LTC1290BI LINER [Linear Technology], LTC1290BI Datasheet - Page 3

• Manufacturer Part Number: LTC1290BI
• Description: Single Chip 12-Bit Data Acquisition System
• Manufacturer: LINER [Linear Technology]

AC CHARACTERISTICS
SYMBOL
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
DIGITAL A D
SYMBOL
V
V
I
I
V
V
I
I
SCLK
ACLK
ACC
SMPL
CONV
CYC
dDO
dis
en
hCS
hDI
hDO
f
r
suDI
suCS
WHCS
IH
IL
OZ
SOURCE
IN
IH
IL
OH
OL
PARAMETER
Shift Clock Frequency
A/D Clock Frequency
Delay time from CS to D
Analog Input Sample Time
Conversion Time
Total Cycle Time
Delay Time, SCLK to D
Delay Time, CS to D
Delay Time, 2nd ACLK to D
Hold Time, CS After Last SCLK
Hold Time, D
Time Output Data Remains Valid After SCLK
D
D
Setup Time, D
Setup Time, CS Before Clocking in
First Address Bit
CS High Time During Conversion
Input Capacitance
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
Low Level Output Voltage
High-Z Output Leakage
Output Source Current
OUT
OUT
Fall Time
Rise Time
U
IN
IN
After SCLK
Stable Before SCLK
DC
OUT
OUT
Hi-Z
OUT
ELECTRICAL C
Data Valid
OUT
Data Valid
Enabled
(Note 3)
CONDITIONS
V
V
(Note 9)
See Operating Sequence
See Operating Sequence
See Operating Sequence (Note 6)
See Test Circuits LTC1290BC, LTC1290CC
See Test Circuits
See Test Circuits
V
V
See Test Circuits
See Test Circuits
V
(Notes 6, 9)
V
Analog Inputs On Channel
Analog Inputs Off Channel
Digital Inputs
CONDITIONS
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
IN
IN
CC
CC
OUT
OUT
OUT
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= V
= 0V
= 5.25V
= 4.75V
= 4.75V I
= 4.75V I
= V
= 0V, CS High
= 0V
HARA TER STICS
CC
CC
, CS High
I
O
O
O
= 10 A
= 360 A
= 1.6mA
LTC1290DC, LTC1290BI
LTC1290CI, LTC1290DI
LTC1290BM, LTC1290CM
LTC1290DM
C
I
(Note 3)
LTC1290B/LTC1290C/LTC1290D
LTC1290B/LTC1290C/LTC1290D
(Note 10)
12 SCLK +
56 ACLK
+ 100ns
MIN
2 ACLK Cycles
50
50
52
MIN
0
0
2.0
2.4
TYP
–20
4.7
4.0
TYP
100
130
180
130
52
70
50
65
25
2
7
5
5
MAX
– 2.5
0.8
2.5
0.4
– 3
LTC1290
3
MAX
220
270
100
200
130
2.0
4.0
50
UNITS
Cycles
Cycles
Cycles
Cycles
Cycles
UNITS
ACLK
SCLK
ACLK
ACLK
3
MHz
MHz
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
pF
V
V
A
A
V
V
V
A
A