AL Tech 8CH Manual de usuario Pagina 6

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6
LTC2424/LTC2428
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Total Unadjusted Error (3V Supply)
Negative Input Extended Total
Unadjusted Error (3V Supply)
INL (3V Supply)
Positive Input Extended Total
Unadjusted Error (3V Supply) Total Unadjusted Error (5V Supply) INL (5V Supply)
Negative Input Extended Total
Unadjusted Error (5V Supply)
Positive Input Extended Total
Unadjusted Error (5V Supply)
Offset Error vs Reference Voltage
INPUT VOLTAGE (V)
0
ERROR (ppm)
2
6
10
2.0
24248 G01
–2
–6
0
4
8
–4
–8
–10
0.5
1.0
1.5
2.5
V
CC
= 3V
V
REF
= 2.5V
T
A
= –55°C, –45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
ERROR (ppm)
2
6
10
2.0
24248 G02
–2
–6
0
4
8
–4
–8
–10
0.5
1.0
1.5
2.5
V
CC
= 3V
V
REF
= 2.5V
T
A
= –55°C, –45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
–10
–6
–2
2
0.05
0.10
0.15 0.20
24248 G03
0.25
10
0.30
ERROR (ppm)
6
–8
–4
0
8
4
V
CC
= 3V
V
REF
= 2.5V
T
A
= 90°C
T
A
= 25°C
T
A
= –45°C
T
A
= –55°C
INPUT VOLTAGE (V)
2.50
–10
–6
–2
2
2.55
2.60
2.65 2.70
24248 G04
2.75
10
2.80
ERROR (ppm)
6
–8
–4
0
8
4
V
CC
= 3V
V
REF
= 2.5V
T
A
= –55°C, –45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
ERROR (ppm)
2
6
10
4
24248 G05
–2
–6
0
4
8
–4
–8
–10
1
2
3
5
V
CC
= 5V
V
REF
= 5V
T
A
= –55°C, –45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
ERROR (ppm)
2
6
10
4
2420 G06
–2
–6
0
4
8
–4
–8
–10
1
2
3
5
V
CC
= 5V
V
REF
= 5V
T
A
= –55°C, –45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
–10
–6
–2
2
0.05
0.10
0.15 0.20
24248 G07
0.25
10
0.30
ERROR (ppm)
6
–8
–4
0
8
4
V
CC
= 5V
V
REF
= 5V
T
A
= 90°C
T
A
= 25°C
T
A
= –55°C
T
A
= –45°C
INPUT VOLTAGE (V)
5.00
–10
–6
–2
2
5.05
5.10
5.15 5.20
24248 G08
5.25
10
5.30
ERROR (ppm)
6
–8
–4
0
8
4
V
CC
= 5V
V
REF
= 5V
T
A
= –45°C
T
A
= –55°C
T
A
= 25°CT
A
= 90°C
REFERENCE VOLTAGE (V)
0
OFFSET ERROR (ppm)
90
120
150
4
24248 G09
60
30
0
1
2
3
5
V
CC
= 5V
T
A
= 25°C
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