link to page 15 link to page 16 Data SheetADA4939-1/ADA4939-2TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, +VS = 5 V, −VS = 0 V, VOCM = +VS /2, RG = 200 Ω, RF = 402 Ω, RT = 60.4 Ω, G = 1, RL, dm = 1 kΩ, unless otherwise noted. Refer to Figure 39 for test setup. Refer to Figure 42 for signal definitions. 22VOUT, dm = 100mV p-pVOUT, dm = 2V p-pB)0B)d0dN (N (AI–2AI–2GGPPO–4OO–4O-L-LDDE–6ES–6SOO–8D CL–8D CLEEIZIZ–10AL–10ALRMRM–12G = +2.00RG = 200Ω, RT = 60.4ΩG = +2.00RG = 200Ω, RT = 60.4ΩNO–12G = +3.16RNOG = 127Ω, RT = 66.3ΩG = +3.16RG = 127Ω, RT = 66.3ΩG = +5.00RG = 80.6Ω, RT = 76.8ΩG = +5.00RG = 80.6Ω, RT = 76.8Ω–14–141101001k 07 10 0 1101001k 0 9- 9- FREQUENCY (MHz) 42 FREQUENCY (MHz) 42 07 07 Figure 7. Small Signal Frequency Response for Various Gains Figure 10. Large Signal Frequency Response for Various Gains 32V2OUT, dm = 100mV p-pVOUT, dm = 2V p-pB)1dB) d0N (0N (AI–1AIGG–2P–2POOO–3O-L D-L–4–4EDSE–5SOO–6–6D CL E–7D CL EIZ–8IZ–8ALAL–9RMRM–10–10NOVNO–11S = 3.3VVS = 3.3VVS = 5.0VV–12S = 5.0V–121101001k 08 0 1101001k 11 0 9- 9- FREQUENCY (MHz) 42 FREQUENCY (MHz) 42 07 07 Figure 8. Small Signal Frequency Response for Various Supplies Figure 11. Large Signal Frequency Response for Various Supplies 33VV2OUT, dm = 100mV p-p2OUT, dm = 2V p-pB)1B)d1dN (0N (0AI–1AI–1GGP–2PO–2OO–3O–3-L-LD–4DE–4ESS–5O–5O–6–6D CLD CLE–7E–7IZIZ–8–8ALAL–9–9RMRM–10–40°C–10–40°CNO+25°CNO+25°C–11–11+105°C+105°C–12–121101001k 09 12 0 1101001k 0 9- 9- FREQUENCY (MHz) 42 FREQUENCY (MHz) 42 07 07 Figure 9. Small Signal Frequency Response for Various Temperatures Figure 12. Large Signal Frequency Response for Various Temperatures Rev. A | Page 9 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V OPERATION ±DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance 3.3 V OPERATION ±DIN to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS OPERATIONAL DESCRIPTION DEFINITION OF TERMS Differential Voltage Common-Mode Voltage Balance THEORY OF OPERATION ANALYZING AN APPLICATION CIRCUIT SETTING THE CLOSED-LOOP GAIN STABLE FOR GAINS ≥2 ESTIMATING THE OUTPUT NOISE VOLTAGE IMPACT OF MISMATCHES IN THE FEEDBACK NETWORKS CALCULATING THE INPUT IMPEDANCE FOR AN APPLICATION CIRCUIT Terminating a Single-Ended Input INPUT COMMON-MODE VOLTAGE RANGE INPUT AND OUTPUT CAPACITIVE AC COUPLING MINIMUM RG VALUE OF 50 Ω SETTING THE OUTPUT COMMON-MODE VOLTAGE LAYOUT, GROUNDING, AND BYPASSING HIGH PERFORMANCE ADC DRIVING OUTLINE DIMENSIONS ORDERING GUIDE