
LTC2488
4
2488fa
DIGITAL INPUTS AND DIGITAL OUTPUTS The ● denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage (CS, FO, SDI)
2.7V ≤ VCC ≤ 5.5V (Note 18)
●
VCC – 0.5
V
VIL
Low Level Input Voltage (CS, FO, SDI)
2.7V ≤ VCC ≤ 5.5V
●
0.5
V
VIH
High Level Input Voltage (SCK)
2.7V ≤ VCC ≤ 5.5V (Notes 10, 15)
●
VCC – 0.5
V
VIL
Low Level Input Voltage (SCK)
2.7V ≤ VCC ≤ 5.5V (Notes 10, 15)
●
0.5
V
IIN
Digital Input Current (CS, FO, SDI)
0V ≤ VIN ≤ VCC
●
–10
10
μA
IIN
Digital Input Current (SCK)
0V ≤ VIN ≤ VCC (Notes 10, 15)
●
–10
10
μA
CIN
Digital Input Capacitance (CS, FO, SDI)
10
pF
CIN
Digital Input Capacitance (SCK)
(Notes 10, 15)
10
pF
VOH
High Level Output Voltage (SDO)
IO = –800μA
●
VCC – 0.5
V
VOL
Low Level Output Voltage (SDO)
IO = 1.6mA
●
0.4
V
VOH
High Level Output Voltage (SCK)
IO = –800μA (Notes 10, 17)
●
VCC – 0.5
V
VOL
Low Level Output Voltage (SCK)
IO = 1.6mA (Notes 10, 17)
●
0.4
V
IOZ
Hi-Z Output Leakage (SDO)
●
–10
10
μA
POWER REQUIREMENTS The ● denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
●
2.7
5.5
V
ICC
Supply Current
Conversion Current (Note 12)
Sleep Mode (Note 12)
●
160
1
275
2
μA