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AD7691 数据表(PDF) 4 Page - Analog Devices

部件名 AD7691
功能描述  18-Bit, 1.5 LSB INL, 250 kSPS PulSAR
Download  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7691 数据表(HTML) 4 Page - Analog Devices

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AD7691
Data Sheet
Rev. D | Page 4 of 28
VDD = 2.3 V to 5.25 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
REFERENCE
Voltage Range
0.5
VDD + 0.3
V
Load Current
250 kSPS, REF = 5 V
60
μA
SAMPLING DYNAMICS
−3 dB Input Bandwidth
2
MHz
Aperture Delay
VDD = 5 V
2.5
ns
DIGITAL INPUTS
Logic Levels
VIL
−0.3
+0.3 × VIO
V
VIH
0.7 × VIO
VIO + 0.3
V
IIL
−1
+1
μA
IIH
−1
+1
μA
DIGITAL OUTPUTS
Data Format
Serial 18-bit, twos complement
Pipeline Delay1
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = −500 μA
VIO − 0.3
V
POWER SUPPLIES
VDD
Specified performance
2.3
5.25
V
VIO
Specified performance
2.3
VDD + 0.3
V
VIO Range
1.8
VDD + 0.3
V
Standby Current2, 3
VDD and VIO = 5 V, TA = 25°C
1
50
nA
Power Dissipation
VDD = 2.5 V, 100 SPS throughput
1.4
μW
VDD = 2.5 V, 100 kSPS throughput
1.35
mW
VDD = 2.5 V, 180 kSPS throughput
2.4
mW
VDD = 5 V, 100 kSPS throughput
4.24
5
mW
VDD = 5 V, 250 kSPS throughput
10.6
12.5
mW
Energy per Conversion
50
nJ/sample
TEMPERATURE RANGE4
Specified Performance
TMIN to TMAX
−40
+85
°C
1 Conversion results are available immediately after completed conversion.
2 With all digital inputs forced to VIO or GND as required.
3 During acquisition phase.
4 Contact an Analog Devices, Inc., sales representative for the extended temperature range.


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