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AD9945 Arkusz danych(PDF) 4 Page - Analog Devices |
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AD9945 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 16 page REV. A –4– AD9945 TIMING SPECIFICATIONS Parameter Symbol Min Typ Max Unit SAMPLE CLOCKS DATACLK, SHP, SHD Clock Period tCONV 25 ns DATACLK High/Low Pulse Width tADC 10 12.5 ns SHP Pulse Width tSHP 6.25 ns SHD Pulse Width tSHD 6.25 ns CLPOB Pulse Width * tCOB 220 Pixels SHP Rising Edge to SHD Falling Edge tS1 6.25 ns SHP Rising Edge to SHD Rising Edge tS2 11.25 12.5 ns Internal Clock Delay tID 3ns DATA OUTPUTS Output Delay tOD 9.5 ns Pipeline Delay 10 Cycles SERIAL INTERFACE Maximum SCK Frequency fSCLK 10 MHz SL to SCK Setup Time tLS 10 ns SCK to SL Hold Time tLH 10 ns SDATA Valid to SCK Rising Edge Setup tDS 10 ns SCK Falling Edge to SDATA Valid Hold tDH 10 ns *Minimum CLPOB pulse width is for functional operation only. Wider typical pulses are recommended to achieve low noise clamp performance. Specifications subject to change without notice. (CL = 20 pF, fSAMP = 40 MHz, CCD Mode Timing in Figures 8 and 9, Serial Timing in Figures 4 and 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 AD9945 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. ABSOLUTE MAXIMUM RATINGS * With Respect Parameter To Min Max Unit AVDD AVSS –0.3 +3.9 V DVDD DVSS –0.3 +3.9 V DRVDD DRVSS –0.3 +3.9 V Digital Outputs DRVSS –0.3 DRVDD + 0.3 V SHP, SHD, DATACLK DVSS –0.3 DVDD + 0.3 V CLPOB, PBLK DVSS –0.3 DVDD + 0.3 V SCK, SL, SDATA DVSS –0.3 DVDD + 0.3 V REFT, REFB, CCDIN AVSS –0.3 AVDD + 0.3 V Junction Temperature 150 °C Lead Temperature 300 °C (10 sec) *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 outside of those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum ratings for extended periods may affect device reliability. ORDERING GUIDE Temperature Package Package Model Range Description 1 Option AD9945KCP –20 °C to +85°C LFCSP CP-32 AD9945KCPRL –20 °C to +85°C LFCSP CP-32 AD9945KCPRL7 –20 °C to +85°C LFCSP CP-32 AD9945KCPZ 2 –20 °C to +85°C LFCSP CP-32 AD9945KCPZRL7 2 –20 °C to +85°C LFCSP CP-32 1LFCSP = Lead Frame Chip Scale Package 2Z = Pb-free part. THERMAL CHARACTERISTICS Thermal Resistance 32-Lead LFCSP Package θJA = 27.7 °C/W |
Podobny numer części - AD9945 |
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Podobny opis - AD9945 |
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