Temperature Sensor and System Monitor
in a 10-Pin 礛AX
_______________________________________________________________________________________ 3
Note 1: Total monitoring time includes temperature conversion and four analog input voltage conversions.
Note 2: A master device must provide at least a 300ns hold time for the SDA signal, referred to V
IL
of the SCL signal, to bridge the
undefined region of SCLs falling edge.
Note 3: C
B
= total capacitance of one bus line in pF. Rise and fall times are measured between 0.3 x V
CC
to 0.7 x V
CC
.
Note 4: Input filters on SDA, SCL, and ADD suppress noise spikes <50ns.
Note 5: Guaranteed but not tested over the entire temperature range.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
START Condition Hold Time
t
HD:STA
0.6
祍
STOP Condition Hold Time
t
SU:STO
0.6
祍
Clock Low Period
t
LOW
1.3
祍
Clock High Period
t
HIGH
0.6
祍
Data Setup Time
t
SP:DAT
100
ns
Data Hold Time
t
HD:DAT
(Note 2)
0
0.9
祍
Receive SCL/SDA Minimum
Rise Time
t
R
(Note 3)
20 +
0.1C
B
ns
Receive SCL/SDA Maximum
Rise Time
t
R
(Note 3)
300
ns
Receive SCL/SDA Minimum
Fall Time
t
F
(Note 3)
20 +
0.1C
B
ns
Receive SCL/SDA Maximum
Fall Time
t
F
(Note 3)
300
ns
Transmit SDA Fall Time
t
F
400pF, I
SINK
= 3mA
20 +
0.1C
B
300
ns
Pulse Width of Spike
Suppressed
t
SP
(Note 4)
50
ns
ELECTRICAL CHARACTERISTICS (continued)
(T
A
= -40癈 to +125癈, unless otherwise noted. Typical values are at V
CC
= +5V, T
A
= +25癈.)
Typical Operating Characteristics
(V
CC
= +5V, ADD = GND, ALERT = 10k& to V
CC
, T
A
= +25癈, unless otherwise noted.)
0
100
50
200
150
250
300
2.5
3.5 4.0
3.0
4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
A
B
C
D
E
A: T
A
= +125癈
B: T
A
= +85癈
C: T
A
= +25癈
D: T
A
= 0癈
E: T
A
= -40癈
250
225
200
175
150
1
1000
SUPPLY CURRENT
vs. SCL CLOCK FREQUENCY
CLOCK FREQUENCY (kHz)
V
CC
= +5V
SCL = 0 to +5V
-5
-2
-3
-4
-1
0
1
2
3
4
5
2.5
3.5
3.0
4.0 4.5 5.0 5.5
TEMPERATURE ERROR
vs. SUPPLY VOLTAGEo
SUPPLY VOLTAGE (V)
T
A
= +85癈
T
A
= 0癈
T
A
= -40癈
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