ADA4941-1Data SheetTYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise noted, VS = 5 V, RL, dm = 1 kΩ, REF = 2.5 V, DIS = low, OUT+ directly connected to FB (G = 2), TA = 25°C. 221VO, dm = 0.1V p-p1B)0B)0d–1d–1VS = +3VN (–2N (–2VO, dm = 2V p-pAIAIG–3G–3PPO–4O–4OOL–5L–5D-–6D-–6EES–7S–7VOS = ±5V–8O–8VO, dm = 12V p-pCL–9CL–9DDE –10E –10VS = +5VIZV–11IZ –11O, dm = 6V p-pAL –12AL –12RM –13VS = +5VRM –13NO –14NO –14–15VVS = ±5V–15S = +3V–16–16 4 7 1101001000 00 0.1110100 00 4- 4- FREQUENCY (MHz) 70 FREQUENCY (MHz) 70 05 05 Figure 6. Small Signal Frequency Response for Various Power Supplies Figure 9. Large Signal Frequency Response for Various Power Supplies 221VO, dm = 0.1V p-p1VO, dm = 6V p-pB)0B)0d–1d–1N (–2N (–2AIAIG–3G–3PPO–4O–4OOL–5L–5D-–6D-–6EES–7S–7O–8O–8CL–9CL–9DDE –10E –10IZ –11+85°CIZ –11+85°CAL –12AL –12RM –13+25°CRM –13–40°C+25°CNO –14–40°CNO –14–15–15–16–16 5 8 1101001000 00 0.1110100 00 4- 4- FREQUENCY (MHz) 70 FREQUENCY (MHz) 70 05 05 Figure 7. Small Signal Frequency Response at Various Temperatures Figure 10. Large Signal Frequency Response at Various Temperatures 221VO, dm = 0.1V p-p1VO, dm = 6V p-pB)0B)0dd–1–1N (N (RL, dm = 1kΩAI–2–2AIRL, dm = 500ΩG–3G–3PPRL, dm = 5kΩO–4O–4OOL–5L–5D-D-–6E–6ESS–7O–7O–8CL–8CL–9DDE–9E –10IZ –10IZ –11AL –11ALR–12RML, dm = 1kΩ–12RM –13NO –13RL, dm = 5kΩNO –14RL, dm = 500Ω–14–15–15–16 6 1101001000 9 00 0.1110 00 4- 4- FREQUENCY (MHz) 70 FREQUENCY (MHz) 70 05 05 Figure 8. Small Signal Frequency Response for Various Resistive Loads Figure 11. Large Signal Frequency Response for Various Resistive Loads Rev. D | Page 8 of 23 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION DC ERROR CALCULATIONS OUTPUT VOLTAGE NOISE FREQUENCY RESPONSE VS. CLOSED-LOOP GAIN APPLICATIONS INFORMATION OVERVIEW USING THE REF PIN INTERNAL FEEDBACK NETWORK POWER DISSIPATION DISABLE FEATURE ADDING A 3-POLE, SALLEN-KEY FILTER DRIVING THE AD7687 ADC GAIN OF −2 CONFIGURATION OUTLINE DIMENSIONS ORDERING GUIDE