www.national.com
6
Absolute Maximum Ratings
(Notes 1 & 2)
Any Positive Supply Voltage
Voltage On Any Input or Output Pin
Input Current at any pin (Note 3)
Package Input Current (Note 3)
Package Dissipation at T
= 25°C (Note 4)
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
Soldering Temperature
Infrared, 10 seconds (Note 6)
Storage Temperature
4.2V
-0.3V to 4.2V
±35mA
±50mA
2500V
250V
260°C
-65°C to 150°C
Operating Ratings
(Notes 1 & 2)
Operating Temperature Range
All Supply Voltages
V IN Voltage Range
V
REFT
Voltage Range
V
REFB
Voltage Range
V
REFP
Voltage Range
V
REFN
Voltage Range
All Digital Inputs Voltage Range
-0°C
≤
T
A
≤
+70°C
+2.85V to +3.15V
0.0V to AV+
2.0V to 2.5V
0.4V to 0.9V
1.3V to 1.9V
1.3V to 1.9V
-0.05V to 3.35V
DC and Logic Level Specifications
The following specifications apply for DV+ = AV+ = DV+ I/O = +3.0V, C
L
= 10pF, and f
CLK
= 18MHz unless otherwise noted.
Boldface
limits apply for TA = T
MIN
to T
MAX
:
all other limits T
A
= 25
o
C (Note 7).
Power Dissipation Specifications
The following specifications apply for DV+ = AV+ = DV+ I/O = +3.0V, C
L
= 10pF, and f
CLK
= 18MHz unless otherwise noted.
Boldface
limits apply for TA = T
MIN
to T
MAX
:
all other limits T
A
= 25
o
C (Note 7)
Symbol
Parameter
Conditions
Min
(note 9)
Typical
(note 8)
Max
(note 9)
Units
Digital Input Characteristics
VIH
Logical “1” Input Voltage
2.0
V
VIL
Logical “0” Input Voltage
1.0
V
IIH
Logical “1” Input Current
VIH = DV+, Digital inputs
except Reset
100
nA
VIH = DV+, Reset (internal
pull-down resistor)
400
μ
A
IIL
Logical “0” Input Current
VIL = DGND
-100
nA
Digital Output Characteristics
VOH
Logical “1” Output Voltage
DV+ = 3.15V, Iout = -0.5mA
DV+ = 2.85V, Iout = -0.5mA
2.5
2.3
V
VOL
Logical “0” Output Voltage
DV+ = 3.15V, Iout = 1.6mA
DV+ = 2.85V, Iout = 1.6mA
0.4
0.4
V
IOS
Output Short Circuit Current
30
mA
Power Supply Characteristics
Symbol
Parameter
Conditions
Min
(note 9)
Typical
(note 8)
Max
(note 9)
Units
PWR
Average Power Dissipation
AV+ = DV+ = DV+ I/O = 2.7V
AV+ = DV+ = DV+ I/O = 3.0V
AV+ = DV+ = DV+ I/O = 3.3
86
100
116
mW
L