LM87CIMT/NOPB National Semiconductor, LM87CIMT/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM87CIMT/NOPB
• Description: IC INTERFACE SER MONITOR 24TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM87CIMT/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: I²C™/SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.8 V ~ 3.8 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM87CIMT; *LM87CIMT/NOPB; LM87CIMT

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POWER SUPPLY CHARACTERISTICS
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
LM87 ANALOG-TO-DIGITAL CONVERTER CHARACTERISTICS
ADC INPUT CHARACTERISTICS
DAC CHARACTERISTICS
Symbol
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
DC Electrical Characteristics
The following specifications apply for +2.8 V
Boldface limits apply for T
TUE
DNL
Positive Supply Voltage (V
Voltage on Any Input or Output Pin:
NTEST_IN, AIN1, AIN2
Input Current at any Pin
Package Input Current
Maximum Junction Temperature
ESD Susceptibility
Storage Temperature
I
t
+
C
+12Vin
ADD/NTESTOUT, DACOut/
All other pins
Human Body Model
Machine Model
(T
J
Supply Current
Temperature Error using Internal Diode
Temperature Error using Remote Pentium Diode
Sensor
Temperature Error using Remote 2N3904
Sensor
Resolution
Resolution
Total Unadjusted Error
Differential Non-Linearity
Total Monitoring Cycle Time
Input Resistance (All analog inputs except AIN1
and AIN2)
AIN1 and AIN2 DC Input Current
Resolution
max)
(Note
(Note
(Note
11) and
11) and
(Note
(Note
6)
Parameter
+
A
)
4)
= T
(Note
(Note
4)
J
= T
12)
12)
MIN
−65 °C to +150 °C
to T
−0.3 V to +16 V
DC
8 bits
−0.3 V to +6 V
MAX
(Note
≤
(V
V
; all other limits T
−0.3 V to
+
+
+ 0.3 V)
±20 mA
2500 V
≤
150 °C
+6.0 V
±5 mA
1,
150V
+3.8 V
Note
Normal Mode, Interface
Inactive
Shutdown Mode
0 °C
3.3 Vdc
−40 °C
= 3.3 Vdc
(Note
(Note
DC
≤
, Analog voltage inputs R
4
13)
14)
T
≤
Conditions
A
A
T
≤
Operating Ratings
Operating Temperature Range
LM87
Specified Temperature Range
LM87
Junction to Ambient Thermal Resistance (θ
Supply Voltage (V
V
SMBCLK, SMBDATA
A
For soldering specifications:
www.national.com/ms/MS/MS-SOLDERING.pdf
= T
IN
+125 °C, Vcc =
NS Package Number: MTC24B
+12Vin
+5Vin
+3.3Vin
+2.5Vin
VID0 - VID4, Vccp, FAN1, FAN2,
All other inputs
≤
See product folder at www.national.com and
Voltage Range:
J
+125 °C, Vcc
= 25
°C.(Note
+
)
8)
S
(Note
Typical
= 510 Ω, unless otherwise specified.
0.28
130
0.7
0.5
±3
8
8
9)
(Note
(Note
Limits
2.0
1.0
±3
±4
±2
±1
90
12
−40 °C
−40 °C
−0.05 V to (V
1,
10)
Note
T
T
−0.05 V to +6.0 V
−0.05 V to +4.6 V
−0.05 V to +3.6 V
−0.05 V to +6.0 V
JA
−0.05 V to +15 V
+2.8 V to +3.8 V
MIN
MIN
≤
≤
(Note
2)
T
T
≤
≤
A
A
LSB (max)
mA (max)
°C (max)
°C (max)
kΩ (min)
°C (min)
% (max)
≤
≤
(Limits)
T
T
+
+ 0.05 V)
Units
5))
A
A
95 °C/W
+125 °C
+125 °C
Bits
mA
bits
sec
μA
°C
≤
≤
T
T
MAX
MAX