Datasheet ADA4898-1, ADA4898-2 (Analog Devices) - 9

Data Sheet ADA4898-1/ADA4898-2 110 –70 –95 f = 100kHz 100 ΔVOUT = ±5V –80 G = +1 V –100 R 90 S = ±15V –90 L = 1kΩ V PHASE S = ±15V 80 –100 ) –105 70 –110 (dB rees) c) IN 60 –120 –110 (dB HD2 GA 50 –130 E (Deg –115 40 –140 TION HAS -LOOP GAIN 30 –150 P P TOR –120 EN O IS 20 D OP –160 LO 10 –170 –125 PEN- HD3 0 –180 O –130 –10 –190 –20 –200 –135 100k 1M 10M 100M 1G
016
1 2 3 4 5 6
019
FREQUENCY (Hz) OUTPUT VOLTAGE (V p-p)
07037- 07073- Figure 19. Open-Loop Gain and Phase vs. Frequency Figure 22. Harmonic Distortion vs. Output Amplitude
0 0 RL = 1kΩ G = +1 VS = ±15V VS = ±5V V –20 VOUT = 2V p-p G = +2, HD3, RF = 250Ω –20 OUT = 2V p-p RL = 100Ω, HD3 –40 –40 c) G = +2, HD2, R c) R F = 250Ω L = 100Ω, HD2 (dB –60 (dB –60 TION TION –80 –80 TOR TOR R IS G = +1, HD3 IS L = 1kΩ, HD3 D D –100 G = +1, HD2 –100 RL = 1kΩ, HD2 –120 –120 –140 –140 100k 1M 10M
017
100k 1M 10M
020
FREQUENCY (Hz)
07037-
FREQUENCY (Hz)
07037- Figure 20. Harmonic Distortion vs. Frequency and Gain Figure 23. Harmonic Distortion vs. Frequency and Loads
0 G = +1 VS = ±15V R 0.14 L = 100Ω, HD3 V VOUT = 100mV p-p –20 OUT = 2V p-p G = +1 0.12 CL = 15pF RL= 1kΩ VS = ±15V –40 0.10 c) CL = 0pF (V) (dB 0.08 –60 RL = 100Ω, HD2 GE TION 0.06 –80 OLTA TOR 0.04 IS T V D U –100 TP 0.02 R CL = 5pF L = 1kΩ, HD3 OU –120 0 RL = 1kΩ, HD2 –0.02 –140 CL = 33pF 100k 1M 10M
018
–0.04
021
FREQUENCY (Hz) TIME (20ns/DIV)
07037- 07037- Figure 21. Harmonic Distortion vs. Frequency and Loads Figure 24. Small Signal Transient Response for Various Capacitive Loads Rev. E | Page 9 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