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CHR3694-QDG Datasheet(PDF) 4 Page - United Monolithic Semiconductors

No. de Pieza. CHR3694-QDG
Descripción  37-40GHz Integrated Down converter 37-40GHz Integrated Down converter
Descarga  18 Pages
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Fabricante  UMS [United Monolithic Semiconductors]
Página de inicio  http://www.ums-gaas.com
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CHR3694-QDG Datasheet(HTML) 4 Page - United Monolithic Semiconductors

 
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CHR3694-QDG
37-40GHz Down Converter
Ref. : DSCHA3694-QDG9077 - 18 Mar 09
4/18
Specifications subject to change without notice
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
Device thermal performances
All the figures given in this section are obtained assuming that the QFN device is cooled
down only by conduction through the package thermal pad (no convection mode
considered).
The temperature is monitored at the package back-side interface (Tcase) as shown below.
The system maximum temperature must be adjusted in order to guarantee that Tcase
remains below than the maximum value specified in the next table. So, the system PCB
must be designed to comply with this requirement.
A derating must be applied on the dissipated power if the Tcase temperature can not be
maintained below than the maximum temperature specified (see the curve Pdiss. Max) in
order to guarantee the nominal device life time (MTTF).
Max. junction temperature (Tj max)
:
144 °C
Max. continuous dissipated power @ Tcase=
85
°C
:
0,6 W
=> Pdiss derating above Tcase
(1)=
85
°C
:
10 mW/°C
Junction-Case thermal resistance (Rth J-C)
(2)
:
<97 °C/W
Min. package back side operating temperature
(3)
:
-40 °C
Max. package back side operating temperature
(3)
:
85 °C
Min. storage temperature
:
-55 °C
Max. storage temperature
:
125 °C
(1) Derating at junction temperature constant = Tj max.
(2) Rth J-C is calculated for a worst case where the hotter junction of the MMIC is considered.
(3) Tcase=Package back side temperature measured under the die-attach-pad (see the drawing below).
DEVICE THERMAL SPECIFICATION : CHR3694-QDG
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
-50
-25
0
25
50
75
100
125
Tcase (°C)
Pdiss. Max. (W)
Tcase
Example of QFN 16L 3x3
back-side view, temperature
reference point (Tcase) location.


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