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(yè)數(shù): 32/40頁(yè)
文件大小: 535K
代理商: LTC2480IDD
32
LTC2480
2480f
APPLICATIU
W
U
U
Figure 23. Resolution (Noise
RMS
1LSB)
vs Output Data Rate and Temperature
Figure 24. Resolution (INL
MAX
1LSB)
vs Output Data Rate and Temperature
Figure 25. Offset Error vs Output
Data Rate and Reference Voltage
Figure 26. Resolution (Noise
RMS
1LSB)
vs Output Data Rate and Reference Voltage
Figure 27. Resolution (INL
MAX
1LSB) vs
Output Data Rate and Reference Voltage
OUTPUT DATA RATE (READINGS/SEC)
0
10
R
12
16
18
20
24
10
50
70
2480 F23
14
22
40
90 100
20 30
60
80
V
IN(CM)
= V
V
CC
REF
= 5V
V
IN
= 0V
F
= EXT CLOCK
RES = LOG 2 (V
REF
/NOISE
RMS
)
T
A
= 85
°
C
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10
R
12
16
18
22
10
50
70
2480 F24
14
20
40
90 100
20 30
60
80
T
A
= 85
°
C
T
A
= 25
°
C
V
IN(CM)
= V
V
CC
REF
= 5V
F
= EXT CLOCK
RES = LOG 2 (V
REF
/INL
MAX
)
OUTPUT DATA RATE (READINGS/SEC)
0
–10
O
R
)
–5
5
10
20
10
50
70
2480 F25
0
15
40
90 100
20 30
60
80
V
CC
= 5V, V
REF
= 2.5V
V
CC
= V
REF
= 5V
V
IN(CM)
= V
REF(CM)
V
IN
F
O
= EXT CLOCK
T
A
= 25
°
C
OUTPUT DATA RATE (READINGS/SEC)
0
10
R
12
16
18
20
24
10
50
70
2480 F26
14
22
40
90 100
20 30
60
80
V
IN(CM)
= V
REF(CM)
V
IN
F
O
= EXT CLOCK
T
= 25
°
C
RES = LOG 2 (V
REF
/NOISE
RMS
)
V
CC
= 5V, V
REF
= 2.5V
V
CC
= V
REF
= 5V
OUTPUT DATA RATE (READINGS/SEC)
0
10
R
12
16
18
22
10
50
70
2480 F27
14
20
40
90 100
20 30
60
80
V
CC
= 5V, V
REF
= 2.5V
V
IN(CM)
= V
REF(CM)
V
REF
= GND
F
O
= EXT CLOCK
T
= 25
°
C
RES = LOG 2 (V
REF
/INL
MAX
)
V
CC
= V
REF
= 5V
temperature. In certain circumstances, a reduction of the
differential reference voltage may be beneficial.
Input Bandwidth
The combined effect of the internal SINC
4
digital filter and
of the analog and digital autocalibration circuits deter-
mines the LTC2480 input bandwidth. When the internal
oscillator is used with the notch set at 60Hz, the 3dB input
bandwidth is 3.63Hz. When the internal oscillator is used
with the notch set at 50Hz, the 3dB input bandwidth is
3.02Hz. If an external conversion clock generator of fre-
quency f
EOSC
is connected to the F
O
pin, the 3dB input
bandwidth is 11.8 10
–6
f
EOSC
.
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