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PDF ATN3590 Data sheet ( Hoja de datos )
| Número de pieza | ATN3590 | |
| Descripción | Fixed Attenuators | |
| Fabricantes | Skyworks Solutions | |
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DATA SHEET
ATN3590 Series: Fixed Attenuators
Applications
x Level adjustment in radios, radars, EW/ECM equipment, and
test instruments
Features
x Fixed value, absorptive devices
x Available attenuation values range from 0 to 10 dB (in 1 dB
steps), and 12, 15, 20, and 30 dB
x Suitable for use to 40 GHz or higher
x Excellent return loss: 30 dB, typical
x Enhanced power handling: 2 W
Skyworks offers lead (Pb)-free, RoHS (Restriction of
Hazardous Substances) compliant packaging.
Out
Back Side
Back Side
In
Schematic
Figure 1. Typical Attenuator Die and Circuit
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Description
The ATN3590 family of fixed resistive attenuators are integrated
circuits comprising thin film resistors and through-die vias that
provide excellent attenuation flatness from low frequency to
40 GHz or higher. These attenuators are available from 0 to 30 dB
(see Table 2).
The ATN3590 attenuator family is optimized for surface mounting
on co-planar waveguide or microstrip printed circuit boards. Bond
wires or ribbons are used to connect the input and output ports of
the attenuators to the external circuit transmission lines.
Connection to ground is accomplished by through-die vias to the
die backside metallization.
The dice are attached using eutectic solder or conductive epoxy
and can operate over a temperature range of –65 qC to 150 qC.
The absolute maximum ratings for the ATN3590 attenuators are
provided in Table 1 and the electrical specifications are shown in
Table 2. Typical performance characteristics are illustrated in
Figures 2 through 8.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200842B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • December 2, 2009
1
1 page  
DATA SHEET • ATN3590 SERIES FIXED ATTENUATORS
The metallization on the circuit medium to which the attenuator is
to be mounted must also include the split in the ground
connections. It is recommended that the gap between the ground
pads on the circuit medium should be 250 μm wide by 900 μm
long.
The input and output signal paths should be connected to the
signal path bond pads on the attenuator with Au ribbons or wires.
It is recommended that these connections be made with
0.25 x 3 mil (6.25 x 75 microns) ribbons, as shown in Figure 12.
Package Dimensions
The PCB layout footprint for the ATN3590 attenuators is shown in
Figure 13. Package dimensions are provided in Figure 14.
Packaging
The standard mode of packaging for shipment of the ATN3590
Attenuator Series is 100 pieces per GelPak™.
Ground
0.25 x 3 mil Au Ribbon
(2 Places)
Input/Output
Output/Input
Ground
Figure 12. Suggested Die Mount and Ribbon Attachment
For best performance, no PCB topside
ground metal should remain in this area
(250 x 900 microns, centered on die)
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Figure 13. PCB Layout Footprint
Ground metal (2 places)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200842B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • December 2, 2009
5
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ATN3590.PDF ] | |
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