Datasheet

6
LTC1096/LTC1096L
LTC1098/LTC1098L
DIGITAL AND DC ELECTRICAL CHARACTERISTICS
U
LTC1096L/LTC1098L
V
CC
= 2.65V, V
REF
= 2.5V, f
CLK
= 250kHz, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage V
CC
= 3.6V ● 1.9 V
V
IL
Low Level Input Voltage V
CC
= 2.65V ● 0.45 V
I
IH
High Level Input Current V
IN
= V
CC
● 2.5 µA
I
IL
Low Level Input Current V
IN
= 0V ● –2.5 µA
V
OH
High Level Output Voltage V
CC
= 2.65V, I
O
= 10µA ● 2.3 2.64 V
V
CC
= 2.65V, I
O
= 360µA ● 2.1 2.50 V
V
OL
Low Level Output Voltage V
CC
= 2.65V, I
O
= 400µA ● 0.3 V
I
OZ
Hi-Z Output Leakage CS = High ● ±3.0 µA
I
SOURCE
Output Source Current V
OUT
= 0V –10 mA
I
SINK
Output Sink Current V
OUT
= V
CC
15 mA
I
REF
Reference Current CS = V
CC
● 0.001 2.5 µA
t
CYC
≥ 200µs, f
CLK
≤ 50kHz ● 3.500 7.5 µA
t
CYC
= 58µs, f
CLK
= 250kHz ● 35.000 50.0 µA
I
CC
Supply Current CS = V
CC
● 0.001 3.0 µA
LTC1096L, t
CYC
≥ 200µs, f
CLK
≤ 50kHz ● 40 80 µA
LTC1096L, t
CYC
= 58µs, f
CLK
= 250kHz ● 120 180 µA
LTC1098L, t
CYC
≥ 200µs, f
CLK
≤ 50kHz ● 44 88 µA
LTC1098L, t
CYC
= 58µs, f
CLK
= 250kHz ● 155 230 µA
AC CHARACTERISTICS
LTC1096/LTC1098
V
CC
= 5V, V
REF
= 5V, f
CLK
= 500kHz, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
SMPL
Analog Input Sample Time See Operating Sequence 1.5 CLK Cycles
f
SMPL (MAX)
Maximum Sampling Frequency ● 33 kHz
t
CONV
Conversion Time See Operating Sequence 8 CLK Cycles
t
dDO
Delay Time, CLK↓ to D
OUT
Data Valid See Test Circuits ● 200 450 ns
t
dis
Delay Time, CS↑ to D
OUT
Hi-Z See Test Circuits ● 170 450 ns
t
en
Delay Time, CLK↓ to D
OUT
Enable See Test Circuits ● 60 250 ns
t
hDO
Time Output Data Remains Valid After CLK↓ C
LOAD
= 100pF 180 ns
t
f
D
OUT
Fall Time See Test Circuits ● 70 250 ns
t
r
D
OUT
Rise Time See Test Circuits ● 25 100 ns
C
IN
Input Capacitance Analog Inputs On Channel 25 pF
Analog Inputs Off Channel 5 pF
Digital Input 5 pF