AD8138
TABLE OF CONTENTS
Features .............................................................................................. 1
Theory of Operation ...................................................................... 17
Analyzing an Application Circuit ............................................ 17
Setting the Closed-Loop Gain .................................................. 17
Estimating the Output Noise Voltage...................................... 17
The Impact of Mismatches in the Feedback Networks......... 18
Calculating an Application Circuit’s Input Impedance......... 18
Applications....................................................................................... 1
Pin Configuration............................................................................. 1
Typical Application Circuit ............................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
DIN to OUT Specifications...................................................... 3
VOCM to OUT Specifications ..................................................... 4
DIN to OUT Specifications...................................................... 5
VOCM to OUT Specifications ..................................................... 6
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
Test Circuits..................................................................................... 15
Operational Description................................................................ 16
Definition of Terms.................................................................... 16
Input Common-Mode Voltage Range in Single-Supply
Applications ................................................................................ 18
Setting the Output Common-Mode Voltage.......................... 18
Driving a Capacitive Load......................................................... 18
Layout, Grounding, and Bypassing.............................................. 19
Balanced Transformer Driver....................................................... 20
High Performance ADC Driving ................................................. 21
3 V Operation ................................................................................. 22
Outline Dimensions....................................................................... 23
Ordering Guide .......................................................................... 23
REVISION HISTORY
7/02—Rev. C to Rev. D
Addition of TPC 35 and TPC 36.....................................................8
1/06—Rev. E to Rev. F
Changes to Features.......................................................................... 1
Added Thermal Resistance Section and Maximum Power
Dissipation Section........................................................................... 7
Changes to Balanced Transformer Driver Section..................... 20
Changes to Ordering Guide .......................................................... 23
6/01—Rev. B to Rev. C
Edits to Specifications ......................................................................2
Edits to Ordering Guide ...................................................................4
12/00—Rev. A to Rev. B
9/99—Rev. 0 to Rev. A
3/03—Rev. D to Rev. E
3/99—Rev. 0: Initial Version
Changes to Specifications................................................................ 2
Changes to Ordering Guide ............................................................ 4
Changes to TPC 16........................................................................... 6
Changes to Table I ............................................................................ 9
Added New Paragraph after Table I............................................. 10
Updated Outline Dimensions....................................................... 14
Rev. F | Page 2 of 24
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