Datasheet AD9260 (Analog Devices) - 8

AD9260 DIGITAL FILTER CHARACTERISTICS 0 1.0 0.8 –20 E S 0.6 –40 ESPON R (dB) T 0.4 –60 TPU OU 0.2 MAGNITUDE –80 IZED L A 0 M R O –100 N –0.2 –120 –0.4 0 0.2 0.4 0.6 0.8 1.0 1.2 0 100 200 300 400 500 600 FREQUENCY (NORMALIZED TO
π
) CLOCK PERIODS (RELATIVE TO CLK)
00581-C-002 00581-C-005 Figure 2. 8x FIR Filter Frequency Response Figure 5. 8x FIR Filter Impulse Response
0 1.0 –20 E 0.8 S –40 ESPON 0.6 R (dB) T –60 TPU 0.4 OU MAGNITUDE –80 IZED 0.2 L A M R O –100 N 0 –120 –0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 0 10 20 30 40 50 60 70 80 90 100 110 FREQUENCY (NORMALIZED TO
π
) CLOCK PERIODS (RELATIVE TO CLK)
00581-C-003 00581-C-006 Figure 3. 4x FIR Filter Frequency Response Figure 6. 4x FIR Filter Impulse Response
0 1.0 –20 E 0.8 S –40 ESPON 0.6 R (dB) T –60 TPU 0.4 OU MAGNITUDE –80 IZED 0.2 L A M R O –100 N 0 –120 –0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 0 5 10 15 20 25 FREQUENCY (NORMALIZED TO
π
) CLOCK PERIODS (RELATIVE TO CLK)
00581-C-004 00581-C-007 Figure 4. 2x FIR Filter Frequency Response Figure 7. 2x FIR Filter Impulse Response Rev. C | Page 7 of 44 Document Outline FEATURES PRODUCT DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS CLOCK INPUT FREQUENCY RANGE DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL FILTER CHARACTERISTICS DIGITAL FILTER CHARACTERISTICS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TYPICAL AC CHARACTERIZATION CURVES VS. DECIMATION MODE TYPICAL AC CHARACTERIZATION CURVES FOR 8× MODE TYPICAL AC CHARACTERIZATION CURVES FOR 4× MODE TYPICAL AC CHARACTERIZATION CURVES FOR 2× MODE TYPICAL AC CHARACTERIZATION CURVES FOR 1× MODE TYPICAL AC CHARACTERIZATION CURVES ADDITIONAL AC CHARACTERIZATION CURVES THEORY OF OPERATION ANALOG INPUT AND REFERENCE OVERVIEW INPUT SPAN INPUT COMPLIANCE RANGE ANALOG INPUT OPERATION DRIVING THE INPUT Transient Response Input Driver Considerations Single-Ended-to-Differential Op Amp Driver Common-Mode Level REFERENCE OPERATION DIGITAL INPUTS AND OUTPUTS DIGITAL OUTPUTS CS and Read Pins DAV Pin RESET Pin OTR Pin MODE OPERATION BIAS PIN OPERATION POWER DISSIPATION CONSIDERATIONS DIGITAL OUTPUT DRIVER CONSIDERATIONS (DRVDD) Clock Input and Considerations GROUNDING AND DECOUPLING Analog and Digital Grounding Analog and Digital Supply Decoupling EVALUATION BOARD GENERAL DESCRIPTION FEATURES AND USER CONTROLS Jumper Controlled Mode/OSR Selection Selectable Power Bias Data Interfacing Controls Buffered Output Data Jumper Controlled Reference Source Flexible DC or AC Coupled External Clock Inputs Flexible Input Signal Configuration Circuitry Selecting Single or Dual Signal Input Selectable Input Signal Common-Mode Level Source SHIPMENT CONFIGURATION QUICK SETUP APPLICATION INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE