AD7788 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
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Fabricante
AD7788 Datasheet PDF : 20 Pages
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AD7788/AD7789
TYPICAL PERFORMANCE CHARACTERISTICS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
20
40
60
80 100 120 140 160
FREQUENCY (Hz)
03539-0-007
Figure 6. Frequency Response with 16.6 Hz Update Rate
VDD = 3V
70 VREF = 2.048V
TA = 25°C
RMS NOISE = 1.25µV
60
50
40
30
20
10
0
8388591
CODE
Figure 7. AD7789 Noise Histogram
8388625
03539-0-008
8388625
8388591
0
VDD = 3V, VREF = 2.048V,
TA = 25°C, RMS NOISE = 1.25µV
200
400
600
READ NO.
Figure 8. AD7789 Noise Plot
800
1000
03539-0-009
3.0 VDD = 5V
UPDATE RATE = 16.6Hz
TA = 25°C
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 5.0
VREF (V)
03539-0-013
Figure 9. AD7788/AD7789 Noise vs. VREF
Rev. 0 | Page 10 of 20
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