Rainbow Electronics LM20 - Manual (Page 3)

Absolute Maximum Ratings
(Note 1)
Supply Voltage +6.5V to −0.2V
Output Voltage (V + + 0.6 V) to
−0.6 V
Output Current 10 mA
Input Current at any pin (Note 2) 5 mA
Storage Temperature −65˚C to
+150˚C
Maximum Junction Temperature
(T
JMAX
) +150˚C
ESD Susceptibility (Note 3) :
Human Body Model 2500 V
Machine Model 250 V
Soldering process must comply with National’s
Reflow Temperature Profile specifications. Refer to
www.national.com/packaging. (Note 4)
Operating Ratings
(Note 1)
Specified Temperature Range: T
MIN
≤ T
A
≤ T
MAX
LM20B, LM20C with
2.4 V ≤ V + ≤ 2.7 V −30˚C ≤ T
A
≤ +130˚C
LM20B, LM20C with
2.7 V ≤ V + ≤ 5.5 V −55˚C ≤ T
A
≤ +130˚C
LM20S with
2.4 V ≤ V + ≤ 5.5 V −30˚C ≤ T
A
≤ +125˚C
LM20S with
2.7 V ≤ V + ≤ 5.5 V −40˚C ≤ T
A
≤ +125˚C
Supply Voltage Range (V + ) +2.4 V to +5.5 V
Thermal Resistance, θ
JA
(Note 5)
SC-70
micro SMD
415˚C/W
340˚C/W
Electrical Characteristics
Unless otherwise noted, these specifications apply for V + = +2.7 V
DC
. 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
(Note 6)
LM20B LM20C LM20S Units
(Limit) Limits Limits Limits
(Note 7) (Note 7) (Note 7)
Temperature to Voltage Error
V
O
= (−3.88x10 −6 xT 2 )
+ (−1.15x10 −2 xT) + 1.8639V
(Note 8)
T
A
= +25˚C to +30˚C ± 1.5 ± 4.0 ± 2.5 ˚C (max)
T
A
= +130˚C ± 2.5 ± 5.0 ˚C (max)
T
A
= +125˚C ± 2.5 ± 5.0 ± 3.5 ˚C (max)
T
A
= +100˚C ± 2.2 ± 4.7 ± 3.2 ˚C (max)
T
A
= +85˚C ± 2.1 ± 4.6 ± 3.1 ˚C (max)
T
A
= +80˚C ± 2.0 ± 4.5 ± 3.0 ˚C (max)
T
A
= 0˚C ± 1.9 ± 4.4 ± 2.9 ˚C (max)
T
A
= −30˚C ± 2.2 ± 4.7 ± 3.3 ˚C (min)
T
A
= −40˚C ± 2.3 ± 4.8 ± 3.5 ˚C (max)
T
A
= −55˚C ± 2.5 ± 5.0 ˚C (max)
Output Voltage at 0˚C +1.8639 V
Variance from Curve ± 1.0 ˚C
Non-Linearity (Note 9) −20˚C ≤ T
A
≤ +80˚C ± 0.4 %
Sensor Gain (Temperature
Sensitivity or Average Slope)
to equation:
V
O
=−11.77 mV/˚CxT+1.860V
−30˚C ≤ T
A
≤ +100˚C −11.77 −11.4
−12.2
−11.0
−12.6
−11.0
−12.6
mV/˚C (min)
mV/˚C (max)
Output Impedance 0 µA ≤ I
L
≤ +16 µA
(Notes 11, 12)
160 160 160 Ω (max)
Load Regulation(Note 10) 0 µA ≤ I
L
≤ +16 µA
(Notes 11, 12)
−2.5 −2.5 −2.5 mV (max)
Line Regulation +2. 4 V ≤ V + ≤ +5.0V +3.3 +3.7 +3.7 mV/V (max)
+5.0 V ≤ V + ≤ +5.5 V +11 +11 +11 mV (max)
Quiescent Current +2. 4V ≤ V + ≤ +5.0V 4.5 7 7 7 µA (max)
+5.0V ≤ V + ≤ +5.5V 4.5 9 9 9 µA (max)
+2. 4V ≤ V + ≤ +5.0V 4.5 10 10 10 µA (max)
Change of Quiescent Current +2. 4 V ≤ V + ≤ +5.5V +0.7 µA
Temperature Coefficient of −11 nA/˚C
Quiescent Current
Shutdown Current V + ≤ +0.8 V 0.02 µA
LM20
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