Datasheet

LTC2496
4
2496fb
The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
DigiTal inpuTs anD DigiTal ouTpuTs
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage (CS, f
O
, SDI) 2.7V ≤ V
CC
≤ 5.5V (Note 18)
l
V
CC
– 0.5 V
V
IL
Low Level Input Voltage (CS, f
O
, SDI) 2.7V ≤ V
CC
≤ 5.5V
l
0.5 V
V
IH
High Level Input Voltage (SCK) 2.7V ≤ V
CC
≤ 5.5V (Notes 10, 15)
l
V
CC
– 0.5 V
V
IL
Low Level Input Voltage (SCK) 2.7V ≤ V
CC
≤ 5.5V (Notes 10, 15)
l
0.5 V
I
IN
Digital Input Current (CS, f
O
, SDI) 0V ≤ V
IN
≤ V
CC
l
–10 10 µA
I
IN
Digital Input Current (SCK) 0V ≤ V
IN
≤ V
CC
(Notes 10, 15)
l
–10 10 µA
C
IN
Digital Input Capacitance (CS, f
O
, SDI) 10 pF
C
IN
Digital Input Capacitance (SCK) (Notes 10, 17) 10 pF
V
OH
High Level Output Voltage (SDO) I
O
= –800µA
l
V
CC
– 0.5 V
V
OL
Low Level Output Voltage (SDO) I
O
= 1.6mA
l
0.4 V
V
OH
High Level Output Voltage (SCK) I
O
= –800µA (Notes 10, 17)
l
V
CC
– 0.5 V
V
OL
Low Level Output Voltage (SCK) I
O
= 1.6mA (Notes 10, 17)
l
0.4 V
I
OZ
Hi-Z Output Leakage (SDO)
l
–10 10 µA
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage
l
2.7 5.5 V
I
CC
Supply Current Conversion Current (Note 12)
Sleep Mode (Note 12)
l
l
160
1
275
2
µA
µA
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 3)
power requireMenTs
The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
DigiTal inpuTs anD DigiTal ouTpuTs
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
EOSC
External Oscillator Frequency Range (Note 16)
l
10 4000 kHz
t
HEO
External Oscillator High Period
l
0.125 100 µs
t
LEO
External Oscillator Low Period
l
0.125 100 µs
t
CONV
Conversion Time Simultaneous 50/60Hz
External Oscillator
l
144.1 146.9
41036/f
EOSC
(in kHz)
149.9 ms
ms
f
ISCK
Internal SCK Frequency Internal Oscillator (Note 10)
External Oscillator (Notes 10, 11)
38.4
f
EOSC
/8
kHz
kHz
D
ISCK
Internal SCK Duty Cycle (Note 10)
l
45 55 %
f
ESCK
External SCK Frequency Range (Note 10)
l
4000 kHz
t
LESCK
External SCK Low Period (Note 10)
l
125 ns
t
HESCK
External SCK High Period (Note 10)
l
125 ns
t
DOUT_ISCK
Internal SCK 24-Bit Data Output Time Internal Oscillator
External Oscillator
l
0.61 0.625
192/f
EOSC
(in kHz)
0.64 ms
ms
t
DOUT_ESCK
External SCK 24-Bit Data Output Time (Note 10) 24/f
ESCK
(in kHz) ms