Datasheet ADA4950-1/ADA4950-2 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Low Power Selectable Gain Differential ADC Driver, G = 1, 2, 3 |
| 页数 / 页 | 26 / 2 — ADA4950-1/ADA4950-2. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY … |
| 修订版 | B |
| 文件格式/大小 | PDF / 608 Kb |
| 文件语言 | 英语 |
ADA4950-1/ADA4950-2. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/15—Rev. A to Rev. B. 3/13—Rev. 0 to Rev. A
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ADA4950-1/ADA4950-2 Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 18 Applications ... 1 Applications Information .. 19 General Description ... 1 Analyzing an Application Circuit .. 19 Functional Block Diagrams ... 1 Selecting the Closed-Loop Gain ... 19 Revision History ... 2 Estimating the Output Noise Voltage .. 19 Specifications ... 3 Calculating the Input Impedance for an Application ±5 V Operation ... 3 Circuit .. 20 5 V Operation ... 5 Input Common-Mode Voltage Range ... 22 Absolute Maximum Ratings .. 7 Input and Output Capacitive AC Coupling .. 22 Thermal Resistance .. 7 Input Signal Swing Considerations .. 22 Maximum Power Dissipation ... 7 Setting the Output Common-Mode Voltage .. 22 ESD Caution .. 7 Layout, Grounding, and Bypassing .. 23 Pin Configurations and Function Descriptions ... 8 High Performance ADC Driving ... 24 Typical Performance Characteristics ... 9 Outline Dimensions ... 25 Test Circuits ... 16 Ordering Guide .. 25 Terminology .. 17
REVISION HISTORY 10/15—Rev. A to Rev. B
Changed CP-16-2 to CP-16-21 ... Universal Changes to Figure 1 .. 1 Changes to Figure 5 .. 8 Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 25
3/13—Rev. 0 to Rev. A
Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 25
5/09—Revision 0: Initial Version
Rev. B | Page 2 of 26 Document Outline Features Applications General Description Functional Block Diagrams Table of Contents Revision History Specifications ±5 V Operation Differential Inputs to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance 5 V Operation Differential Inputs to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Terminology Theory of Operation Applications Information Analyzing an Application Circuit Selecting the Closed-Loop Gain Estimating the Output Noise Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Input Common-Mode Voltage Range Input and Output Capacitive AC Coupling Input Signal Swing Considerations Setting the Output Common-Mode Voltage Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide
ADA4950-1/ADA4950-2 Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 18 Applications ... 1 Applications Information .. 19 General Description ... 1 Analyzing an Application Circuit .. 19 Functional Block Diagrams ... 1 Selecting the Closed-Loop Gain ... 19 Revision History ... 2 Estimating the Output Noise Voltage .. 19 Specifications ... 3 Calculating the Input Impedance for an Application ±5 V Operation ... 3 Circuit .. 20 5 V Operation ... 5 Input Common-Mode Voltage Range ... 22 Absolute Maximum Ratings .. 7 Input and Output Capacitive AC Coupling .. 22 Thermal Resistance .. 7 Input Signal Swing Considerations .. 22 Maximum Power Dissipation ... 7 Setting the Output Common-Mode Voltage .. 22 ESD Caution .. 7 Layout, Grounding, and Bypassing .. 23 Pin Configurations and Function Descriptions ... 8 High Performance ADC Driving ... 24 Typical Performance Characteristics ... 9 Outline Dimensions ... 25 Test Circuits ... 16 Ordering Guide .. 25 Terminology .. 17
REVISION HISTORY 10/15—Rev. A to Rev. B
Changed CP-16-2 to CP-16-21 ... Universal Changes to Figure 1 .. 1 Changes to Figure 5 .. 8 Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 25
3/13—Rev. 0 to Rev. A
Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 25
5/09—Revision 0: Initial Version
Rev. B | Page 2 of 26 Document Outline Features Applications General Description Functional Block Diagrams Table of Contents Revision History Specifications ±5 V Operation Differential Inputs to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance 5 V Operation Differential Inputs to VOUT, dm Performance VOCM to VOUT, cm Performance General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Terminology Theory of Operation Applications Information Analyzing an Application Circuit Selecting the Closed-Loop Gain Estimating the Output Noise Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Input Common-Mode Voltage Range Input and Output Capacitive AC Coupling Input Signal Swing Considerations Setting the Output Common-Mode Voltage Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide