參數(shù)資料
型號: LTC1290DISW
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: Single Chip 12-Bit Data Acquisition System
中文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝: 0.300 INCH, PLASTIC, SOP-20
文件頁數(shù): 5/28頁
文件大?。?/td> 381K
代理商: LTC1290DISW
5
LTC 1290
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
Change in Offset vs Temperature
Change in Linearity vs Reference
Voltage
REFERENCE VOLTAGE, V
REF
(V)
0
L
R
)
1.25
1.00
0.75
0.50
0.25
0
4
1290 TPC04
1
2
3
5
1
4
V
CC
= 5V
Change in Gain vs Reference
Voltage
REFERENCE VOLTAGE, V
REF
(V)
1
C
R
)
–0.2
–0.1
0
5
1290 TPC05
–0.3
–0.4
–0.5
2
3
4
1
4
V
CC
= 5V
AMBIENT TEMPERATURE, T
A
(
°
C)
–50
M
O
0.5
0.4
0.3
0.2
0.1
0
–10
30
50
130
1290 TPC06
–30
10
70
90 110
ACLK = 4MHz
V
CC
= 5V
V
REF
= 5V
Change in Gain Error vs
Temperature
AMBIENT TEMPERATURE, T
A
(
°
C)
–50
M
G
0.5
0.4
0.3
0.2
0.1
0
–10
30
50
130
1290 TPC08
–30
10
70
90 110
ACLK = 4MHz
V
CC
= 5V
V
REF
= 5V
Change in Linearity Error vs
Temperature
AMBIENT TEMPERATURE, T
A
(
°
C)
–50
0
M
L
0.1
0.3
0.4
0.5
–10
30
50
130
1290 TPC07
0.2
–30
10
70
90 110
0.6
ACLK = 4MHz
V
CC
= 5V
V
REF
= 5V
Maximum Filter Resistor vs
Cycle Time
Maximum ACLK Frequency vs
Source Resistance
R
SOURCE
(
)
100
0
M
4
5
1k
10 k
100k
1290 TPC09
3
2
1
V
CC
= 5V
V
REF
= 5V
T
A
°
C
+
INPUT
INPUT
V
IN
R
SOURCE–
* MAXIMUM ACLK FREQUENCY REPRESENTS THE ACLK
FREQUENCY AT WHICH A 0.1LSB SHIFT IN THE ERROR AT
ANY CODE TRANSITION FROM ITS 4MHz VALUE IS FIRST DETECTED.
CYCLE TIME, t
CYC
(
μ
s)
M
F
*
)
10
100
1k
10k
10
1000
10000
1290 TPC10
1.0
100
+
V
IN
C
FILTER
1
μ
F
R
FILTER
** MAXIMUM R
REPRESENTS THE FILTER RESISTOR VALUE
AT WHICH A 0.1LSB CHANGE IN FULL-SCALE ERROR FROM
ITS VALUE AT R
FILTER
= 0 IS FIRST DETECTED.
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