Datasheet AD7908, AD7918, AD7928 (Analog Devices) - 10

制造商Analog Devices
描述8-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
页数 / 页28 / 10 — AD7908/AD7918/AD7928. Data Sheet. ABSOLUTE MAXIMUM RATINGS. Table 5. …
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AD7908/AD7918/AD7928. Data Sheet. ABSOLUTE MAXIMUM RATINGS. Table 5. Parameter. Rating. ESD CAUTION

AD7908/AD7918/AD7928 Data Sheet ABSOLUTE MAXIMUM RATINGS Table 5 Parameter Rating ESD CAUTION

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AD7908/AD7918/AD7928 Data Sheet ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 5.
Stresses above those listed under Absolute Maximum Ratings
Parameter Rating
may cause permanent damage to the device. This is a stress AV rating only; functional operation of the device at these or any DD to AGND −0.3 V to +7 V V other conditions above those indicated in the operational DRIVE to AGND −0.3 V to AVDD + 0.3 V Analog Input Voltage to AGND −0.3 V to AV section of this specification is not implied. Exposure to absolute DD + 0.3 V Digital Input Voltage to AGND −0.3 V to +7 V maximum rating conditions for extended periods may affect Digital Output Voltage to AGND −0.3 V to AV device reliability. DD + 0.3 V REFIN to AGND −0.3 V to AVDD + 0.3 V Input Current to Any Pin Except ±10 mA Supplies1 Operating Temperature Range Commercial (B Version) −40°C to +85°C Storage Temperature Range −65°C to +150°C Automotive Temperature Range −40°C to +125°C Junction Temperature 150°C TSSOP Package, Power Dissipation 450 mW θJA Thermal Impedance 143°C/W (TSSOP) θJC Thermal Impedance 45°C/W (TSSOP) Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 1.5 kV 1 Transient currents of up to 100 mA do not cause SCR latch-up.
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. Rev. E | Page 10 of 28 Document Outline Features General Description Functional Block Diagram Product Highlights Revision History Specifications AD7908 Specifications AD7918 Specifications AD7928 Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Performance Curves Control Register Sequencer Operation SHADOW Register Circuit Information Converter Operation Analog Input ADC Transfer Function Handling Bipolar Input Signals Typical Connection Diagram Analog Input Selection Digital Inputs VDRIVE Reference Modes of Operation Normal Mode (PM1 = PM0 = 1) Full Shutdown Mode (PM1 = 1, PM0 = 0) Auto Shutdown Mode (PM1 = 0, PM0 = 1) Powering Up the AD7908/AD7918/AD7928 Power vs. Throughput Rate Serial Interface Microprocessor Interfacing AD7908/AD7918/AD7928 to TMS320C541 AD7908/AD7918/AD7928 to ADSP-21xx AD7908/AD7918/AD7928 to DSP563xx Application Hints Grounding and Layout Evaluating the AD7908/AD7918/AD7928 Performance Outline Dimensions Ordering Guide Automotive Products