參數(shù)資料
型號: LTC2440CGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 24-Bit High Speed Differential delta-sigma ADC with Selectable Speed/Resolution
中文描述: 1-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
封裝: 0.150 INCH, PLASTIC, SSOP-16
文件頁數(shù): 6/28頁
文件大小: 316K
代理商: LTC2440CGN
LTC2440
6
sn2440, 2440fas
TYPICAL PERFOR U
Integral Nonlinearity
vs Conversion Rate
Integral Nonlinearity vs V
INCM
V
IN
(V)
–2.5
I
R
)
0
5
1.5
2440 G10
–5
–10
–1.5
–0.5 0
2.5
10
0.5
–2
–1
2
1
V
CC
= 5V
V
= 5V
V
REF
= 5V
V
REF–
= GND
V
INCM
= 2.5V
F
O
T
A
= 25
°
C
CONVERSION RATE (Hz)
0
0
I
R
)
2.5
5.0
7.5
10.0
500
1000 1500 2000
2440 G11
2500 3000 3500
V
CC
= 5V
V
= 5V
V
REF
= 5V
V
REF–
= GND
–2.5V
V
2.5V
V
INCM
= 2.5V
F
O
T
A
= 25
°
C
V
IN
(V)
–1.25
I
R
)
0
5
0.75
2440 G12
–5
–10
–0.75
–0.25
1.25
10
0.25
V
CC
= 5V
V
= 2.5V
V
REF
= 2.5V
V
REF–
= GND
OSR = 32768
F
O
= GND
T
A
= 25
°
C
V
INCM
= 1.25V
V
INCM
= 3.75V
V
INCM
= 2.5V
Integral Nonlinearity
vs Temperature
V
IN
(V)
–1.25
I
R
)
0
5
0.75
2440 G13
–5
–10
–0.75
–0.25
1.25
10
0.25
V
CC
= 5V
V
= 2.5V
V
REF
= 2.5V
V
REF–
= GND
V
= 1.25V
OSR = 32768
F
O
= GND
T
A
= 25
°
C
T
A
= –55
°
C
T
A
= 125
°
C
Integral Nonlinearity
vs Temperature
V
IN
(V)
–2.5
I
R
)
0
5
1.5
2440 G14
–5
–10
–1.5
–0.5 0
2.5
10
0.5
–2
–1
2
1
V
CC
= 5V
V
= 5V
V
REF
= 5V
V
REF–
= GND
V
= 2.5V
OSR = 32768
F
O
= GND
T
A
= –25
°
C
T
A
= 125
°
C
T
A
= 25
°
C
–Full-Scale Error vs V
REF
V
REF
(V)
0
R
)
0
10
4
2440 G15
–10
–20
1
2
3
5
20
+Full-Scale Error vs V
REF
V
REF
(V)
0
+
R
)
0
10
4
2440 G16
–10
–20
1
2
3
5
20
–Full-Scale Error vs V
CC
V
CC
(V)
4.5
F
R
)
6
8
10
5.3
2440 G17
4
2
5
7
9
3
1
0
4.7
4.9
5.1
5.5
V
= 2.5V
V
REF
= 2.5V
V
REF–
= GND
V
INCM
= 1.25V
OSR = 32768
F
O
= GND
T
A
= 25
°
C
+Full-Scale Error vs V
CC
V
CC
(V)
4.5
F
R
)
–4
–2
0
5.3
2440 G18
–6
–8
–5
–3
–1
–7
–9
–10
4.7
4.9
5.1
5.5
V
= 2.5V
V
REF
= 2.5V
V
REF–
= GND
V
INCM
= 1.25V
OSR = 32768
F
O
= GND
T
A
= 25
°
C
Integral Nonlinearity f
OUT
= 6.875Hz
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