AD7298BCPZ Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
fabricante
AD7298BCPZ Datasheet PDF : 24 Pages
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AD7298
3.0
VDD = VDRIVE = 3V
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
CURRENT LOAD (mA)
Figure 9. VREF vs. Reference Output Current Drive
55
50
45
40
35
30
25
20
0
20
40
60
80
100
TIME (Seconds)
Figure 10. Response to Thermal Shock from Room Temperature
into 50°C Stirred Oil
–90
VDD = 3V
–92 VDRIVE = 3V
–94
–96
–98
–100
–102
–104
–106
–108
–110
1k
10k
100k
1M
10M
100M
RIPPLE FREQUENCY (Hz)
Figure 11. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
110
105
100
95
90
85
80
75
70
0 50 100 150 200 250 300 350 400 450 500 550
fNOISE (kHz)
Figure 12. Channel-to-Channel Isolation, fIN = 50 kHz
76
74 RIN = 47Ω
72
70
RIN = 0Ω
68
RIN = 33Ω
66
RIN = 47Ω
64
RIN = 100Ω
62
RIN = 200Ω
60
10
100
500
INPUT FREQUENCY (kHz)
Figure 13. SINAD vs. Analog Input Frequency for Various Source Impedances
75
70
65
60
55
50
45
40
35
30
25
20
VDD = 3V
VDRIVE = 3V
15
0
0.5
1.0
1.5
2.0
2.5
VREF (V)
Figure 14. SINAD vs. Reference Voltage
Rev. B | Page 10 of 24
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