Datasheet ADA4898-1, ADA4898-2 (Analog Devices) - 10

ADA4898-1/ADA4898-2 Data Sheet 0.14 2.5 VOUT = 100mV p-p V R OUT = 2V p-p L=1kΩ G = +1 0.12 G = +1 VS = ±15V R 2.0 L= 1kΩ 0.10 (V) 0.08 G = +2 (V) 1.5 GE GE VS = ±5V 0.06 OLTA OLTA 1.0 0.04 T V T V U U TP 0.02 TP 0.5 OU OU 0 VS = ±15V 0 –0.02 –0.04
022
–0.5
025
TIME (20ns/DIV) TIME (100ns/DIV)
07037- 07037- Figure 25. Small Signal Transient Response for Various Gains Figure 28. Large Signal Transient Response for Various Supply Voltages, RL = 1 kΩ
2.5 V 2.5 OUT = 2V p-p VOUT = 2V p-p G = +1 RL = 1kΩ R V 2.0 L = 100Ω 2.0 S = ±15V (V) 1.5 (V) 1.5 V GE S = ±5V GE G = +2 OLTA 1.0 OLTA 1.0 T V U T V U TP 0.5 TP 0.5 OU OU VS = ±15V G = +1 0 0 –0.5
023
–0.5
024
TIME (100ns/DIV) TIME (100ns/DIV)
07037- 07037- Figure 26. Large Signal Transient Response for Figure 29. Large Signal Transient Response for Various Gains Various Supply Voltages, RL = 100 Ω
10k 0.5 OUTPUT G = +1 PD LOW 0.4 RL = 1kΩ VOUT = 5V p-p 1k INPUT VS = ±15V 0.3 ) Δt = 85ns (Ω ) 0.2 100 E (% 0.1 PEDANCE G TIM 0 IM 10 –0.1 PUT PD HIGH UT SETTLIN –0.2 O 1 –0.3 G = +1 RF = 0Ω –0.4 V 0.1 S = ±15V –0.5
026
100k 1M 10M 100M
028
TIME (10ns/DIV)
07037-
FREQUENCY (Hz)
07037- Figure 27. Settling Time Figure 30. Output Impedance vs. Frequency Rev. E | Page 10 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