7411 查看數據表（PDF） - Analog Devices
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7411 Datasheet PDF : 36 Pages
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ADT7411
TYPICAL PERFORMANCE CHARACTERISTICS
2.00
ADC OFF
1.95
1.90
1.85
1.80
1.75
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
VCC (V)
Figure 7. Supply Current vs. Supply Voltage at 25°C
0
±100mV RIPPLE ON VCC
VREF = 2.25V
–10 VDD = 3.3V
TEMPERATURE = 25°C
–20
–30
–40
–50
–60
1
10
100
FREQUENCY (kHz)
Figure 8. PSRR vs. Supply Ripple Frequency
7
6
5
4
3
2
1
0
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
VCC (V)
Figure 9. Power-Down Current vs. Supply Voltage at 25°C
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
200
400
600
800
ADC CODE
Figure 10. ADC INL with Ref = VDD (3.3 V)
1.5
EXTERNAL TEMPERATURE @ 5V
INTERNAL TEMPERATURE @ 3.3V
1.0
1000
0.5
0
–0.5
EXTERNAL TEMPERATURE @ 3.3V
INTERNAL TEMPERATURE @ 5V
–1.0
–30
0
40
85
120
TEMPERATURE (°C)
Figure 11. Temperature Error at 3.3 V and 5 V
3
VDD = 3.3V
2
1
OFFSET ERROR
0
–1
GAIN ERROR
–2
–3
–4
–40 –20 0
20 40
60 80
TEMPERATURE (°C)
100 120
Figure 12. ADC Offset Error and Gain Error vs. Temperature
Rev. B | Page 10 of 36
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