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ISL70219ASEHF/PROTO Datasheet(PDF) 21 Page - Renesas Technology Corp

Part # ISL70219ASEHF/PROTO
Description  40V Radiation Hardened and SET Enhanced, Precision Low-Power Operational Amplifier
PDF  25 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL70219ASEHF/PROTO Datasheet(HTML) 21 Page - Renesas Technology Corp

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ISL70219ASEH
FN8459 Rev. 2.00
Page 21 of 25
Jun 11, 2018
Power Dissipation
It is possible to exceed the +150°C maximum junction
temperature under certain load and power supply conditions. It is
therefore important to calculate the maximum junction
temperature (TJMAX) for all applications to determine if power
supply voltages, load conditions, or package type need to be
modified to remain in the safe operating area. These parameters
are related using Equation 1:
where:
•PDMAXTOTAL is the sum of the maximum power dissipation of
each amplifier in the package (PDMAX)
•PDMAX for each amplifier can be calculated using Equation 2:
where:
•TMAX = Maximum ambient temperature
•
JA = Thermal resistance of the package
•PDMAX = Maximum power dissipation of one amplifier
•VS = Total supply voltage
•IqMAX = Maximum quiescent supply current of one amplifier
•VOUTMAX = Maximum output voltage swing of the application
TJMAX
TMAX JA PDMAXTOTAL
+
=
(EQ. 1)
PDMAX
VS IqMAX VS
- VOUTMAX
VOUTMAX
RL
----------------------------
+
=
(EQ. 2)
TABLE 1. ISL70219ASEH DIE LAYOUT X-Y COORDINATES
PAD NAME
PAD NUMBER
X
(µm)
Y
(µm)
dX
(µm)
dY
(µm)
BOND WIRES
PER PAD
OUTB
1
2195.0
1418.0
70
70
1
V+
2
2195.0
2510.0
70
70
1
OUTA
3
709.0
2727.0
70
70
1
-INA
4
339.0
2727.0
70
70
1
+INA
5
114.0
2510.0
70
70
1
V-
6
114.0
336.0
70
70
1
+INB
7
2195.0
336.0
70
70
1
-INB
8
1970.0
110.0
70
70
1
NOTE:
10. Origin of coordinates is the bottom left corner of the die.



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