Rainbow Electronics LM41 - Manual (Page 4)

Absolute Maximum Ratings
(Notes 2, 1)
Supply Voltage (V + ) −0.5 V to 6.0 V
Voltage at Any Digital Input or
Output Pin −0.5 V to 6.0 V
Voltage on 12V Analog Input −0.5 V to 16 V
Voltage on 5V Analog Input −0.5 V to 6.67 V
Voltage on D+ −0.5 V to (V+ + 0.05 V)
Voltage on Other Analog Inputs −0.5 V to 6.0 V
Current on D- ± 1 mA
Input Current per Pin(Note 3) ± 5 mA
Package Input Current (Note 3) ± 30 mA
Package Power Dissipation (Note 4)
Output Sink Current 10 mA
ESD Susceptibility (Note 5)
Human Body Model 2500 V
Machine Model 250 V
Storage Temperature −65˚C to +150˚C
Soldering process must comply with National’s reflow
temperature profile specifications. Refer to
www.national.com/packaging/. (Note 6)
Operating Ratings
(Notes 1, 2)
Temperature Range for Electrical Characteristics
LM41CIMT (T
MIN
≤T
A
≤T
MAX
) 0˚C ≤ T
A
≤ +85˚C
Operating Temperature Range 0˚C ≤ T
A
≤ +125˚C
Remote Diode Temperature (T
D
)
Range -5˚C ≤ T
D
≤ +140˚C
Supply Voltage Range (V+) +3.0 V to +3.6 V
Analog Input Voltage Rage:
+1.2V and +2.5V −0.05V to
(V+ + 0.05V)
+3.3V_SBY (V+) +3.0V to +3.6V
+5V −0.05V to +6.67V
+12V −0.05V to +16V
DC Electrical Characteristics
The following specifications apply for V+ = +3.0 V
DC
to +3.6 V
DC
, and all analog source impedance R
S
= 50 Ω unless other-
wise specified in the conditions. Boldface limits apply for LM41CIMT T
A
= T
J
= T
MIN
=0˚C to T
MAX
=85˚C; all other limits
T
A
= +25˚C. T
A
is the ambient temperature of the LM41; T
J
is the junction temperature of the LM41; T
D
is the junction tem-
perature of the remote thermal diode.
POWER SUPPLY CHARACTERISTICS
Symbol Parameter Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limit)
V+ Power Supply Voltage 3.3
3.0
3.6
V (min)
V (max)
I+
Shutdown
Shutdown Power Supply Current
SensorPath Bus Inactive
(Note 9)
260 420 µA (max)
I+
Average
Average Power Supply Current
SensorPath Bus Inactive; all
sensors enabled;
t
CONV
=182 ms; (Note 9)
900 µA (max)
I+
Peak
Peak Power Supply Current
SensorPath Bus Inactive
(Note 9)
3.3 mA (max)
Power-On Reset Threshold Voltage
1.6 V (min)
2.8 V (max)
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
Parameter Conditions
Typical
(Note 7)
Limits
(Note 8)
Units
(Limits)
Temperature Accuracy Using the Remote Thermal
Diode, see (Note 12) for Thermal Diode Processor
Type.
T
J
= 0˚C to
+85˚C
T
D
= +25˚C
± 1 ± 2.5 ˚C (max)
T
J
= 0˚C to
+85˚C
T
D
= 0˚C to
+100˚C
± 3 ˚C (max)
T
J
= 0˚C to
+85˚C
T
D
= +100˚C to
+125˚C
± 4 ˚C (max)
Temperature Accuracy Using the Local Diode T
J
= 0˚C to +85˚C (Note 10) ± 1 ± 3 ˚C (max)
Remote Diode and Local Temperature Resolution 10 Bits
0.5 ˚C
D− Source Voltage 0.7 V
LM41
www.national.com 4