Datasheet ADA4941-1 (Analog Devices) - 10

Data Sheet ADA4941-1 2 2 1 VO, dm = 0.1V p-p 1 G = +4 VO, dm = 2V p-p ) B) 0 0 d B –1 d ( –1 G = +2 N ( –2 IN G = –2 AI –2 G –3 GA –3 P O –4 –4 G = +10 O L –5 OOP –5 -L D- –6 D –6 E E S –7 –7 O –8 OS L –8 CL –9 G = +2 C D –9 D E –10 E –10 IZ –11 IZ L –11 AL –12 G = +10 A –12 M RM –13 G = +4 G = –2 R –13 O NO –14 N –14 –15 –15 –16 –16
0
1 10 100
3 01
1 10 100 1000
01 4- 4-
FREQUENCY (MHz)
70
FREQUENCY (MHz)
70 05 05 Figure 12. Small Signal Frequency Response for Various Gains Figure 15. Large Signal Frequency Response for Various Gains
2 2 1 VO, dm = 0.1V p-p 1 B) 0 0 d –1 –1 N ( –2 –2 AI G –3 B) –3 P d O –4 –4 VO, dm = 2V p-p O N ( L –5 AI –5 VO, dm = 0.1V p-p D- –6 –6 E D G S –7 E –7 O –8 C IZ L = 20pF –8 VO, dm = 6V p-p CL –9 AL –9 D E –10 RM –10 IZ –11 NO –11 AL –12 –12 RM –13 CL = 0pF –13 NO –14 –14 –15 –15 –16 –16
1 4
1 10 100 1000
01
0.1 1 10 100 1000
01 4- 4-
FREQUENCY (MHz)
70
FREQUENCY (MHz)
70 05 05 Figure 13. Small Signal Frequency Response for Various Capacitive Loads Figure 16. Frequency Response for Various Output Amplitudes
2 –70 1 VREF = 0.05V p-p VO, dm = 2V p-p VREF = MIDSUPPLY B) 0 d –80 –1 N ( –2 AI G –3 –90 P VS = ±5V O –4 O Bc) L –5 d ( –100 D- –6 N E S –7 IO T HD3 O –8 R O –110 CL –9 T D S E –10 DI IZ –11 –120 AL –12 VS = +3V RL = 2kΩ RM –13 –130 NO –14 V R S = +5V L = 1kΩ HD2 –15 HD2 RL = 500Ω –16 –140
2 5
1 10 1000
01
0.1 1 10 100 1000
01 4- 4-
FREQUENCY (MHz)
70
FREQUENCY (kHz)
70 05 05 Figure 14. REF Input Small Signal Frequency Response for Various Supplies Figure 17. Distortion vs. Frequency for Various Loads Rev. D | Page 9 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