參數(shù)資料
型號(hào): LTC1292
廠商: Linear Technology Corporation
英文描述: Single Chip 12-Bit Data Acquisition Systems(5V,單片,12位數(shù)據(jù)采集系統(tǒng)(內(nèi)置采樣和保持))
中文描述: 單芯片12位數(shù)據(jù)采集系統(tǒng)(5V的,單片,12位數(shù)據(jù)采集系統(tǒng)(內(nèi)置采樣和保持))
文件頁數(shù): 3/24頁
文件大?。?/td> 398K
代理商: LTC1292
3
LTC1292/LTC1297
AC CHARACTERISTICS
(Note 3)
LTC1292B/LTC1297B
LTC1292C/LTC1297C
LTC1292D/LTC1297D
MIN
TYP
(Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IH
V
IL
I
IH
I
IL
V
OH
High Level Input Voltage
V
CC
= 5.25V
V
CC
= 4.75V
V
IN
= V
CC
V
IN
= 0V
V
CC
= 4.75V, I
O
= –10
μ
A
I
O
= 360
μ
A
V
CC
= 4.75V, I
O
= 1.6mA
V
OUT
= V
CC
, CS High
V
OUT
= 0V, CS High
V
OUT
= 0V
V
OUT
= V
CC
G
2.0
V
Low Level Input Voltage
G
0.8
V
High Level Input Current
G
2.5
μ
A
μ
A
V
V
Low Level Input Current
G
–2.5
High Level Output Voltage
4.7
4.0
G
2.4
V
OL
I
OZ
Low Level Output Voltage
G
0.4
V
High Z Output Leakage
G
G
3
μ
A
μ
A
mA
–3
I
SOURCE
I
SINK
Output Source Current
–20
Output Sink Current
20
mA
LTC1292B/LTC1297B
LTC1292C/LTC1297C
LTC1292D/LTC1297D
DIGITAL U
SYMBOL
PARAMETER
CONDITIONS
MAX
UNITS
f
CLK
t
SMPL
Clock Frequency
V
CC
= 5V (Note 6)
See Operating Sequence
(Note 9)
1.0
MHz
Analog Input Sample Time
LTC1292
LTC1297
1.5CLK
0.5CLK+5.5
μ
s
t
CONV
Conversion Time
See Operating Sequence
12
CLK
Cycles
t
CYC
Total Cycle Time
See Operating Sequence (Note 6)
LTC1292
LTC1297
14CLK+2.5
μ
s
14CLK+6
μ
s
t
dDO
t
dis
t
en
t
hDO
t
f
t
r
t
WHCLK
t
WLCLK
t
suCS
Delay Time, CLK
to D
OUT
Data Valid
Delay Time, CS
to D
OUT
Hi-Z
Delay Time, CLK
to D
OUT
Enabled
Time Output Data Remains Valid After CLK
D
OUT
Fall Time
D
OUT
Rise Time
CLK High Time
See Test Circuits
G
160
300
ns
See Test Circuits
G
80
150
ns
See Test Circuits
G
80
200
ns
130
ns
See Test Circuits
G
65
130
ns
See Test Circuits
G
25
50
ns
V
CC
= 5V (Note 6)
V
CC
= 5V (Note 6)
V
CC
= 5V (Note 6)
300
ns
CLK Low Time
Setup Time, CS
Before CLK
(LTC1297 Wakeup Time)
400
ns
LTC1292
LTC1297
50
5.5
ns
μ
s
μ
s
μ
s
t
WHCS
CS High Time Between Data Transfer Cycles
V
CC
= 5V (Note 6)
LTC1292
LTC1297
2.5
0.5
t
WLCS
CS Low Time During Data Transfer
V
CC
= 5V (Note 6)
LTC1292
LTC1297
14CLK
14CLK+5.5
μ
s
C
IN
Input Capacitance
Analog Inputs On Channel
Analog Inputs Off Channel
Digital Inputs
100
5
5
pF
pF
pF
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PDF描述
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