MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 1078

• Manufacturer Part Number: MC9S12G
• Description: Ignores external trigger. Performs one conversion sequence and stops.
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Characteristics
A.1.8
Power dissipation and thermal characteristics are closely related. The user must assure that the maximum
operating junction temperature is not exceeded. The average chip-junction temperature (T
obtained from:
T
T
P
Θ
The total power dissipation can be calculated from:
P
P
1078
J
A
D
INT
IO
JA
P
R
=
D
=
R
=
DSON
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.
is the sum of all output currents on I/O ports associated with V
P
=
DSON
Junction Temperature, [°C ]
=
Ambient Temperature, [°C ]
=
Total Chip Power Dissipation, [W]
IO
P
Package Thermal Resistance, [°C/W]
P
Chip Internal Power Dissipation, [W]
INT
INT
=
=
∑
Power Dissipation and Thermal Characteristics
=
=
i
V
--------------------------------------- for outputs driven high
+
V
----------- - for outputs driven low
DD35
I
P
I
R
DDR
OL
OL
IO
DSON
I
OH
;
⋅
–
V
V
DDR
⋅
OH
I
IO i
;
2
+
I
DDA
MC9S12G Family Reference Manual,
⋅
V
DDA
T
J
=
T
A
+
(
P
D
•
Θ
JA
)
Rev.1.01
DDX
, whereby
Freescale Semiconductor
J
) in °C can be