AL Tech 8CH Manual de usuario Pagina 8

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8
LTC2424/LTC2428
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Sleep Current vs Temperature Rejection vs Frequency at V
CC
Rejection vs Frequency at V
CC
Rejection vs Frequency at V
CC
Rejection vs Frequency at V
IN
Rejection vs Frequency at V
IN
Rejection vs Frequency at V
IN
Rejection vs Frequency at V
IN
TEMPERATURE (°C)
–55
0
SUPPLY CURRENT (µA)
10
20
30
–30 –5 20 45
24248 G19
70 95 120
V
CC
= 2.7V
V
CC
= 5V
FREQUENCY AT V
CC
(Hz)
0
REJECTION (dB)
–60
–40
–20
200
24248 G20
–80
–100
–120
50
100
150
250
V
CC
= 4.1V
V
IN
= 0V
T
A
= 25°C
F
O
= 0
FREQUENCY AT V
CC
(Hz)
15200
120
REJECTION (dB)
100
–80
–60
–40
0
15250
15300 15350 15400
24248 G21
15450 15500
–20
V
CC
= 4.1V
V
IN
= 0V
T
A
= 25°C
F
O
= 0
FREQUENCY AT V
CC
(Hz)
1
–120
REJECTION (dB)
–100
–80
–60
–40
–20
0
100 10k 1M
24248 G22
V
CC
= 4.1V
V
IN
= 0V
T
A
= 25°C
F
O
= 0
FREQUENCY AT V
IN
(Hz)
1
120
REJECTION (dB)
100
–80
–60
–40
–20
0
50 100 150 200
24248 G23
250
V
CC
= 5V
V
REF
= 5V
V
IN
= 2.5V
F
O
= 0
INPUT FREQUENCY DEVIATION FROM NOTCH FREQUENCY (%)
128404812
REJECTION (dB)
24248 G24
–60
–70
–80
–90
100
110
120
130
140
FREQUENCY AT V
IN
(Hz)
15100
120
REJECTION (dB)
100
–80
–60
–40
–20
0
15200 15300 15400 15500
24248 G25
V
CC
= 5V
V
REF
= 5V
V
IN
= 2.5V
F
O
= 0
SAMPLE RATE = 15.36kHz ±2%
INPUT FREQUENCY
0
–60
–40
0
f
S
= 15,360Hz
24248 F29
–80
100
f
S
/2 f
S
120
140
–20
REJECTION (dB)
TEMPERATURE (°C)
–55
SUPPLY CURRENT (µA)
220
20
24248 G30
190
170
–30 –5 45
160
150
230
210
200
180
70 95 120
V
CC
= 5.5V
V
CC
= 4.1V
V
CC
= 2.7V
Conversion Current
vs Temperature
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