參數(shù)資料
型號(hào)： LTC2480IDD
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 16-Bit ADC with Easy Drive
中文描述： 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
封裝： 3 X 3 MM, PLASTIC, MO-229WEED-2, DFN-10
文件頁數(shù)： 30/40頁
文件大小： 535K
代理商： LTC2480IDD
30
LTC2480
2480f
leakage current. This leakage current, nominally 1nA
(
±
10nA max), results in a small gain error. A 100
source
resistance will create a 0.05
μ
V typical and 0.5
μ
V maxi-
mum full-scale error.
Output Data Rate
When using its internal oscillator, the LTC2480 produces
up to 7.5 samples per second (sps) with a notch frequency
of 60Hz, 6.25sps with a notch frequency of 50Hz and
6.82sps with the 50Hz/60Hz rejection mode. The actual
output data rate will depend upon the length of the sleep
and data output phases which are controlled by the user
and which can be made insignificantly short. When oper-
ated with an external conversion clock (F
O
connected to an
APPLICATIU
W
U
U
Figure 15. +FS Error vs R
SOURCE
at V
REF
(Small C
REF
)
Figure 16. –FS Error vs R
SOURCE
at V
REF
(Small C
REF
)
Figure 17. +FS Error vs R
SOURCE
at V
REF
(Large C
REF
)
Figure 18. –FS Error vs R
SOURCE
at V
REF
(Large C
REF
)
Figure 19. INL vs Differential Input Voltage and
Reference Source Resistance for C
REF
> 1
μ
F
R
SOURCE
(
)
0
+
50
70
90
10k
2480 F15
30
10
40
60
80
20
0
–10
10
100
1k
100k
V
CC
= 5V
V
= 5V
V
REF
= 3.75V
V
IN–
= 1.25V
F
O
= GND
T
A
= 25
°
C
C
REF
= 0.01
μ
F
C
REF
= 0.001
μ
F
REF
= 100pF
C
REF
= 0pF
R
SOURCE
(
)
0
–
–200
–100
0
800
2480 F18
–300
–400
–500
200
400
600
1000
V
CC
= 5V
V
= 5V
V
REF
= 1.25V
V
IN–
= 3.75V
F
O
= GND
T
A
= 25
°
C
C
REF
= 1
μ
F, 10
μ
F
C
REF
= 0.1
μ
F
C
REF
= 0.01
μ
F
R
SOURCE
(
)
0
–
–30
–10
10
10k
2480 F16
–50
–70
–40
–20
0
–60
–80
–90
10
100
1k
100k
V
CC
= 5V
V
= 5V
V
REF
= 1.25V
V
IN–
= 3.75V
F
O
= GND
T
A
= 25
°
C
C
REF
= 0.01
μ
F
C
REF
= 0.001
μ
F
C
REF
= 100pF
C
REF
= 0pF
R
SOURCE
(
)
0
+
300
400
500
800
2480 F17
200
100
0
200
400
600
1000
V
CC
= 5V
V
= 5V
V
REF
= 3.75V
V
IN–
= 1.25V
F
O
= GND
T
A
= 25
°
C
C
REF
= 1
μ
F, 10
μ
F
C
REF
= 0.1
μ
F
C
REF
= 0.01
μ
F
V
IN
/V
REF
(V)
–0.5
I
R
)
2
6
10
0.3
2480 F19
–2
–6
0
4
8
–4
–8
–10
–0.3
–0.1
0.1
0.5
V
CC
= 5V
V
REF
= 5V
V
IN(CM)
= 2.5V
T
A
°
C
C
REF
= 10
μ
F
R = 1k
R = 100
R = 500
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參數(shù)描述
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