Datasheet

LTC2452
3
2452fd
For more information www.linear.com/LTC2452
analog inpuTs anD reFerences
The l denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage
l
2.7 5.5 V
I
CC
Supply Current
Conversion
Sleep
CS = GND (Note 6)
CS = V
CC
(Note 6)
l
l
800
0.2
1200
0.6
µA
µA
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
+
Positive Input Voltage Range
l
0 V
REF
V
V
IN
–
Negative Input Voltage Range
l
0 V
REF
V
V
REF
Reference Voltage Range
l
2.5 V
CC
V
V
OR
+
+ V
UR
+
Overrange + Underrange Voltage, IN
+
V
REF
= 5V, V
IN
–
= 2.5V (See Figure 3) 31 LSB
V
OR
–
+ V
UR
–
Overrange + Underrange Voltage, IN– V
REF
= 5V, V
IN
+
= 2.5V (See Figure 3) 31 LSB
C
IN
IN
+
, IN
–
Sampling Capacitance 0.35 pF
I
DC_LEAK(IN
+
)
IN
+
DC Leakage Current V
IN
= GND (Note 10)
V
IN
= V
CC
(Note 10)
l
l
–10
–10
1
1
10
10
nA
nA
I
DC_LEAK(IN
–
)
IN
–
DC Leakage Current V
IN
= GND (Note 10)
V
IN
= V
CC
(Note 10)
l
l
–10
–10
1
1
10
10
nA
nA
I
DC_LEAK(REF)
REF DC Leakage Current V
REF
= 3V (Note 10)
l
–10 1 10 nA
I
CONV
Input Sampling Current (Note 5) 50 nA
The l denotes the specifications which apply over the full
operating temperature range,otherwise specifications are at T
A
= 25°C. (Note 2)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage
l
V
CC
– 0.3 V
V
IL
Low Level Input Voltage
l
0.3 V
I
IN
Digital Input Current
l
–10 10 µA
C
IN
Digital Input Capacitance 10 pF
V
OH
High Level Output Voltage I
O
= –800µA
l
V
CC
– 0.5 V
V
OL
Low Level Output Voltage I
O
= 1.6mA
l
0.4 V
I
OZ
Hi-Z Output Leakage Current
l
–10 10 µA
DigiTal inpuTs anD DigiTal ouTpuTs
power requireMenTs