Datasheet
LM95233
SNIS145E –AUGUST 2006–REVISED MARCH 2013
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Temperature-to-Digital Converter Electrical 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.
Units
Parameter Conditions Typical
(1)
Limits
(2)
(Limit)
Quiescent Current
(6)
SMBus Inactive, 1Hz Conversion Rate, 570 800 µA (max)
channels in default state
Shutdown 360 µA
D− Source Voltage 0.4 V
Remote Diode Source Current High level 160 230 µA (max)
Low level 10
Power-On Reset Threshold Measured on V
DD
input, falling edge 2.8 V (max)
1.6 V (min)
TCRIT1 Pin Temperature Threshold Default Diodes only +110 °C
TCRIT2 Pin Temperature Threshold Default all channels +85 °C
(6) Quiescent current will not increase substantially with an SMBus communication.
Logic Electrical Characteristics
DIGITAL DC CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
DD
= +3.0Vdc to 3.6Vdc. 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.
Units
Symbol Parameter Conditions Typical
(1)
Limits
(2)
(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 Hysteresis 400 mV
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
= 0V −0.005 -10 µA (max)
C
IN
Input Capacitance 5 pF
A0 DIGITAL INPUT
V
IH
Input High Voltage 0.90 × V
DD
V (min)
V
IM
Input Middle Voltage 0.57 × V
DD
V (max)
0.43 × V
DD
V (min)
V
IL
Input Low Voltage 0.10 × V
DD
V (max)
I
IN(1)
Logical "1" Input Current V
IN
= V
DD
−0.005 −10 µA (min)
I
IN(0)
Logical "0" Input Current V
IN
= 0V 0.005 10 µA (max)
C
IN
Input Capacitance 5 pF
SMBDAT, TCRIT1, TCRIT2, TCRIT3 DIGITAL OUTPUTS
I
OH
High Level Output Current V
OH
= V
DD
10 µA (max)
V
OL(SMBDAT)
SMBus Low Level Output Voltage I
OL
= 4 mA 0.4 V (max)
I
OL
= 6 mA 0.6 V (max)
V
OL(TCRIT)
TCRIT1, TCRIT2, TCRIT3 Low Level Output I
OL
= 6 mA 0.4 V (max)
Voltage
C
OUT
Digital Output Capacitance 5 pF
(1) Typicals are at T
A
= 25°C and represent most likely parametric norm.
(2) Limits are specified to AOQL (Average Outgoing Quality Level).
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