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AD7643 数据表(PDF) 7 Page - Analog Devices

部件名 AD7643
功能描述  18-Bit, 1.25 MSPS 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

AD7643 数据表(HTML) 7 Page - Analog Devices

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AD7643
Rev. 0 | Page 7 of 28
ABSOLUTE MAXIMUM RATINGS
Table 5.
Parameter
Rating
Analog Inputs/Outputs
IN+1, IN−, REF, REFBUFIN, TEMP,
INGND, REFGND to AGND
AVDD + 0.3 V to
AGND − 0.3 V
Ground Voltage Differences
AGND, DGND, OGND
±0.3 V
Supply Voltages
AVDD, DVDD
−0.3 V to +2.7 V
OVDD
−0.3 V to +3.8 V
AVDD to DVDD
±2.8 V
AVDD, DVDD to OVDD
−3.8 V to +2.8 V
Digital Inputs
−0.3 V to +5.5 V
PDREF, PDBUF2
±20 mA
Internal Power Dissipation3
700 mW
Internal Power Dissipation4
2.5 W
Junction Temperature
125°C
Storage Temperature Range
–65°C to +125°C
1 See Analog Inputs section.
2 See Voltage Reference Input section.
3 Specification is for the device in free air:
48-Lead LQFP; θJA = 91°C/W, θJC = 30°C/W.
4 Specification is for the device in free air:
48-Lead LFCSP; θJA = 26°C/W.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.


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