參數(shù)資料
型號: LTC2442IG
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 24-Bit High Speed 4-Channel Delta-Sigma ADC with Integrated Amplifi er
中文描述: 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO36
封裝: 5.30 MM, PLASTIC, SSOP-36
文件頁數(shù): 6/32頁
文件大?。?/td> 392K
代理商: LTC2442IG
LTC2442
6
2442f
INPUT VOLTAGE (V)
–1.25
R
2
6
10
0.75
2442 G02
–2
–6
0
4
8
–4
–8
–10
–0.75
–0.25
0.25
1.25
V
CC
= 5V
V
REF
= 2.5V
V
IN
CM = 1.25
F
O
= GND
V
+
= 7V
V
= –2V
–40
°
C
25
°
C
90
°
C
INPUT VOLTAGE (V)
–2.5
R
2
6
10
1.5
2442 G03
–2
–6
0
4
8
–4
–8
–10
–1.5
–0.5
0.5
2.5
V
CC
= 5V
V
REF
= 5V
V
IN
CM = 1.25
F
O
= GND
V
+
= 7V
V
= –2V
–40
°
C
25
°
C
90
°
C
V
IN
(V)
–2.5
I
2
6
10
1.5
2442 G04
–2
–6
0
4
8
–4
–8
–10
–1.5
–0.5
0.5
2.5
V
CC
= 5V
V
= GND
F
O
= GND
V
REF
= 5V
V
IN
CM = 2.5V
V
+
= 5V
V
+
= 5.25V
V
+
= 5.5V
V
IN
(V)
–2.5
I
2
6
10
1.5
2442 G05
–2
–6
0
4
8
–4
–8
–10
–1.5
–0.5
0.5
2.5
V
CC
= 5V
V
+
= 5.5
F
O
= GND
V
REF
= 5V
V
IN
CM = 2.5V
V
= 0V
V
= –1V
V
= –2V
V
INCM
(V)
0
O
R
)
0
2.5
4
2442 G08
–2.5
–5.0
1
2
3
5
5.0
V
CC
= 5V
V
= 5V
V
REF
= 5V
V
REF–
= GND
SEL
+
= SEL
= V
INCM
OSR = 32768
F
O
= GND
T
A
= 25
°
C
TEMPERATURE (
°
C)
–55
–5.0
O
μ
V
–2.5
0
2.5
5.0
–25
5
35
65
2442 G09
95
125
V
CC
= 4.5V
V
= 2.5V
V
REF
= 2.5V
V
REF–
= GND
SEL
+
= SEL
= GND
OSR = 256
F
O
= GND
V
CC
= 5.5V, 5V
V
= 5V
V
REF
= 5V
V
REF–
= GND
SEL
+
= SEL
= GND
OSR = 256
F
O
= GND
V
CC
= 5V
V
CC
= 5.5V
V
CC
= 4.5V
V
CC
(V)
4.5
O
R
)
0
2.5
5.3
2442 G06
–2.5
–5.0
4.7
4.9
5.1
5.5
5.0
V
= 2.5V
V
REF
= 2.5V
V
REF–
= GND
SEL
+
= SEL
= GND
OSR = 32768
F
O
= GND
T
A
= 25
°
C
Integral Non-Linearity
Integral Non-Linearity
vs Temperature
Integral Non-Linearity
vs Temperature
INL vs Op Amp Positive Supply
Voltage (V
+
)
INL vs Op Amp Negative Supply
Voltage (V
)
Offset Error vs Supply Voltage
Offset Error vs Conversion Rate
Offset Error vs Common Mode
Input Voltage
Offset Error vs Temperature
TYPICAL PERFOR AU
V
IN
DIFFERENTIAL (V)
–2.048
–5
E
–4
–2
–1
0
5
2
–1.024
0
2442 TA02
–3
3
4
1
1.024
2.048
V
INCM
= 2.048V
V
REF
= 4.096V
V
CC
= 5V
V
+
= 5V
V
= 0V
CONVERSION RATE (Hz)
0
–5.0
O
R
)
–2.5
0
2.5
5.0
500
1000 1500 2000
2442 G07
2500 3000 3500
V
CC
= 5V
V
= 5V
V
REF
= 5V
V
REF–
= GND
SEL
+
= SEL
= GND
F
O
= GND
T
A
= 25
°
C
V
+
= 5V
V
= –2V
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