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AD7985BCPZ датащи(PDF) 4 Page - Analog Devices

номер детали AD7985BCPZ
подробное описание детали  16-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

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AD7985
Rev. 0 | Page 4 of 28
Table 3.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
INTERNAL REFERENCE
PDREF is low
Output Voltage
TA = 25°C
4.081
4.096
4.111
V
Temperature Drift
−40°C to +85°C
±10
ppm/°C
Line Regulation
AVDD = 2.5 V ± 5%
±50
ppm/V
Turn-On Settling Time
CREF = 10 μF, CREFIN = 0.1 μF
40
ms
REFIN Output Voltage
REFIN at 25°C
1.2
V
REFIN Output Resistance
6
EXTERNAL REFERENCE
PDREF is high, REFIN is low
Voltage Range
2.4
5.1
V
Current Drain
500
μA
REFERENCE BUFFER
REFIN Input Voltage Range
1.2
V
REFIN Input Current
160
μA
DIGITAL INPUTS
Logic Levels
VIL
−0.3
0.1 × VIO
V
VIH
0.9 × VIO
VIO + 0.3
V
IIL
−1
+1
μA
IIH
−1
+1
μA
DIGITAL OUTPUTS
Data Format
Serial 16 bits, straight binary
Pipeline Delay
Conversion results available immediately
after completed conversion
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = −500 μA
VIO − 0.3
V
POWER SUPPLIES
AVDD, DVDD
2.375
2.5
2.625
V
BVDD
4.75
5.0
5.25
V
VIO
Specified performance
1.8
2.5
2.7
V
Standby Current1, 2
AVDD = DVDD = VIO = 2.5 V
1.0
μA
Power Dissipation
With Internal Reference
2.5 MSPS throughput
28
33
mW
2.0 MSPS throughput
25
30
mW
With External Reference
2.5 MSPS throughput
15.5
17
mW
2.0 MSPS throughput
12
13
mW
TEMPERATURE RANGE3
Specified Performance
TMIN to TMAX
−40
+85
°C
1 With all digital inputs forced to VIO or GND as required.
2 During acquisition phase.
3 Contact an Analog Devices, Inc., sales representative for the extended temperature range.


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