Datasheet ADA4898-1, ADA4898-2 (Analog Devices) - 8

ADA4898-1/ADA4898-2 Data Sheet 2 2 1 1 0 0 –1 V –1 ) S = ±15V ) –2 –2 (dB (dB VS = ±15V IN –3 IN –3 –4 GA –4 GA V V –5 S = ±5V –5 S = ±5V -LOOP –6 -LOOP –6 ED –7 ED –7 LOS –8 LOS –8 C C –9 –9 –10 G = +1 –10 G = +1 –11 RL = 1kΩ –11 RL = 1kΩ VOUT = 100mV p-p VOUT = 2V p-p –12 –12 1 10 100 1 10 100
010 013
FREQUENCY (MHz) FREQUENCY (MHz)
07037- 07037- Figure 13. Small Signal Frequency Response for Various Supply Voltages Figure 16. Large Signal Frequency Response for Various Supply Voltages
3 1.0 2 CL = 5pF 0.9 1 0.8 0 0.7 ) –1 C 0.6 L = 0pF (dB –2 dB) 0.5 IN N ( –3 AI 0.4 GA –4 0.3 –5 CL = 33pF 0.2 V -LOOP IZED G OUT = 0.1V p-p –6 AL 0.1 ED –7 RM 0 LOS –8 C NO –0.1 VOUT = 2V p-p –9 C –0.2 G = +1 L = 15pF –10 RL = 1kΩ –0.3 G = +2 –11 VOUT = 100mV p-p RL = 1kΩ V –0.4 S = ±15V VS = ±15V –12 –0.5 1 10 100
011
100k 1M 10M
014
FREQUENCY (MHz) FREQUENCY (Hz)
07037- 07037- Figure 14. Small Signal Frequency Response for Various Capacitive Loads Figure 17. 0.1 dB Flatness for Various Output Voltages
10 100 ) Hz z) H /√ E (nV ISE (pA/ OIS 1 NO 10 N NT GE CURRE VOLTA UT INP 0.1 1 1 10 100 1k 10k 100k
012
1 10 100 1k 10k 100k
035
FREQUENCY (Hz) FREQUENCY (Hz)
07037- 07037- Figure 15. Voltage Noise vs. Frequency Figure 18. Input Current Noise vs. Frequency Rev. E | Page 8 of 20 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±15 V SUPPLY ±5 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION (POWER-DOWN) PIN FOR THE ADA4898-1 APPLICATIONS INFORMATION HIGHER FEEDBACK RESISTOR GAIN OPERATION RECOMMENDED VALUES FOR VARIOUS GAINS NOISE CIRCUIT CONSIDERATIONS PCB LAYOUT POWER SUPPLY BYPASSING GROUNDING OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES NOTES