Datasheet

LM82
www.ti.com SNIS113D –JANUARY 2000–REVISED MARCH 2013
Temperature-to-Digital Converter Characteristics (continued)
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.
Typical
(1)
Limits
(2)
Units
Parameter Conditions
(Limit)
Conversion Time of All Temperatures
(4)
460 600 ms (max)
Quiescent Current
(5)
SMBus (I
2
C) Inactive 0.500 0.80 mA (max)
D− Source Voltage 0.7 V
Diode Source Current (D+ − D−)=+ 0.65V; high level 125 μA (max)
60 μA (min)
Low level 15 μA (max)
5 μA (min)
T_CRIT_A and INT Output Saturation I
OUT
= 3.0 mA 0.4
V (max)
Voltage
Power-On Reset Threshold On V
CC
input, falling edge 2.3 V (max)
1.8 V (min)
Local and Remote T_CRIT and HIGH See
(6)
+127 °C
Default Temperature settings
(4) This specification is provided only to indicate how often temperature data is updated. The LM82 can be read at any time without regard
to conversion state (and will yield last conversion result).
(5) Quiescent current will not increase substantially with an active SMBus.
(6) Default values set at power up.
Logic Electrical Characteristics-
DIGITAL DC CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
CC
=+3.0 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.
Typical
(1)
Limits
(2)
Units
Symbol Parameter Conditions
(Limit)
SMBData, SMBCLK
V
IN(1)
Logical “1” Input Voltage 2.1 V (min)
V
IN(0)
Logical “0”Input Voltage 0.8 V (max)
V
IN(HYST)
SMBData and SMBCLK Digital Input 300 mV
Hysteresis
I
IN(1)
Logical “1” Input Current V
IN
= V
CC
0.005 1.5 μA (max)
I
IN(0)
Logical “0” Input Current V
IN
= 0 V −0.005 1.5 μA (max)
ADD0, ADD1
V
IN(1)
Logical “1” Input Voltage V
CC
1.5 V (min)
V
IN(0)
Logical “0”Input Voltage GND 0.6 V (max)
I
IN(1)
Logical “1” Input Current V
IN
= V
CC
2 μA (max)
I
IN(0)
Logical “0” Input Current V
IN
= 0 V -2 μA (max)
ALL DIGITAL INPUTS
C
IN
Input Capacitance 20 pF
ALL DIGITAL OUTPUTS
I
OH
High Level Output Current V
OH
= V
CC
100 μA (max)
V
OL
SMBus Low Level Output Voltage I
OL
= 3 mA 0.4 V (max)
I
OL
= 6 mA 0.6
(1) Typicals are at T
A
= 25°C and represent most likely parametric norm.
(2) Limits are ensured to AOQL (Average Outgoing Quality Level).
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