hermetic
RoHS compliant (2002/95/EC), Pb-free
Pb
Part Number 855444
211 MHz SAW Filter
•
Package
Surface Mount 13.30 x 6.50 x 1.75 mm
SMP-53B
Pin Configuration
Bottom View
This package includes a center pad.
Soldering of the center pad to PCB is not recommended and not required.
1
1.75 NOM.
1.96 MAX.
0.76
13.3
2.54
2
3
4
5
6
12
11
10
9
8
7
2.18
6.50
2.54
1.17 x 3.76
0.79
1.50
Single-ended Configuration
Pin No.
Description
5
Output
11
Input
1,2,3,4,6
Case ground
7,8,9,10,12
Case ground
Dimensions shown are nominal in millimeters
All tolerances are
±0.15mm
except overall
length and width
±0.10mm
Body:
Al
2
O
3
ceramic
Lid:
Kovar, Ni
plated
Terminations:
Au
plating 0.5 - 1.0µm,
over a 2 - 6µm
Ni
plating
Subject to change or obsolescence without notice
Rev A
08/08
TriQuint Semiconductor, Inc.
Page 1 of 6
Data Sheet
Operating Temperature Range:
(2)
-10 to +85
o
C
Part Number 855444
211 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency, F
o
Minimum Insertion Loss at F
o
3 dB Lower Bandedge
(5)
3 dB Upper Bandedge
(5)
Attenuation at F
o
±
630 kHz
Attenuation at F
o
±
1 MHz
Absolute Delay
Group Delay Ripple
210.85 - 211.15 MHz
Relative Attenuation
(5)
131 - 209 MHz
213 - 291 MHz
291 - 2000 MHz
Optimal Source Impedance
(6)
Optimal Load Impedance
(6)
Notes:
Minimum
-
-
211.4
6
10
-
-
30
30
40
-
-
Typical
(4)
211
5.75
210.56
211.5
8.1
28.4
1.383
215
46.6
46.6
70
50
50
Maximum
-
8.0
210.6
-
-
-
-
250
-
-
-
-
-
Unit
MHz
dB
MHz
MHz
dB
dB
µs
ns
dB
dB
dB
Ω
Ω
1. All specifications are based on the TriQuint test circuit shown below
2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
4. Typical values are based on average measurements at room temperature
5. Relative to minimum insertion loss at F
O
6. 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
47nH
11
5
35pF
1,2,3,4,6
7,8,9,10,12
50Ω
Ω
51nH
50
Ω
Single-ended
Input
50Ω
Ω
33pF
50
Ω
Single-ended
Output
Subject to change or obsolescence without notice
Rev A
08/08
TriQuint Semiconductor, Inc.
Page 2 of 6
Data Sheet
Operating Temperature Range:
(2)
-40 to +85
o
C
Part Number 855444
211 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency, F
o
Minimum Insertion Loss at F
o
3 dB Lower Bandedge
(5)
3 dB Upper Bandedge
(5)
Attenuation at F
o
±
630 kHz
Attenuation at F
o
±
1 MHz
Absolute Delay
Group Delay Ripple
210.85 - 211.15 MHz
Relative Attenuation
(5)
131 - 209 MHz
213 - 291 MHz
291 - 2000 MHz
Optimal Source Impedance
(6)
Optimal Load Impedance
(6)
Notes:
Minimum
-
-
211.4
5.5
10
-
-
30
30
40
-
-
Typical
(4)
211
5.75
210.56
211.5
8.1
28.4
1.383
215
46.6
46.6
70
50
50
Maximum
-
8.0
210.65
-
-
-
-
325
-
-
-
-
-
Unit
MHz
dB
MHz
MHz
dB
dB
µs
ns
dB
dB
dB
Ω
Ω
1. All specifications are based on the TriQuint test circuit shown below
2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over
temperature
3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances
4. Typical values are based on average measurements at room temperature
5. Relative to minimum insertion loss at F
O
6. 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
47nH
11
5
35pF
1,2,3,4,6
7,8,9,10,12
50Ω
Ω
51nH
50
Ω
Single-ended
Input
50Ω
Ω
33pF
50
Ω
Single-ended
Output
Subject to change or obsolescence without notice
Rev A
08/08
TriQuint Semiconductor, Inc.
Page 3 of 6
Data Sheet
Part Number 855444
211 MHz SAW Filter
Typical Performance
(at room temperature)
Subject to change or obsolescence without notice
Rev A
08/08
TriQuint Semiconductor, Inc.
Page 4 of 6
Data Sheet
Actual matching values may vary due to PCB layout and parasitics
47nH
11
5
35pF
1,2,3,4,6
7,8,9,10,12
51nH
Part Number 855444
211 MHz SAW Filter
Matching Schematics
50
Ω
Single-ended
Input
50Ω
Ω
33pF
50Ω
Ω
50
Ω
Single-ended
Output
Marking
1.70
PCB Footprint
13.51
3.53
SAWTEK
855444
XXXXXX
ID Dot
Date Code
6.70
.99
.99
8.61
1.55
1.70
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
0.3
2.0
ID dot
4.0
Ø1.5
A
1.75
11.5
13.9
24
Ø102
Ø20.2
Ø13.0
2.0
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 A
08/08
TriQuint Semiconductor, Inc.
Page 5 of 6
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