LM91
Absolute Maximum Ratings
Supply Voltage
Voltage at Any Pin:
NC (Pins 1,5,9), ADD0, ADD1, D
+
All other pins (except D−)
D− Input Current
Input Current at All Other Pins (Note
Package Input Current (Note 2)
SMBData, T_CRIT_A Output Sink
Current
Output Voltage
Storage Temperature
Soldering Information, Lead Temperature
QSOP Package (Note 3)
Vapor Phase (60 seconds)
215˚C
220˚C
2500V
250V
Infrared (15 seconds)
ESD Susceptibility (Note 4)
Human Body Model
Machine Model
−0.3V to 6.0V
−0.3V to
(V
CC
+ 0.3V)
−0.3V to 6.0V
±
1 mA
5 mA
20 mA
10 mA
6.0V
−65˚C to +150˚C
Operating Ratings
Specified Temperature Range
LM91D
Supply Voltage Range (V
CC
)
T
MIN
to T
MAX
0˚C to +125˚C
+3.0V to +3.6V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
CC
=+3.0 Vdc to +3.6 Vdc.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
=+25˚C, unless otherwise noted.
Parameter
Conditions
Typical
Local Temperature Error (Note 8)
Remote Temperature Error using Pentium Diode
+60˚C
≤T
A
≤
+100˚C,
V
CC
= 3.3 Vdc
0˚C
≤
T
A
≤
+125˚C,
V
CC
= 3.3 Vdc
Remote Temperature Error using Diode
Connected 2N3904 (Note 8) and (Note 9)
+60˚C
≤T
A
≤
+100˚C,
V
CC
= 3.3 Vdc
0˚C
≤
T
A
≤
+125˚C,
V
CC
= 3.3 Vdc
Resolution
Temperature Conversion Time
Quiescent Current (Note 10)
D− Source Voltage
Diode Source Current
(D+ − D−)=+ 0.65V; high
level
Low level
T_CRIT_A Output Saturation Voltage
Power-On Reset Threshold
I
OUT
= 3.0 mA
On V
CC
input, falling edge
SMBus (I C Inactive)
2
LM91D
Limits
Units
(Limit)
˚C
±
1
±
4
±
6
+2, −6
+4, −8
8
1
120
0.500
0.7
160
50
16
5
0.4
2.2
1.2
145
1
˚C (max)
˚C (max)
˚C (max)
˚C (max)
Bits
˚C
ms
mA (max)
V
µA (max)
µA (min)
µA (max)
µA (min)
V (max)
V (max)
V (min)
www.national.com
4
OKI [ OKI ELECTRONIC COMPONETS ]
