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AD7656ABSTZ 数据表(PDF) 13 Page - Analog Devices

部件名 AD7656ABSTZ
功能描述  250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar 16-Bit ADC
PDF  29 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7656ABSTZ 数据表(HTML) 13 Page - Analog Devices

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AD7656A
Data Sheet
–40
140
TEMPERATURE (°C)
–20
0
20
40
60
80
100
120
83.0
83.5
84.0
84.5
85.0
85.5
86.0
86.5
87.0
±5V RANGE
AVCC/DVCC/VDRIVE = +5V
VDD/VSS = ±12V
fSAMPLE = 250kSPS
fIN = 50kHz
INTERNAL REFERENCE
±10V RANGE
AVCC/DVCC/VDRIVE = +5.25V
VDD/VSS = ±16.5V
Figure 16. SNR vs. Temperature
–100
–107
–40
140
TEMPERATURE (°C)
–101
–102
–103
–104
–105
–106
–20
0
20
40
60
80
100
120
±10V RANGE
AVCC/DVCC/VDRIVE = +5.25V
VDD/VSS = ±16.5V
±5V RANGE
AVCC/DVCC/VDRIVE = +5V
VDD/VSS = ±12V
fSAMPLE = 250kSPS
fIN = 50kHz
INTERNAL REFERENCE
Figure 17. THD vs. Temperature
120
60
0
FREQUENCY OF INPUT NOISE (kHz)
AVCC/DVCC/VDRIVE = 5V
VDD/VSS = ±12V
TA = 25°C
INTERNAL REFERENCE
±2 × VREF RANGE
30kHz ON SELECTED CHANNEL
110
100
90
80
70
20
40
60
80
100
120
140
Figure 18. Channel-to-Channel Isolation
30
0
–40
100
TEMPERATURE (°C)
25
20
15
10
5
–20
0
20
40
60
80
±10V RANGE
±5V RANGE
AVCC/DVCC/VDRIVE = +5V
fSAMPLE = 250kSPS
FOR ±5V RANGE VDD/VSS = ±12V
FOR ±10V RANGE VDD/VSS = ±16.5V
Figure 19. Dynamic Current vs. Temperature
Rev. 0 | Page 12 of 28



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