Datasheet

LTC2414/LTC2418
5
241418fa
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage ● 2.7 5.5 V
I
CC
Supply Current
Conversion Mode CS = 0V (Note 12)
● 200 300 µA
Sleep Mode CS = V
CC
(Note 12) ● 410 µA
Sleep Mode CS = V
CC
, 2.7V ≤ V
CC
≤ 3.3V (Note 12) 2 µA
The ● denotes specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. (Note 3)
POWER REQUIRE E TS
WU
The ● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OL
Low Level Output Voltage I
O
= 1.6mA ● 0.4 V
SDO
V
OH
High Level Output Voltage I
O
= – 800µA (Note 10) ● V
CC
– 0.5 V
SCK
V
OL
Low Level Output Voltage I
O
= 1.6mA (Note 10) ● 0.4 V
SCK
I
OZ
Hi-Z Output Leakage ● –10 10 µA
SDO
DIGITAL I PUTS A D DIGITAL OUTPUTS
UU
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
EOSC
External Oscillator Frequency Range ● 2.56 2000 kHz
t
HEO
External Oscillator High Period ● 0.25 390 µs
t
LEO
External Oscillator Low Period ● 0.25 390 µs
t
CONV
Conversion Time F
O
= 0V ● 130.86 133.53 136.20 ms
F
O
= V
CC
● 157.03 160.23 163.44 ms
External Oscillator (Note 11)
● 20510/f
EOSC
(in kHz) ms
f
ISCK
Internal SCK Frequency Internal Oscillator (Note 10) 19.2 kHz
External Oscillator (Notes 10, 11) f
EOSC
/8 kHz
D
ISCK
Internal SCK Duty Cycle (Note 10) ● 45 55 %
f
ESCK
External SCK Frequency Range (Note 9) ● 2000 kHz
t
LESCK
External SCK Low Period (Note 9) ● 250 ns
t
HESCK
External SCK High Period (Note 9) ● 250 ns
t
DOUT_ISCK
Internal SCK 32-Bit Data Output Time Internal Oscillator (Notes 10, 12) ● 1.64 1.67 1.70 ms
External Oscillator (Notes 10, 11)
● 256/f
EOSC
(in kHz) ms
t
DOUT_ESCK
External SCK 32-Bit Data Output Time (Note 9) ● 32/f
ESCK
(in kHz) ms
The ● denotes specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 3)
TI I G CHARACTERISTICS
UW