Datasheet AD7482 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 12-Bit, 3 MSPS SAR ADC |
| 页数 / 页 | 21 / 7 — AD7482. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter. Rating. ESD CAUTION |
| 修订版 | B |
| 文件格式/大小 | PDF / 574 Kb |
| 文件语言 | 英语 |
AD7482. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter. Rating. ESD CAUTION
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AD7482 ABSOLUTE MAXIMUM RATINGS
T Stresses above those listed under Absolute Maximum Ratings A = 25°C, unless otherwise noted. may cause permanent damage to the device. This is a stress
Table 3.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those indicated in the operational AVDD to AGND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute DVDD to DGND −0.3 V to +7 V maximum rating conditions for extended periods may affect VDRIVE to DGND −0.3 V to +7 V device reliability. Analog Input Voltage to AGND −0.3 V to AVDD + 0.3 V Digital Input Voltage to DGND −0.3 V to VDRIVE + 0.3 V
ESD CAUTION
REFIN to AGND −0.3 V to AVDD + 0.3 V Input Current to Any Pin Except ±10 mA Supply Pins Operating Temperature Range −40°C to +85°C Commercial Storage Temperature Range −65°C to +150°C Junction Temperature 150°C Thermal Impedance, θ JA 50°C/W Thermal Impedance, θJC 10°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 1 kV Rev. B | Page 6 of 20 Document Outline Features Functional Block Diagram General Description Revision History Specifications Timing Characteristics Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Circuit Description Converter Operation Analog Input ADC Transfer Function Power Saving Offset/Overrange Parallel Interface Reading Data from the AD7482 Writing to the AD7482 Driving the CONVST Pin Typical Connection Board Layout and Grounding Outline Dimensions Ordering Guide
T Stresses above those listed under Absolute Maximum Ratings A = 25°C, unless otherwise noted. may cause permanent damage to the device. This is a stress
Table 3.
rating only; functional operation of the device at these or any
Parameter Rating
other conditions above those indicated in the operational AVDD to AGND −0.3 V to +7 V section of this specification is not implied. Exposure to absolute DVDD to DGND −0.3 V to +7 V maximum rating conditions for extended periods may affect VDRIVE to DGND −0.3 V to +7 V device reliability. Analog Input Voltage to AGND −0.3 V to AVDD + 0.3 V Digital Input Voltage to DGND −0.3 V to VDRIVE + 0.3 V
ESD CAUTION
REFIN to AGND −0.3 V to AVDD + 0.3 V Input Current to Any Pin Except ±10 mA Supply Pins Operating Temperature Range −40°C to +85°C Commercial Storage Temperature Range −65°C to +150°C Junction Temperature 150°C Thermal Impedance, θ JA 50°C/W Thermal Impedance, θJC 10°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 1 kV Rev. B | Page 6 of 20 Document Outline Features Functional Block Diagram General Description Revision History Specifications Timing Characteristics Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Circuit Description Converter Operation Analog Input ADC Transfer Function Power Saving Offset/Overrange Parallel Interface Reading Data from the AD7482 Writing to the AD7482 Driving the CONVST Pin Typical Connection Board Layout and Grounding Outline Dimensions Ordering Guide