Datasheet

LTC2453
3
2453fc
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C.
The l denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C.
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Notes 2, 7)
ANALOG INPUTS AND REFERENCES
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage
l
2.7 5.5 V
I
CC
Supply Current
Conversion
Sleep
l
l
800
0.2
1200
0.6
µA
µA
POWER REQUIREMENTS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage
l
0.7V
CC
V
V
IL
Low Level Input Voltage
l
0.3V
CC
V
I
I
Digital Input Current
l
–10 10 µA
V
HYS
Hysteresis of Schmidt Trigger Inputs (Note 3)
l
0.05V
CC
V
V
OL
Low Level Output Voltage (SDA) I = 3mA
l
0.4 V
I
IN
Input Leakage 0.1V
CC
≤ V
IN
≤ 0.9V
CC
l
1 µA
C
I
Capacitance for Each I/O Pin
l
10 pF
C
B
Capacitance Load for Each Bus Line
l
400 pF
I
2
C INPUTS AND OUTPUTS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
+
Positive Input Voltage Range
l
0 V
CC
V
V
IN
–
Negative Input Voltage Range
l
0 V
CC
V
V
REF
+
Positive Reference Voltage Range V
REF
+
– V
REF
–
≥ 2.5V
l
V
CC
– 2.5 V
CC
V
V
REF
–
Negative Reference Voltage Range V
REF
+
– V
REF
–
≥ 2.5V
l
0 V
CC
– 2.5 V
V
OR
+
+ V
UR
+
Overrange + Underrange Voltage, IN
+
V
REF
= 5V, V
IN
–
= 2.5V (See Figure 2) 31 LSB
V
OR
–
+ V
UR
–
Overrange + Underrange Voltage, IN– V
REF
= 5V, V
IN
+
= 2.5V (See Figure 2) 31 LSB
C
IN
IN
+
, IN
–
Sampling Capacitance 0.35 pF
I
DC_LEAK(IN
+
)
IN
+
DC Leakage Current V
IN
= GND (Note 8)
V
IN
= V
CC
(Note 8)
l
l
–10
–10
1
1
10
10
nA
nA
I
DC_LEAK(IN
–
)
IN
–
DC Leakage Current V
IN
= GND (Note 8)
V
IN
= V
CC
(Note 8)
l
l
–10
–10
1
1
10
10
nA
nA
I
DC_LEAK(REF
+
, REF
–
)
REF
+
, REF
–
DC Leakage Current V
REF
= 3V (Note 8)
l
–10 1 10 nA
I
CONV
Input Sampling Current (Note 5) 50 nA