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AD7682BCPZ 데이터시트(PDF) 6 Page - Analog Devices

부품명 AD7682BCPZ
상세설명  16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD7682BCPZ 데이터시트(HTML) 6 Page - Analog Devices

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AD7682/AD7689
Data Sheet
Rev. D | Page 6 of 32
VDD = 2.3 V to 5.5 V, VIO = 1.8 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 3.
All Models/Grades
Parameter
Conditions/Comments
Min
Typ
Max
Unit
INTERNAL REFERENCE
REF Output Voltage
2.5 V, @ 25°C
2.490
2.500
2.510
V
4.096 V, @ 25°C
4.086
4.096
4.106
V
REFIN Output Voltage1
2.5 V, @ 25°C
1.2
V
4.096 V, @ 25°C
2.3
V
REF Output Current
±300
μA
Temperature Drift
±10
ppm/°C
Line Regulation
VDD = 5 V ± 5%
±15
ppm/V
Long-Term Drift
1000 hours
50
ppm
Turn-On Settling Time
CREF = 10 μF
5
ms
EXTERNAL REFERENCE
Voltage Range
REF input
0.5
VDD + 0.3
V
REFIN input (buffered)
0.5
VDD − 0.5
V
Current Drain2
250 kSPS, REF = 5 V
50
μA
TEMPERATURE SENSOR
Output Voltage3
@ 25°C
283
mV
Temperature Sensitivity
1
mV/°C
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 Format4
Pipeline Delay5
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = −500 μA
VIO − 0.3
V
POWER SUPPLIES
VDD
Specified performance
2.3
5.5
V
VIO
Specified performance
1.8
VDD + 0.3
V
Standby Current6, 7
VDD and VIO = 5 V, @ 25°C
50
nA
Power Dissipation
VDD = 2.5 V, 100 SPS throughput
1.7
μW
VDD = 2.5 V, 200 kSPS throughput
3.5
mW
VDD = 5 V, 250 kSPS throughput
12.5
18
mW
VDD = 5 V, 250 kSPS throughput with internal reference
15.5
21
mW
Energy per Conversion
VDD = 5V
60
nJ
TEMPERATURE RANGE8
Specified Performance
TMIN to TMAX
−40
+85
°C
1 This is the output from the internal band gap.
2 This is an average current and scales with throughput.
3 The output voltage is internal and present on a dedicated multiplexer input.
4 Unipolar mode: serial 16-bit straight binary.
Bipolar mode: serial 16-bit twos complement.
5 Conversion results available immediately after completed conversion.
6 With all digital inputs forced to VIO or GND as required.
7 During acquisition phase.
8 Contact an Analog Devices, Inc., sales representative for the extended temperature range.


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