Datasheet

LTC1096/LTC1096L
LTC1098/LTC1098L
7
10968fc
DIGITAL AND DC ELECTRICAL CHARACTERISTICS
LTC1096L/LTC1098L
The l denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C.
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
l
1.9 V
V
IL
Low Level Input Voltage V
CC
= 2.65V
l
0.45 V
I
IH
High Level Input Current V
IN
= V
CC
l
2.5 μA
I
IL
Low Level Input Current V
IN
= 0V
l
–2.5 μA
V
OH
High Level Output Voltage V
CC
= 2.65V, I
O
= 10μA
V
CC
= 2.65V, I
O
= 360μA
l
l
2.3
2.1
2.64
2.50
V
V
V
OL
Low Level Output Voltage V
CC
= 2.65V, I
O
= 400μA
l
0.3 V
I
OZ
Hi-Z Output Leakage CS ≥ High
l
±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
t
CYC
≥ 200μs, f
CLK
≤ 50kHz
t
CYC
= 58μs, f
CLK
= 250kHz
l
l
l
0.001
3.500
35.000
2.5
7.5
50.0
μA
μA
μA
I
CC
Supply Current CS = V
CC
l
0.001 3.0 μA
LTC1096L, t
CYC
≥ 200μs, f
CLK
≤ 50kHz
LTC1096L, t
CYC
= 58μs, f
CLK
= 250kHz
l
l
40
120
80
180
μA
μA
LTC1098L, t
CYC
≥ 200μs, f
CLK
≤ 50kHz
LTC1098L, t
CYC
= 58μs, f
CLK
= 250kHz
l
l
44
155
88
230
μA
μA
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
l
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
l
200 450 ns
t
dis
Delay Time, CS↑ to D
OUT
Hi-Z
See Test Circuits
l
170 450 ns
t
en
Delay Time, CLK↓ to D
OUT
Enable
See Test Circuits
l
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
l
70 250 ns
t
r
D
OUT
Rise Time See Test Circuits
l
25 100 ns
C
IN
Input Capacitance Analog Inputs On Channel
Analog Inputs Off Channel
25
5
pF
pF
Digital Input 5 pF
AC CHARACTERISTICS
LTC1096/LTC1098
The l denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C.
V
CC
= 5V, V
REF
= 5V, f
CLK
= 500kHz, unless otherwise noted.