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RoHS
Details
系列 Packaging
Bulk
工厂包装数量 Factory Pack Quantity
1
文档预览
Preliminary Data Sheet
Features
•
•
•
•
•
•
•
•
For IF applications
Typical 3 dB bandwidth of 0.7 MHz
High attenuation
Single-ended operation
Ceramic Surface Mount Package (SMP)
Replaces Sawtek P/N 851542 (BW 3dB = 0.5 MHz)
Hermetic
RoHS compliant (2002/95/EC), Pb-free
Pb
Part Number 855736
70 MHz SAW Filter
•
Package
Surface Mount 24.60 x 9.00 x 2.31 mm
Pin Configuration
Bottom View
1 2 3 4 5
2.31 NOM.
2.62 MAX.
1.02
24.6
1.80
1.91
10 9 8 7 6
9.00
R0.5
2.31
3.53 x 4.83
1.02
Pin No.
1
5
6
10
2,3,4,7,8,9
Description
Input return
Output
Output return
Input
Case ground
Dimensions shown are nominal in millimeters
All tolerances are
±0.15mm
except overall
length and width
±0.20mm
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 B
27-Oct-2005
Page 1 of 5
Preliminary Data Sheet
Operating Temperature Range:
(2)
0 to +70
o
C
Part Number 855736
70 MHz SAW Filter
Electrical Specifications
(1)
Parameter
(3)
Center Frequency
Minimum Insertion Loss
Upper 1 dB Point
(4)
Lower 1 dB Point
(4)
Upper 3 dB Point
(4)
Lower 3 dB Point
(4)
Upper 40 dB Point
(4)
Lower 40 dB Point
(4)
Absolute Attenuation
10 - 68 MHz
72 - 85 MHz
85 - 108 MHz
108 - 140 MHz
140 - 200 MHz
Minimum
-
-
70.155
-
70.31
-
-
69.165
60
45
60
50
60
-
-
-
-
-
Typical
70
21.3
70.205
69.795
70.35
69.65
70.815
69.185
62
55
62
55
62
0.8
1.2
100
50
50
Maximum
-
22
-
69.845
-
69.69
70.836
-
-
-
-
-
-
1
3
200
-
-
Unit
MHz
dB
MHz
MHz
MHz
MHz
MHz
MHz
dB
dB
dB
dB
dB
dB p-p
deg p-p
nsec p-p
Ω
Ω
Amplitude Variation
69.85 - 70.15 MHz
Phase Ripple
69.85 - 70.15 MHz
Group Delay Variation
69.85 - 70.15 MHz
Source Impedance:
(6)
Load Impedance:
(6)
Notes:
1.
2.
3.
4.
5.
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
All attenuation measurements are measured relative to minimum insertion loss
This is the optimum impedance in order to achieve the performance shown
Test Circuit:
5pF 1000nH
10
5
33pF
50Ω
1000nH 6pF
50
Ω
Single-ended
50Ω
1,2,3,4
6,7,8,9
Subject to change or obsolescence without notice
Rev B
27-Oct-2005
Page 2 of 5
Preliminary Data Sheet
Part Number 855736
70 MHz SAW Filter
Typical Performance
(at +25
o
C)
Subject to change or obsolescence without notice
Rev B
27-Oct-2005
Page 3 of 5
Preliminary Data Sheet
Actual matching values may vary due to PCB layout and parasitics
5pF 1000nH
10
5
1000nH 6pF
Part Number 855736
70 MHz SAW Filter
Matching Schematics
50
Ω
Single-ended
50Ω
1,2,3,4
6,7,8,9
33pF
50Ω
Marking
PCB Footprint
8.84
SAWTEK
855736
XXXXXX
ID dot
Date code
9.19
1.95
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
4.0
Tape and Reel
2.7
44.8
Ø330
ID dot
0.36
2.0
Ø1.5
A
1.75
20.2
40.4
25.6
44.0
Ø102
Ø20.2
Ø13.0
2.0
Direction of travel
0.20
2.6
Section A-A
9.39
12.0
R0.75
Ø1.5
A
Dimensions shown are nominal in millimeters
Packaging quantity: 1000 units/reel
Subject to change or obsolescence without notice
Rev B
27-Oct-2005
Page 4 of 5
Preliminary Data Sheet
Maximum Ratings
Parameter
Operating Temperature Range
Storage Temperature Range
RF Power
Part Number 855736
70 MHz SAW Filter
Symbol
T
T
stg
P
in
Minimum
0
-40
-
Maximum
+70
+85
+10
Unit
C
C
dBm
o
o
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.
