Datasheet ADA4930-1/ADA4930-2 (Analog Devices) - 10

ADA4930-1/ADA4930-2 Data Sheet 3 6 VIN = 100mV p-p VIN = 2V p-p ) 0 3 dB ( –3 0 IN ) GA –3 –6 RL = 1kΩ dB RL = 1kΩ R ( L = 200Ω IN R –6 L = 200Ω –9 LOOP D GA –9 E –12 –12 LOS -LOOP C –15 D D E –15 –18 LIZE LOS –18 A C M –21 –21 OR N –24 –24 –27 –27 1M 10M 100M 1G 10G
013
1M 10M 100M 1G 10G
016
FREQUENCY (Hz) FREQUENCY (Hz)
09209- 09209- Figure 13. Small Signal Frequency Response for RL = 200 Ω and RL = 1 kΩ Figure 16. Large Signal Frequency Response for RL = 200 Ω and RL = 1 kΩ
0.4 3 VIN = 100mV 2 0.3 ADA4930-2, 200Ω, OUT 1 1 0.2 ADA4930-2, 200Ω, OUT 2 ADA4930-1, 200Ω ADA4930-1, 1kΩ 0 B) d 0.1 ADA4930-2, 1kΩ, OUT 1 ADA4930-2, 1kΩ, OUT 2 N ( B) –1 d AI G 0 N ( AI –2 G –0.1 –3 –0.2 –4 –0.3 –5 –6 –0.4 1M 10M 100M 1M 10M 100M 1G
017
1G
014
FREQUENCY (Hz) FREQUENCY (Hz)
09209- 09209- Figure 14. VOCM Small Signal Frequency Response Figure 17. Small Signal 0.1 dB Flatness vs. Frequency for RL = 200 Ω and RL = 1 kΩ
–40 –50 –50 –60 HD2, GAIN = 1 –60 HD3, GAIN = 1 ) ) c HD2, GAIN = 2 c –70 –70 dB HD3, GAIN = 2 dB ( HD2, GAIN = 5 ( HD2, RL = 200Ω HD3, GAIN = 5 HD3, RL = 200Ω –80 –80 TION TION HD2, RL = 1kΩ HD3, R OR OR L = 1kΩ T T S –90 S DI –90 DI –100 –100 –110 –120 –110 1M 10M 100M 200M
015
1M 10M 100M 200M
018
FREQUENCY (Hz) FREQUENCY (Hz)
09209- 09209- Figure 15. Harmonic Distortion vs. Frequency Figure 18. Harmonic Distortion vs. Frequency for Gain = 1, Gain = 2, and Gain = 5 for RL = 200 Ω and RL = 1 kΩ Rev. C | Page 10 of 25 Document Outline Features Applications General Description Functional Block Diagrams Revision History Specifications 3.3 V Operation 3.3 V VOCM to VO, cm Performance 3.3 V General Performance 5 V Operation 5 V VOCM to VO, cm Performance 5 V General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Operational Description Definition of Terms Differential Voltage Common-Mode Voltage Balance Theory of Operation Analyzing an Application Circuit Setting the Closed-Loop Gain Estimating the Output Noise Voltage Impact of Mismatches in the Feedback Networks Input Common-Mode Voltage Range Minimum RG Value Setting the Output Common-Mode Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Terminating a Single-Ended Input in a Single-Supply Applications Input Common-Mode Adjustment with DC Biased Source Input Common-Mode Adjustment with Resistors Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide