LM81CIMT-3/NOPB National Semiconductor, LM81CIMT-3/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM81CIMT-3/NOPB
• Description: IC MONITOR SYS HARDWAR 24-TSSOP
• Manufacturer: National Semiconductor

Specifications of LM81CIMT-3/NOPB

• Function: Hardware Monitor
• Topology: ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.8 V ~ 3.8 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Supply Voltage Range: 2.8V To 3.8V
• Reset Type: Active-Low
• Supply Current: 1.4mA
• Digital Ic Case Style: TSSOP
• No. Of Pins: 24
• Operating Temperature Range: -40°C To +125°C
• Rohs Compliant: Yes
• Monitored Voltage: 2.5 V , 3.3 V , 5 V , 12 V
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No
• Supply Voltage (max): 3.8 V
• Supply Voltage (min): 2.8 V
• Supply Current (typ): 400 uA (Typ)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM81CIMT-3; *LM81CIMT-3/NOPB; LM81CIMT-3

Symbol
POWER SUPPLY CHARACTERISTICS
I
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
LM81 ANALOG-TO-DIGITAL CONVERTER CHARACTERISTICS
ADC INPUT CHARACTERISTICS
+
The following specifications apply for +2.8V
for T
TUE
DNL
PSS
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Positive Supply Voltage (V
Voltage on Any Input or Output Pin:
Input Current at any Pin (Note 4)
Package Input Current (Note 4)
Maximum Junction Temperature
ESD Susceptibility (Note 6)
DC Electrical Characteristics
t
C
+12Vin, T_CRIT_A
A0, A1, DACOut
+2.5Vin, +3.3Vin
All other pins
(T
Human Body Model
Machine Model
J
A
max)
= T
Supply Current
Error
Resolution
Resolution
Total
Unadjusted
Error
Differential Non-Linearity
Power Supply Sensitivity
Total Monitoring Cycle Time
Input Resistance (All analog
inputs except Vccp1 and Vccp2)
Vccp1 and Vccp2 DC Input
Current
J
= T
MIN
Parameter
to T
MAX
+
)
; all other limits T
+2.5Vin,
+3.3Vin,
+5Vin
Vccp1,
Vccp2
+12Vin
12-bit mode
9-bit mode
−0.3V to (V
DC
Interface Inactive
−40˚C
(Notes 11, 12)
(Note 11)
(Notes 11, 12)
(Note 13)
9-bit Temp Resolution
12-bit Temp Resolution
A
−0.3V to +15V
(Notes 1, 2)
= T
−0.3V to +6V
V
+
J
Conditions
+
= 25˚C. (Note 8)
(Note 3)
±
T
+ 0.3V)
+3.8V
±
20 mA
2000V
A
150˚C
+6.0V
5 mA
200V
+125˚C
DC
, R
5
S
= 500 , unless otherwise specified. Boldface limits apply
Soldering Information
Storage Temperature
Operating Ratings
Operating Temperature Range
LM81
Specified Temperature Range
LM81
Supply Voltage (V
V
Junction to Ambient Thermal Resistance (
IN
MTC Package (Note 7) :
NS Package Number: MTC24B
+12Vin
+5Vin
+3.3Vin
+2.5Vin
VID0 - VID4, Vccp, FAN1-FAN2
All other inputs
Voltage Range:
Vapor Phase (60 seconds)
Infrared (15 seconds)
(Note 9)
Typical
±
115
0.4
0.4
±
0.4
8
1
+
)
LM81BIM
(Note 10)
0.0625
Limits
+1.2
−1.2
+1.2
−1.2
+1.2
−1.2
0.82
1.4
1.2
0.5
±
±
90
3
1
(Notes 1, 2)
LM81CIM
(Note 10)
0.0625
Limits
+0.8
+2.4
+3.1
+1.2
0.82
0.9
0.5
1.2
±
+2
±
90
0
3
1
−0.05V to (V
−40˚C
−40˚C
−65˚C to +150˚C
T
T
JA
MIN
MIN
−0.05V to +6.8V
−0.05V to +4.6V
−0.05V to +3.6V
−0.05V to +6.0V
−0.05V to +15V
+2.8V to +3.8V
(Note 5))
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LSB (max)
sec (max)
sec (max)
mA (max)
T
T
˚C (max)
% (max)
% (max)
% (max)
k
(Limits)
˚C (min)
˚C (min)
% (min)
% (min)
% (min)
A
A
Units
T
T
+
%/V
bits
sec
µA
A
A
(min)
+ 0.05V)
95˚C/W
215˚C
235˚C
+125˚C
+125˚C
T
T
MAX
MAX