Datasheet

LTC1863/LTC1867
4
18637fb
For more information www.linear.com/LTC1863
Digital inputs anD Digital outputs
The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
power requirements
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 5)
SYMBOL PARAMETER CONDITIONS
LTC1863/LTC1867/LTC1867A
UNITSMIN TYP MAX
V
DD
Supply Voltage (Note 9) 4.75 5.25 V
I
DD
Supply Current f
SAMPLE
= 200ksps
NAP Mode
SLEEP Mode
l
l
1.3
150
0.2
1.8
3
mA
µA
µA
P
DISS
Power Dissipation
l
6.5 9 mW
SYMBOL PARAMETER CONDITIONS
LTC1863/LTC1867/LTC1867A
UNITSMIN TYP MAX
V
IH
High Level Input Voltage V
DD
= 5.25V
l
2.4 V
V
IL
Low Level Input Voltage V
DD
= 4.75V
l
0.8 V
I
IN
Digital Input Current V
IN
= 0V to V
DD
l
±10 µA
C
IN
Digital Input Capacitance 2 pF
V
OH
High Level Output Voltage (SDO) V
DD
= 4.75V, I
O
= –10µA
V
DD
= 4.75V, I
O
= –200µA
l
4
4.75
4.74
V
V
V
OL
Low Level Output Voltage (SDO) V
DD
= 4.75V, I
O
= 160µA
V
DD
= 4.75V, I
O
= 1.6mA
l
0.05
0.1
0.4
V
V
I
SOURCE
Output Source Current SDO = 0V –32 mA
I
SINK
Output Sink Current SDO = V
DD
19 mA
Hi-Z Output Leakage
Hi-Z Output Capacitance
CS
/CONV = High, SDO = 0V or V
DD
CS/CONV = High (Note 10)
l
l
±10
15
µA
pF
Data Format Unipolar
Bipolar
Straight Binar
y
Tw o ’s Complement