Datasheet

LM95231
www.ti.com SNIS139E –FEBRUARY 2005–REVISED MARCH 2013
Temperature-to-Digital Converter Characteristics (continued)
Unless otherwise noted, these specifications apply for V
DD
=+3.0Vdc to 3.6Vdc. Boldface limits apply for T
A
= T
J
=
T
MIN
≤T
A
≤T
MAX
; all other limits T
A
= T
J
=+25°C, unless otherwise noted. T
J
is the junction temperature of the LM95231. T
D
is the
junction temperature of the remote thermal diode.
PARAMETER TEST CONDITIONS Typical
(
LM9523 LM9523 UNIT
1)
1 1
BIMM CIMM
Limits
(2)
Limits
(2)
Diode Source Current Ratio 16
Diode Source Current (V
D+
− V
D−
) = + 0.65V; 176 300 300 µA (max)
high-level
100 100 µA (min)
Low-level 11 µA
Power-On Reset Threshold Measure on V
DD
input, falling edge 2.7 2.7 V (max)
1.8 1.8 V (min)
Logic Electrical Characteristics
Digital DC Characteristics
Unless otherwise noted, these specifications apply for V
DD
=+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.
Symbol Parameter Conditions Typical
(1)
Limits
(2)
Units
(Limit)
SMBDAT, SMBCLK INPUTS
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)
SMBDAT and SMBCLK Digital Input 400 mV
Hysteresis
I
IN(1)
Logical “1” Input Current V
IN
= V
DD
0.005 ±10 µA (max)
I
IN(0)
Logical “0” Input Current V
IN
= 0 V −0.005 ±10 µA (max)
C
IN
Input Capacitance 5 pF
SMBDAT OUTPUT
I
OH
High Level Output Current V
OH
= V
DD
10 µA (max)
V
OL
SMBus Low Level Output Voltage I
OL
= 4mA 0.4 V (max)
I
OL
= 6mA 0.6
(1) Typicals are at T
A
= 25°C and represent most likely parametric norm at time of product characterization. The typical specifications are
not ensured.
(2) Limits are specified to AOQL (Average Outgoing Quality Level).
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