Rainbow Electronics LM27 - Manual (Page 3)

Absolute Maximum Ratings
(Note 1)
Input Voltage 6.0V
Input Current at any pin (Note 2) 5mA
Package Input Current(Note 2) 20mA
Package Dissipation at T
A
= 25˚C
(Note 3) 500mW
Soldering Information
SOT23 Package
Vapor Phase (60 seconds)
Infrared (15 seconds)
215˚C
220˚C
Storage Temperature −65˚C to + 150˚C
ESD Susceptibility (Note 4)
Human Body Model
Machine Model
2500V
250V
Operating Ratings
(Note 1)
Specified Temperature Range T
MIN
≤ T
A
≤ T
MAX
LM27CIM −40˚C ≤ T
A
≤ +150˚C
Positive Supply Voltage (V + ) +2.7V to +5.5V
Maximum V
OUT
+5.5V
LM27 Electrical Characteristics
The following specifications apply for V + = 2.7V
DC
to 5.5V
DC
, and V
TEMP
load current = 0µA unless otherwise specified. Bold-
face limits apply for T
A
= T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
= 25˚C unless otherwise specified.
Typical LM27CIM Units
Symbol Parameter Conditions (Note 6) Limits (Limits)
(Note 7)
Temperature Sensor
Trip Point Accuracy (Includes
V
REF
, DAC, Comparator Offset,
and Temperature Sensitivity
errors)
+120˚C < T
A
< +150˚C ± 3 ˚C (max)
Trip Point Hysteresis HYST = GND 10 ˚C
HYST = V + 2 ˚C
V
TEMP
Output Temperature
Sensitivity
−10.82 mV/˚C
V
TEMP
Temperature Sensitivity
Error to Equation:
V
O
= (−3.552x10 −6 x(T−30) 2 +
(−10.695x10 −3 x(T−30))+
1.8386V
−30˚C ≤ T
A
≤ 150˚C,
2.7V ≤ V + ≤ 5.5V
± 3 ˚C (max)
−55˚C ≤ T
A
≤ 150˚C,
4.5V ≤ V + ≤ 5.5V
± 3 ˚C (max)
T
A
= 25˚C ± 2.5 ˚C (max)
V
TEMP
Load Regulation −1µA ≤ I
L
≤ 0 0.070 mV
0 ≤ I
L
≤ +40µA 0.7 mV (max)
V
TEMP
Line Regulation +2.7V ≤ V + ≤ +5.5V,
−30˚C ≤ T
A
≤ +120˚C
−0.2 mV/V
I
S
Supply Current 15 22
40
µA (max)
µA (max)
Digital Output and Input
I
OUT(“1”)
Logical “1” Output Leakage
Current (Note 9)
V + = +5.0V 0.001 1 µA (max)
V
OUT(“0”)
Logical “0” Output Voltage I
OUT
= +1.2mA and
V + ≥2.7V;
I
OUT
= +3.2mA and
V + ≥4.5V; (Note 8)
0.4 V (max)
V
OUT(“1”)
Logical “1” Push-Pull Output
Voltage
I
SOURCE
= 500µA, V +
≥ 2.7V
0.8 x V + V (min)
I
SOURCE
= 800µA,
V + ≥4.5V
V + − 1.5 V (min)
V
IH
HYST Input Logical ”1“ Threshold
Voltage
0.8 x V + V (min)
V
IL
HYST Input Logical ”0“ Threshold
Voltage
0.2 x V + V (max)
LM27
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