Datasheet
LTC2488
4
2488fa
DIGITAL INPUTS AND DIGITAL OUTPUTS
The ● denotes the specifi cations which apply over the
full operating temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 3)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage (
⎯
C
⎯
S, F
O
, SDI) 2.7V ≤ V
CC
≤ 5.5V (Note 18)
●
V
CC
– 0.5 V
V
IL
Low Level Input Voltage (
⎯
C
⎯
S, F
O
, SDI) 2.7V ≤ V
CC
≤ 5.5V
●
0.5 V
V
IH
High Level Input Voltage (SCK) 2.7V ≤ V
CC
≤ 5.5V (Notes 10, 15)
●
V
CC
– 0.5 V
V
IL
Low Level Input Voltage (SCK) 2.7V ≤ V
CC
≤ 5.5V (Notes 10, 15)
●
0.5 V
I
IN
Digital Input Current (
⎯
C
⎯
S, F
O
, SDI) 0V ≤ V
IN
≤ V
CC
●
–10 10 μA
I
IN
Digital Input Current (SCK) 0V ≤ V
IN
≤ V
CC
(Notes 10, 15)
●
–10 10 μA
C
IN
Digital Input Capacitance (
⎯
C
⎯
S, F
O
, SDI) 10 pF
C
IN
Digital Input Capacitance (SCK) (Notes 10, 15) 10 pF
V
OH
High Level Output Voltage (SDO) I
O
= –800μA
●
V
CC
– 0.5 V
V
OL
Low Level Output Voltage (SDO) I
O
= 1.6mA
●
0.4 V
V
OH
High Level Output Voltage (SCK) I
O
= –800μA (Notes 10, 17)
●
V
CC
– 0.5 V
V
OL
Low Level Output Voltage (SCK) I
O
= 1.6mA (Notes 10, 17)
●
0.4 V
I
OZ
Hi-Z Output Leakage (SDO)
●
–10 10 μA
POWER REQUIREMENTS
The ● denotes the specifi cations which apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C. (Note 3)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage
●
2.7 5.5 V
I
CC
Supply Current Conversion Current (Note 12)
Sleep Mode (Note 12)
●
●
160
1
275
2
μA
μA