AD8138AR Analog Devices Inc, AD8138AR Datasheet - Page 2

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AD8138AR

Manufacturer Part Number
AD8138AR
Description
IC,Differential Amplifier,BIPOLAR,SOP,8PIN,PLASTIC
Manufacturer
Analog Devices Inc
Type
ADC Driverr
Datasheet

Specifications of AD8138AR

Rohs Status
RoHS non-compliant
Design Resources
DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7352 (CN0040) DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7356 (CN0041) DC-Coupled, Single-Ended-to-Differential Conversion Using AD8138 and AD7357 (CN0061)
Applications
Data Acquisition
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status

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AD8138
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configuration............................................................................. 1
Typical Application Circuit ............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
Test Circuits..................................................................................... 15
Operational Description................................................................ 16
REVISION HISTORY
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
3/03—Rev. D to Rev. E
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
±D
V
±D
V
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Definition of Terms.................................................................... 16
OCM
OCM
IN
IN
to ±OUT Specifications...................................................... 3
to ±OUT Specifications...................................................... 5
to ±OUT Specifications ..................................................... 4
to ±OUT Specifications ..................................................... 6
Rev. F | Page 2 of 24
Theory of Operation ...................................................................... 17
Layout, Grounding, and Bypassing.............................................. 19
Balanced Transformer Driver ....................................................... 20
High Performance ADC Driving ................................................. 21
3 V Operation ................................................................................. 22
Outline Dimensions ....................................................................... 23
7/02—Rev. C to Rev. D
Addition of TPC 35 and TPC 36 .....................................................8
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
3/99—Rev. 0: Initial Version
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
Input Common-Mode Voltage Range in Single-Supply
Applications ................................................................................ 18
Setting the Output Common-Mode Voltage .......................... 18
Driving a Capacitive Load......................................................... 18
Ordering Guide .......................................................................... 23

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