TGA4541-SM
Ka-Band Variable Gain Driver Amplifier
Specifications (cont.)
Thermal and Reliability Information
Parameter
Thermal Resistance, θJC, measured to back of package
Channel Temperature (Tch), and Median Lifetime
(Tm)
Channel Temperature (Tch), and Median Lifetime
(Tm) Under RF Drive
Condition
Tbase = 85 °C
Tbase = 85 °C, Vd = 5 V, Id = 330
mA, Pdiss = 1.65 W
Tbase = 85 °C, Vd = 5 V, Id = 330
mA, Pout = 24 dBm, Pdiss = 1.40 W
Rating
θJC = 34.5 °C/W
Tch = 142 °C
Tm = 2.8 E+6 Hours
Tch = 133 °C
Tm = 7.9 E+6 Hours
1E+15
Median Lifetime (Tm) vs. Channel Temperature (Tch)
1E+14
1E+13
1E+12
1E+11
1E+10
1E+09
1E+08
1E+07
1E+06
1E+05
FET5
1E+04
25
50
75
100
125
150
175
200
Channel Temperature, Tch (°C)
Preliminary Data Sheet: Rev- 05/08/12
© 2012 TriQuint Semiconductor, Inc.
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Disclaimer: Subject to change without notice
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