ADA4950-2 AD [Analog Devices], ADA4950-2 Datasheet - Page 2
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ADA4950-2
Manufacturer Part Number
ADA4950-2
Description
Low Power, Selectable Gain Differential ADC Driver, G = 1, 2, 3
Manufacturer
AD [Analog Devices]
Datasheet
1.ADA4950-2.pdf
(28 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADA4950-2YCPZ-R7
Manufacturer:
AD
Quantity:
3 059
ADA4950-1/ADA4950-2
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagrams ............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ............................................. 9
Test Circuits ..................................................................................... 16
Terminology .................................................................................... 17
REVISION HISTORY
5/09—Revision 0: Initial Version
±5 V Operation ............................................................................. 3
5 V Operation ............................................................................... 5
Thermal Resistance ...................................................................... 7
Maximum Power Dissipation ..................................................... 7
ESD Caution .................................................................................. 7
Rev. 0 | Page 2 of 28
Theory of Operation ...................................................................... 18
Applications Information .............................................................. 19
Layout, Grounding, and Bypassing .............................................. 23
High Performance ADC Driving ................................................. 24
Outline Dimensions ....................................................................... 25
Analyzing an Application Circuit ............................................ 19
Selecting the Closed-Loop Gain ............................................... 19
Estimating the Output Noise Voltage ...................................... 19
Calculating the Input Impedance for an Application Circuit
....................................................................................................... 20
Input Common-Mode Voltage Range ..................................... 22
Input and Output Capacitive AC Coupling ............................ 22
Input Signal Swing Considerations .......................................... 22
Setting the Output Common-Mode Voltage .......................... 22
Ordering Guide .......................................................................... 25