LM79 NSC [National Semiconductor], LM79 Datasheet - Page 5

• Manufacturer Part Number: LM79
• Description: Microprocessor System Hardware Monitor
• Manufacturer: NSC [National Semiconductor]

Symbol
POWER SUPPLY CHARACTERISTICS
I
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
ANALOG-TO-DIGITAL CONVERTER CHARACTERISTICS
TUE
DNL
PSS
t
OP AMP CHARACTERISTICS
MULTIPLEXER/ADC INPUT CHARACTERISTICS
FAN RPM-TO-DIGITAL CONVERTER
CC
C
The following specifications apply for +4.25 V
fied. Boldface limits apply for T
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
Ground Difference (GNDD–GNDA)
Input Current at any Pin (Note 3)
Package Input Current (Note 3)
Maximum Junction Temperature
ESD Susceptibility(Note 5)
Soldering Information
DC Electrical Characteristics
(T
Human Body Model
Machine Model
PQFP Package (Note 6) :
J
max)
Supply Current
Accuracy
Resolution
Resolution (8 bits with full-scale at 4.096V)
Total Unadjusted Error
Differential Non-Linearity
Power Supply Sensitivity
Total Monitoring Cycle Time
Output Current (Sourcing)
Input Offset Voltage
Input Bias Current
PSRR
DC Open Loop Gain
Gain Bandwidth Product
On Resistance
Off Channel Leakage Current
Input Current (On Channel Leakage Current)
Accuracy
Full-scale Count
Parameter
CC
)
A
= T
J
−0.3V to (V
= T
MIN
DC
(Notes 1, 2)
to T
V
±
CC
CC
MAX
±
300 mV
±
+0.3V)
20 mA
2000V
150˚C
5 mA
175V
6.5V
; all other limits T
+5.75 V
Shutdown Mode
−10˚C
Interface Inactive
(Note 10)
(Note 11)
I
+25˚C
−10˚C
OUT
= 50 µA
5
DC
T
T
T
Conditions
, f
Storage Temperature
Operating Ratings
Operating Temperature Range
LM79
Specified Temperature Range
LM79
Supply Voltage (V
Ground Difference
V
A
A
A
Junction to Ambient Thermal Resistance (
IN
SYSCLK
NS Package ID: VGZ44A
(IGNDD–GNDAI)
+100˚C
+75˚C
+100˚C
Voltage Range
Vapor Phase (60 seconds)
Infrared (15 seconds)
A
= T
= 8.33 MHz, R
J
= 25˚C. (Note 7)
CC
)
S
(Note 8)
Typical
= 25 , unless otherwise speci-
±
±
±
500
400
1.0
1.0
10
16
±
50
±
60
70
0.1
0.1
0.1
1
1
(Notes 1, 2)
(Note 9)
−0.05V to V
Limits
2000
±
±
255
−55˚C
−10˚C
1.5
±
±
±
2
1
10
15
3
1
1
−65˚C to +150˚C
T
T
+4.25V to +5.75V
JA
MIN
MIN
(Note 4) )
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T
T
A
A
LSB (max)
CC
mA (max)
sec (max)
T
T
˚C (max)
% (max)
% (max)
% (max)
(Limits)
˚C (min)
A
A
Units
(max)
%/V
100 mV
+ 0.05V
kHz
215˚C
220˚C
mV
mV
62˚C/W
(max)
+125˚C
+100˚C
µA
µA
nA
dB
dB
nA
nA
T
T
MAX
MAX