ADA4941-1 Analog Devices, ADA4941-1 Datasheet - Page 2

• Manufacturer Part Number: ADA4941-1
• Description: Single Supply Differential 18-Bit ADC Driver
• Manufacturer: Analog Devices

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ADA4941-1
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ...................................................................... 15
REVISION HISTORY
3/09—Rev. 0 to Rev. A
Change to Gain Error Drift Parameter, Table 1 ............................ 3
Change to Gain Error Drift Parameter, Table 2 ............................ 4
Change to Gain Error Drift Parameter, Table 3 ............................ 5
Updated Outline Dimensions ....................................................... 23
4/06—Revision 0: Initial Version
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Basic Operation .......................................................................... 15
DC Error Calculations ............................................................... 16
Rev. A | Page 2 of 24
Applications ..................................................................................... 20
Outline Dimensions ....................................................................... 23
Output Voltage Noise ................................................................. 17
Frequency Response vs. Closed-Loop Gain ........................... 19
Overview ..................................................................................... 20
Using the REF Pin ...................................................................... 20
Internal Feedback Network Power Dissipation ...................... 20
Disable Feature ........................................................................... 20
Adding a 3-Pole, Sallen-Key Filter ........................................... 21
Driving the AD7687 ADC ........................................................ 22
Gain of −2 Configuration .......................................................... 22
Ordering Guide .......................................................................... 23