AD7453AD7453–TYPICAL PERFORMANCE CHARACTERISTICS Default Conditions: TA = 25°C, fS = 555 kSPS, fSCLK = 10 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted. 751.0VDD = 5.25V0.80.670VDD = 4.75V)0.4BVDD = 3.6VS L0.2R (65VDD = 2.7VRO0RINAD (dB) SE L–0.2DN–0.460–0.6 -005 -008 –0.8 03155-A 03155-A 55–1.01010027701024204830724096CODEFREQUENCY (kHz) Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages Figure 8. Typical DNL for the AD7453 for VDD = 5 V 01.0100mV p-p SINE WAVE ON VDDNO DECOUPLING ON V0.8DD–200.6–40)0.4)SBB –600.2d(L R O0RR (VRSDD = 3V–80PER L–0.2VDD= 5VIN–100–0.4–0.6–120 -006 -009 –0.8–140 03155-A –1.0 03155-A 0100200300400500600700800900100001024204830724096CODESUPPLY RIPPLE FREQUENCY (kHz) Figure 6. PSRR vs. Supply Ripple Frequency without Supply Decoupling Figure 9. Typical INL for the AD7453 for VDD = 5 V 01000099498192 POINT FFTCODESf9000–20SAMPLE = 555kSPSfIN = 100kSPS SINAD = 71.7dB8000–40THD = –82dB SFDR = –83dB70006000–605000NR (dB) S–804000–10030002000–120 -007 -010 100027 CODES24 CODES–140 03155-A 0 03155-A 0100200277204620472048204920502051FREQUENCY (kHz)CODES Figure 7. Dynamic Performance for V Figure 10. Histogram of 10,000 Conversions of a DC Input DD = 5 V Rev. B | Page 9 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY AD7453–TYPICAL PERFORMANCE CHARACTERISTICS CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM THE ANALOG INPUT Analog Input Structure DIGITAL INPUTS REFERENCE SERIAL INTERFACE Timing Example 1 MODES OF OPERATION NORMAL MODE POWER-DOWN MODE POWER-UP TIME POWER VS. THROUGHPUT RATE MICROPROCESSOR AND DSP INTERFACING AD7453 to ADSP-21xx AD7453 to TMS320C5x/C54x AD7453 to DSP56xxx APPLICATION HINTS Grounding and Layout EVALUATING THE AD7453’S PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE