Linear Technology DC1384A-A - LTC2452: 16-bit, SPI Differential Ultra-Tiny Delta Sigma ADC (req DC590) DC1384A-A DC1384A-A Data Sheet
Product codes
DC1384A-A
LTC2452
3
2452fd
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