Rainbow Electronics LM77 - Manual (Page 4)

Absolute Maximum Ratings
(Note 1)
Supply Voltage −0.3V to 6.5V
Voltage at any Pin −0.3V to (+V
S
+ 0.3V )
Input Current at any Pin 5 mA
Package Input Current (Note 2) 20 mA
T_CRIT_A and INT Output Sink
Current
10 mA
T_CRIT_A and INT Output
Voltage
6.5V
Storage Temperature −65˚C to +125˚C
Soldering Information, Lead
Temperature
SOP and MSOP Package (Note 3)
Vapor Phase (60 seconds) 215˚C
Infrared (15 seconds) 220˚C
ESD Susceptibility (Note 4)
Human Body Model 2500V
Machine Model 250V
Operating Ratings
(Notes 1, 5)
Specified Temperature Range T
MIN
to T
MAX
(Note 6) −55˚C to +125˚C
Supply Voltage Range (+V
S
)(Note 7) +3.0V to +5.5V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for +V
S
=+5 Vdc ± 10% for LM77CIM-5, LM77CIMM-5 and +V
S
=+3.3 Vdc
± 10% for LM77CIM-3, LM77CIMM-3 (Note 7). 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 8)
Limits
(Note 9)
Units
(Limit)
Accuracy T
A
= −10˚C to +65˚C ± 1.5
˚C (max) T
A
= −25˚C to +100˚C ± 2.0
T
A
= −55˚C to +125˚C ± 3.0
Resolution (Note 10) 10
0.5
Bits
˚C
Temperature Conversion Time (Note 11) 70 125 ms
Quiescent Current I 2 C Inactive 0.25 mA
I 2 C Active 0.25 0.5 mA (max)
Shutdown Mode 5 10 µA
T
HYST
Default Temperature (Notes 13, 14) 2 ˚C
T
LOW
Default Temperature (Note 14) 10 ˚C
T
HIGH
Default Temperature (Note 14) 64 ˚C
T
C
Default Temperature (Note 14) 80 ˚C
Logic Electrical Characteristics
DIGITAL DC CHARACTERISTICS Unless otherwise noted, these specifications apply for +V
S
=+5 Vdc ± 10% for LM77CIM-5,
LM77CIMM-5 and +V
S
=+3.3 Vdc ± 10% for LM77CIM-3, LM77CIMM-3. 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.
Symbol Parameter Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limit)
V
IN(1)
SDA and SCL Logical “1” Input
Voltage +V
S
x 0.7 V (min)
+V
S
+0.3 V (max)
V
IN(0)
SDA and SCL Logical “0” Input
Voltage −0.3 V (min)
+V
S
x 0.3 V (max)
V
IN(1)
A0 and A1 Logical “1” Input
Voltage 2.0 V (min)
+V
S
+0.3 V (max)
V
IN(0)
A0 and A1 Logical “0” Input
Voltage −0.3 V (min)
0.8 V (max)
I
IN(1)
Logical “1” Input Current V
IN
= + V
S
0.005 1.0 µA (max)
I
IN(0)
Logical “0” Input Current V
IN
= 0V −0.005 −1.0 µA (max)
C
IN
Capacitance of All Digital Inputs 20 pF
LM77
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