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AD9241 Arkusz danych(PDF) 5 Page - Analog Devices |
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AD9241 Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 25 page AD9241 REV. 0 –4– ABSOLUTE MAXIMUM RATINGS* With Respect Parameter to Min Max Units AVDD AVSS –0.3 +6.5 V DVDD DVSS –0.3 +6.5 V AVSS DVSS –0.3 +0.3 V AVDD DVDD –6.5 +6.5 V DRVDD DRVSS –0.3 +6.5 V DRVSS AVSS –0.3 +0.3 V REFCOM AVSS –0.3 +0.3 V CLK DVSS –0.3 DVDD + 0.3 V Digital Outputs DRVSS –0.3 DRVDD + 0.3 V VINA, VINB AVSS –0.3 AVDD + 0.3 V VREF AVSS –0.3 AVDD + 0.3 V SENSE AVSS –0.3 AVDD + 0.3 V CAPB, CAPT AVSS –0.3 AVDD + 0.3 V Junction Temperature +150 °C Storage Temperature –65 +150 °C Lead Temperature (10 sec) +300 °C *Stresses above those listed under Absolute Maximum Ratings may cause perma- nent 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 sections of this specification is not implied. Exposure to absolute maximum ratings for extended periods may effect device reliability. SWITCHING SPECIFICATIONS Parameters Symbol AD9241 Units Clock Period 1 tC 800 ns min CLOCK Pulse Width High tCH 360 ns min CLOCK Pulse Width Low tCL 360 ns min Output Delay tOD 8 ns min 13 ns typ 19 ns max Pipeline Delay (Latency) 3 Clock Cycles NOTES 1The clock period may be extended to 1 ms without degradation in specified performance @ +25 °C. Specifications subject to change without notice. (TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, CL = 20 pF) WARNING! ESD SENSITIVE DEVICE 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 AD9241 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. tCL tCH tC tOD DATA 1 DATA OUTPUT INPUT CLOCK ANALOG INPUT S1 S2 S3 S4 Figure 1. Timing Diagram THERMAL CHARACTERISTICS Thermal Resistance 44-Pin MQFP θ JA = 53.2 °C/W θ JC = 19 °C/W ORDERING GUIDE Temperature Package Package Model Range Description Option* AD9241AS –40 oC to +85oC 44-Pin MQFP S-44 AD9241EB Evaluation Board *S = Metric Quad Flatpack. PIN CONNECTION 3 4 5 6 7 1 2 10 11 8 9 40 39 38 41 42 43 44 36 35 34 37 29 30 31 32 33 27 28 25 26 23 24 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) 12 13 14 15 16 17 18 19 20 21 22 REFCOM VREF SENSE NC AVSS AVDD NC AD9241 DVSS AVSS DVDD AVDD DRVSS DRVDD CLK NC = NO CONNECT NC NC NC (LSB) BIT 14 NC OTR BIT 1 (MSB) BIT 2 |
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