ADRF6516Data SheetTYPICAL PERFORMANCE CHARACTERISTICS VPS = 3.3 V, TA = 25°C, ZLOAD = 1 kΩ, digital gain code = 111, unless otherwise noted. 505.0BANDWIDTH = 31MHz4.5BANDWIDTH = 31MHz454.0403.5+25°C3.0VPS = 3.15V, 3.3V, 3.45V352.5+85°C2.0VPS = 3.15V, 3.3V, 3.45V30B)1.5d–40°C251.0B)R (dVPS = 3.15V, 3.3V, 3.45V0.520N (0RROAI+85°C–0.5G15VPS = 3.15V, 3.3V, 3.45VN E –1.0AI –1.510G –2.0+25°CVPS = 3.15V, 3.3V, 3.45V5–2.5–40°C–3.0VPS = 3.15V, 3.3V, 3.45V0–3.5 –4.0–5–4.5–10–5.001002003004005006007008009001000 005 01002003004005006007008009001000 008 VGAIN (mV)V 09422- GAIN (mV) 09422- Figure 5. In-Band Gain vs. VGAIN over Supply and Temperature Figure 8. Gain Conformance vs. VGAIN over Supply and Temperature (Bandwidth Setting = 31 MHz) (Bandwidth Setting = 31 MHz) 50–5845BANDWIDTH = 31MHzBANDWIDTH = 31MHz40–6735 30–7625 20–8DIGITAL GAIN = 111515B)B)10d–94dB)((d5P0N (UDE –103TEAI–5ITSLG–10P –112IN–15AMGA–20–12DIGITAL GAIN = 0111–25 –30–130–35 –40–14–1–45 –50–15–2110100 006 05101520253035 009 FREQUENCY (MHz)FREQUENCY (MHz) 09422- 09422- Figure 6. Gain vs. Frequency over VGAIN (Bandwidth Setting = 31 MHz) Figure 9. Gain Step and Gain Error vs. Frequency (Bandwidth Setting = 31 MHz, VGAIN = 0 V) 0.25014BANDWIDTH = 31MHzBANDWIDTH = 31MHz0.20–5130.150.10B) d–10DIGITAL GAIN = 01112B)B)0.05ddCH (((TPA0MUDE –1511TEISITSLM –0.05INPINGAAM –2010GA –0.10DIGITAL GAIN = 000–0.15–259–0.20–0.25–30801002003004005006007008009001000 007 05101520253035 010 VGAIN (mV) 09422- FREQUENCY (MHz) 09422- Figure 7. Gain Matching vs. VGAIN (Bandwidth Setting = 31 MHz) Figure 10. Gain Step and Gain Error vs. Frequency (Bandwidth Setting = 31 MHz, VGAIN = 0 V) Rev. C | Page 8 of 29 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS REGISTER MAP AND CODES THEORY OF OPERATION INPUT BUFFERS PROGRAMMABLE FILTERS VARIABLE GAIN AMPLIFIERS (VGAs) OUTPUT BUFFERS/ADC DRIVERS DC OFFSET COMPENSATION LOOP PROGRAMMING THE FILTERS AND GAINS NOISE CHARACTERISTICS DISTORTION CHARACTERISTICS MAXIMIZING THE DYNAMIC RANGE KEY PARAMETERS FOR QUADRATURE-BASED RECEIVERS APPLICATIONS INFORMATION BASIC CONNECTIONS SUPPLY DECOUPLING INPUT SIGNAL PATH OUTPUT SIGNAL PATH DC OFFSET COMPENSATION LOOP ENABLED COMMON-MODE BYPASSING SERIAL PORT CONNECTIONS ENABLE/DISABLE FUNCTION ERROR VECTOR MAGNITUDE (EVM) PERFORMANCE EVM TEST SETUP EFFECT OF FILTER BANDWIDTH ON EVM EFFECT OF OUTPUT VOLTAGE LEVELS ON EVM EFFECT OF COFS VALUE ON EVM EVALUATION BOARD EVALUATION BOARD CONTROL SOFTWARE SCHEMATICS AND ARTWORK OUTLINE DIMENSIONS ORDERING GUIDE