Datasheet AD9203 (Analog Devices) - 9

AD9203 TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3 V, DRVDD = 3 V, FS = 40 MSPS, 1 V Internal Reference, PWRCON = AVDD, 50% Duty Cycle, unless otherwise noted.
61 85 2V SINGLE-ENDED INPUT 80 59 2V DIFFERENTIAL INPUT 75 57 70 1V DIFFERENTIAL INPUT 65 55 1V SINGLE- 60 ENDED INPUT NR (dB) DR (dB) 53 S F S 1V DIFFERENTIAL INPUT 55 2V DIFFERENTIAL 51 50 INPUT 45 2V SINGLE- 49 ENDED INPUT 1V SINGLE-ENDED INPUT 40 47
00573-004
35
00573-007
0 20 40 60 80 100 120 0 20 40 60 80 100 120 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz)
Figure 4. SNR vs. Input Frequency and Configuration Figure 7. SFDR vs. Input Frequency and Configuration
60 9.6 –80 2V DIFFERENTIAL INPUT –75 55 8.8 –70 1V DIFFERENTIAL INPUT –65 50 8.0 –60 2V DIFFERENTIAL INPUT 1V DIFFERENTIAL INPUT OB –55 INAD (dB) EN 1V SINGLE- S 45 7.1 THD (dB) –50 ENDED INPUT 1V SINGLE- ENDED INPUT –45 40 6.3 –40 2V SINGLE- 2V SINGLE- ENDED INPUT –35 ENDED INPUT 35 5.5
00573-005 00573-008
0 20 40 60 80 100 120 –300 20 40 60 80 100 120 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz)
Figure 5. SINAD vs. Input Frequency and Configuration Figure 8. THD vs. Input Frequency and Configuration
–75 –75 –70 –0.5dB –0.5dB –65 –65 –6.0dB –60 –6.0dB –55 –55 THD (dB) THD (dB) –20dB –50 –20dB –45 –45 –40
00573-006 00573-009
0 20 40 60 80 100 120 –350 20 40 60 80 100 120 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz)
Figure 6. THD vs. Input Frequency and Amplitude Figure 9. THD vs. Input Frequency and Amplitude (Differential Input VREF = 0.5 V) (Differential Input VREF = 1 V) Rev. B | Page 8 of 28 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS OPERATIONS THEORY OF OPERATION OPERATIONAL MODES INPUT AND REFERENCE OVERVIEW INTERNAL REFERENCE CONNECTION EXTERNAL REFERENCE OPERATION CLAMP OPERATION DRIVING THE ANALOG INPUT OP AMP SELECTION GUIDE DIFFERENTIAL MODE OF OPERATION POWER CONTROL INTERFACING TO 5 V SYSTEMS CLOCK INPUT AND CONSIDERATIONS DIGITAL INPUTS AND OUTPUTS APPLICATIONS DIRECT IF DOWN CONVERSION ULTRASOUND APPLICATIONS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE