854668
70 MHz SAW Filter
Applications
General Purpose
For IF applications
Product Features
Typical 3 dB bandwidth of 16.5 MHz
Low loss
High Attenuation
Single-ended operation
Ceramic Surface Mount Package (SMP)
Small Size
Dimensions: 13.30 x 6.50 x 1.75mm
Hermetic
RoHS
compliant,
Pb-free
Functional Block Diagram
Top view
Gnd
10
Input 11
Gnd
12
1
Gnd
2
Gnd
3
Gnd
4
Gnd
Gnd
9
Gnd
8
Gnd
7
6
5
Gnd
Output
General Description
The 854668 is a high-performance IF SAW filter with a
center frequency of 70 MHz and a 3.0 dB bandwidth of
16.5 MHz.
It features low loss with excellent attenuation, and is
designed to be used with a single ended input and output.
The device is RoHS compliant and Pb-free.
Pin Configuration
Pin # SE
11
5
6,12
1,2,3,4
7,8,9,10
Description
Input
Output
Ground
Case Ground
Case Ground
Ordering Information
Part No.
854668
854668-EVB
Description
packaged part
evaluation board
Standard T/R size = 2000 units/reel.
Data Sheet: Rev A 5/10/11
© 2011 TriQuint Semiconductor, Inc.
- 1 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
854668
70 MHz SAW Filter
Specifications
Electrical Specifications
(1)
Specified Temperature Range:
(2)
+25 ºC
Parameter
Center Frequency
Insertion Loss
1 dB Bandwidth
(4)
3 dB Bandwidth
(4)
40 dB Bandwidth
(4)
Passband Ripple
Phase Linearity
Group Delay Variation
Absolute Delay Variation
Temperature Coefficient
Source Impedance single-ended
(5)
Load Impedance single-ended
(5)
Conditions
At Center Frequency
Min
69.8
-
15.2
16
-
-
-
-
-
-
-
-
Typical
(3)
70
12.5
15.52
16.5
21.4
0.27
7.75
70
1.07
-94
50
50
Max
70.2
13.5
-
-
22
1.0
11.5
100
-
-
-
-
Units
MHz
dB
MHz
MHz
MHz
dB p-p
o
p-p
ns p-p
µs
ppm/ ºC
62.8– 77.2 MHz
62.8– 77.2 MHz
62.8– 77.2 MHz
62.8– 77.2 MHz
Notes:
1. All specifications are based on the TriQuint schematic for the main reference design shown on page 3
2. All specifications are tested at room temperature only
3. Typical values are based on average measurements at room temperature
4. Relative to Insertion loss at center frequency
5. This is the optimum impedance in order to achieve the performance shown
Absolute Maximum Ratings
Parameter
Operating Temperature
Storage Temperature
Input Power
(at +55 C for 10K hours max)
(6)
Rating
-40 to +85
o
C
-40 to +85
o
C
+20dBm
6. Device may operate over this range with degraded Electrical Specifications
Operation of this device outside the parameter ranges given above may cause permanent damage.
Data Sheet: Rev A 5/10/11
© 2011 TriQuint Semiconductor, Inc.
- 2 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
854668
70 MHz SAW Filter
Reference Design 1 – 50
Schematic
120nH
11
5
50
100nH
SE Input, 50
SE Output
50
Single-ended
Input
50
1,2,3,4,6
7,8,9,10,12
50
Single-ended
Output
Notes:
1.
Actual matching values may vary due to PCB layout and parasitic
PC Board
Mounting Configuration
1.70
13.51
3.53
960685
L1
6.70
SAWTEK
854668
JJJYHH
L2
.99
.99
8.61
1.55
1.70
Notes:
Top, middle & bottom layers: 1 oz copper
Substrates: FR4 dielectric, .031” thick
Finish plating: Nickel: 3-8µm thick, Gold: .03-.2µm thick
Hole plating: Copper min .0008µm thick
Notes:
1.
All dimensions are in millimeters.
2.
This footprint represents a recommendation only.
Bill of Material
Reference Desg.
L1
L2
SMA
PCB
Value
120 nH
100 nH
N/A
N/A
Description
Coil Wire-wound, 0805, 5%
Coil Wire-wound, 0805, 5%
SMA connector
3-layer
Manufacturer
Coilcraft
Coilcraft
Radiall USA Inc.
multiple
Part Number
0805CS-121XJBC
0805CS-111XJBC
9602-1111-018
960685
Data Sheet: Rev A 5/10/11
© 2011 TriQuint Semiconductor, Inc.
- 3 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
854668
70 MHz SAW Filter
Typical Performance
(at room temperature)
Data Sheet: Rev A 5/10/11
© 2011 TriQuint Semiconductor, Inc.
- 4 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®
854668
70 MHz SAW Filter
Mechanical Information
Package Information, Dimensions and Marking
SAWTEK
854668
JJJYHH
Package Style: SMP-53A
Dimensions: 13.30 x 6.50 x 1.75 mm
Date Code
ID Dot
1.75 NOM.
1.96 MAX.
0.76
13.3
2.54
Body:
Al
2
O
3
ceramic
Lid:
Kovar, Ni
plated
Terminations:
Au
plating 0.5 - 1.0μm, over a 2-6μm
Ni
plating
All dimensions shown are nominal in millimeters
All tolerances are ±0.15mm except overall length and width
±0.10mm
The date code consists of: day of the current year (Julian,
3 digits), Y = last digit of the year (1 digit), and HH = hour
(2 digits)
2.18
6.50
2.54
1.17 x 3.76
0.79
1.50
Tape and Reel Information
Standard T/R size = 2000 units/reel. All dimensions are in millimeters
2.7
24.8
Ø330
ID dot
Section A-A
0.3
2.0
4.0
Ø1.5
A
1.75
11.5
Ø102
Direction of travel
Ø20.2
Ø13.0
2.0
13.9
24
2.3
7.1
12.0
Ø1.5
A
Data Sheet: Rev A 5/10/11
© 2011 TriQuint Semiconductor, Inc.
- 5 of 6 -
Disclaimer: Subject to change without notice e
Connecting the Digital World to the Global Network
®