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AD1955ARS bảng dữ liệu(PDF) 5 Page - Analog Devices |
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AD1955ARS bảng dữ liệu(HTML) 5 Page - Analog Devices |
5 / 24 page REV. 0 AD1955 –5– 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 the AD1955 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. WARNING! ESD SENSITIVE DEVICE PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS* Parameter Min Max Unit DVDD to DGND –0.3 6 V AVDD to AGND –0.3 6 V Digital Inputs DGND – 0.3 DVDD + 0.3 V Analog Outputs AGND – 0.3 AVDD + 0.3 V AGND to DGND –0.3 +0.3 V Reference Voltage (AVDD + 0.3)/2 Soldering 300 °C 10 sec *Stresses greater than 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. PACKAGE CHARACTERISTICS Package Typ Unit JA (Thermal Resistance 109.0 °C/W [Junction-to-Ambient]) JC (Thermal Resistance 39.0 °C/W [Junction-to-Case]) ORDERING GUIDE Model Temperature Package Description Package Option* AD1955ARS –40 °C to +85°C 28-Lead SSOP RS-28 AD1955ARSRL –40 °C to +85°C 28-Lead SSOP RS-28 on 13" Reels EVAL-AD1955EB Evaluation Board *RS = Shrink Small Outline Package TOP VIEW (Not to Scale) 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 IREF FILTR IOUTR– IOUTR+ AGND DSD_PHASE DSD_RDATA DVDD LRCLK/EF_WCLK BCLK/EF_BCLK SDATA/EF_LDATA DSD_LDATA DSD_SCLK EF_RDATA AVDD FILTB IOUTL– IOUTL+ AGND ZEROR ZEROL DGND MCLK CCLK CLATCH MUTE PD/RST CDATA AD1955 |
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