EL5111_07 INTERSIL [Intersil Corporation], EL5111_07 Datasheet - Page 12

• Manufacturer Part Number: EL5111_07
• Description: 60MHz Rail-to-Rail Input-Output Op Amps
• Manufacturer: INTERSIL [Intersil Corporation]

The maximum power dissipation actually produced by an IC
is the total quiescent supply current times the total power
supply voltage, plus the power in the IC due to the loads, or:
P
when sourcing, and:
P
when sinking,
where:
• i = 1 to 2 for dual and 1 to 4 for quad
• V
• I
• V
• I
If we set the two P
can solve for R
36 provide a convenient way to see if the device will
overheat. The maximum safe power dissipation can be
found graphically, based on the package type and the
ambient temperature. By using the previous equation, it is a
simple matter to see if P
derating curves. To ensure proper operation, it is important
to observe the recommended derating curves shown in
Figures 29-36.
DMAX
DMAX
FIGURE 29. PACKAGE POWER DISSIPATION vs AMBIENT
SMAX
LOAD
S
OUT
= Total supply voltage
=
=
i = Maximum output voltage of the application
i = Load current
= Maximum supply current per amplifier
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
Σi V
Σi V
[
[
0
JEDEC JESD51-3 LOW EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
TEMPERATURE
694mW
S
S
LOAD
×
×
I
I
SMAX
SMAX
DMAX
25
AMBIENT TEMPERATURE (°C)
i to avoid device overheat. Figures 29-
+
+
DMAX
equations equal to each other, we
(
(
V
V
θ
50
S
OUT
JA
12
HTSSOP14
+ V
=+144°C/W
exceeds the device's power
–
i V
–
OUT
75
S
- ) I
i )
85
×
×
I
LOAD
LOAD
100
i
EL5111, EL5211, EL5411
i
]
]
125
(EQ. 2)
(EQ. 3)
FIGURE 30. PACKAGE POWER DISSIPATION vs AMBIENT
FIGURE 31. PACKAGE POWER DISSIPATION vs AMBIENT
FIGURE 32. PACKAGE POWER DISSIPATION vs AMBIENT
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
0
0
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL
CONDUCTIVITY (4-LAYER) TEST BOARD -
HTSSOP EXPOSED DIEPAD SOLDERED TO
PCB PER JESD51-5
JEDEC JESD51-3 LOW EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
TEMPERATURE
TEMPERATURE
TEMPERATURE
2.632W
977mW
893mW
845mW
758mW
1.667W
1.471W
1.389W
1.289W
1.250W
1.042W
25
25
25
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
50
50
50
θ
75
75
HTSSOP14
JA
=+38°C/W
85
85
75
100
100
θ
θ
θ
θ
θ
θ
θ
θ
θ
θ
85
JA
JA
JA
JA
JA
JA
JA
JA
JA
JA
TSSOP28
TSSOP24
TSSOP20
TSSOP16
TSSOP14
TSSOP28
TSSOP24
TSSOP20
TSSOP16
TSSOP14
=+120°C/W
=+128°C/W
=+140°C/W
=+148°C/W
=+165°C/W
=+100°C/W
=+75°C/W
=+85°C/W
=+90°C/W
=+97°C/W
100
125
125
January 10, 2007
125
150
150
FN7119.5