AD9203TYPICAL PERFORMANCE CHARACTERISTICS AVDD = 3 V, DRVDD = 3 V, FS = 40 MSPS, 1 V Internal Reference, PWRCON = AVDD, 50% Duty Cycle, unless otherwise noted. 61852V SINGLE-ENDED INPUT80592V DIFFERENTIAL INPUT7557701V DIFFERENTIAL INPUT65551V SINGLE-60ENDED INPUTNR (dB)DR (dB)53SF S1V DIFFERENTIAL INPUT552V DIFFERENTIAL5150INPUT452V SINGLE-49ENDED INPUT1V SINGLE-ENDED INPUT4047 00573-004 35 00573-007 020406080100120020406080100120INPUT FREQUENCY (MHz)INPUT FREQUENCY (MHz) Figure 4. SNR vs. Input Frequency and Configuration Figure 7. SFDR vs. Input Frequency and Configuration 609.6–802V DIFFERENTIAL INPUT–75558.8–701V DIFFERENTIAL INPUT–65508.0–602V DIFFERENTIAL INPUT1V DIFFERENTIAL INPUTOB–55INAD (dB)EN1V SINGLE-S457.1THD (dB)–50ENDED INPUT1V SINGLE- ENDED INPUT–45406.3–402V SINGLE-2V SINGLE-ENDED INPUT–35ENDED INPUT355.5 00573-005 00573-008 020406080100120–30020406080100120INPUT 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–55–55THD (dB)THD (dB)–20dB–50–20dB–45–45–40 00573-006 00573-009 020406080100120–35020406080100120INPUT 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