參數(shù)資料
型號: LTC2480IMS#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 24/40頁
文件大?。?/td> 601K
代理商: LTC2480IMS#TR
30
LTC2480
2480fa
leakage current. This leakage current, nominally 1nA
(
±10nA max), results in a small gain error. A 100 source
resistance will create a 0.05
V typical and 0.5V 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 (FO connected to an
APPLICATIO S I FOR ATIO
WU
UU
Figure 15. +FS Error vs RSOURCE at VREF (Small CREF)
Figure 16. –FS Error vs RSOURCE at VREF (Small CREF)
Figure 17. +FS Error vs RSOURCE at VREF (Large CREF)
Figure 18. –FS Error vs RSOURCE at VREF (Large CREF)
Figure 19. INL vs Differential Input Voltage and
Reference Source Resistance for CREF > 1F
RSOURCE ()
0
+FS
ERROR
(ppm)
50
70
90
10k
2480 F15
30
10
40
60
80
20
0
–10
10
100
1k
100k
VCC = 5V
VREF = 5V
VIN
+ = 3.75V
VIN
= 1.25V
FO = GND
TA = 25°C
CREF = 0.01F
CREF = 0.001F
CREF = 100pF
CREF = 0pF
RSOURCE ()
0
–FS
ERROR
(ppm)
–200
–100
0
800
2480 F18
–300
–400
–500
200
400
600
1000
VCC = 5V
VREF = 5V
VIN
+ = 1.25V
VIN
= 3.75V
FO = GND
TA = 25°C
CREF = 1F, 10F
CREF = 0.1F
CREF = 0.01F
RSOURCE ()
0
–FS
ERROR
(ppm) –30
–10
10
10k
2480 F16
–50
–70
–40
–20
0
–60
–80
–90
10
100
1k
100k
VCC = 5V
VREF = 5V
VIN
+ = 1.25V
VIN
= 3.75V
FO = GND
TA = 25°C
CREF = 0.01F
CREF = 0.001F
CREF = 100pF
CREF = 0pF
RSOURCE ()
0
+FS
ERROR
(ppm)
300
400
500
800
2480 F17
200
100
0
200
400
600
1000
VCC = 5V
VREF = 5V
VIN
+ = 3.75V
VIN
= 1.25V
FO = GND
TA = 25°C
CREF = 1F, 10F
CREF = 0.1F
CREF = 0.01F
VIN/VREF (V)
– 0.5
INL
(ppm
OF
V
REF
)
2
6
10
0.3
2480 F19
–2
–6
0
4
8
–4
–8
–10
– 0.3
– 0.1
0.1
0.5
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
TA = 25°C
CREF = 10F
R = 1k
R = 100
R = 500
相關(guān)PDF資料
PDF描述
LTC2480IMS 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
LTC2480CMS#TR 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
LTC2480HDD#TRPBF 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
LTC2480HDD#PBF 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
LTC2480HMS#TRPBF 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
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