ADA4505-1/ADA4505-2/ADA4505-4

Data Sheet

Rev. E | Page 2 of 24

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Pin Configurations ........................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Electrical Characteristics—1.8 V Operation ............................ 3

Electrical Characteristics—5 V Operation................................ 4

Absolute Maximum Ratings............................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution...................................................................................5

Typical Performance Characteristics ..............................................6

Theory of Operation ...................................................................... 14

Applications Information .............................................................. 16

Pulse Oximeter Current Source ............................................... 16

Four-Pole, Low-Pass Butterworth Filter for Glucose Monitor

....................................................................................................... 17

Outline Dimensions....................................................................... 18

Ordering Guide .......................................................................... 21

REVISION HISTORY

8/2017—Rev. D to Rev. E

Updated Outline Dimensions....................................................... 18

7/2010—Rev. C to Rev. D

Added 6-Ball WLCSP, ADA4505-1..................................Universal

Moved Electrical Characteristics—1.8 V Operation Section .... 3

Changes to Large Signal Voltage Gain Parameter, Table 1.......... 3

Moved Electrical Characteristics—5 V Operation Section ....... 4

Changes to Large Signal Voltage Gain Parameter, Table 2.......... 4

Changes to Thermal Resistance Section and Table 4................... 5

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide .......................................................... 21

7/2009—Rev. B to Rev. C

Added 5-Lead SOT-23 (ADA4505-1)......................... Throughout

Changes to Supply Current per Amplifier Parameter, Table 1 ... 3

Changes to Supply Current per Amplifier Parameter, Table 2... 4

Changes to Figure 26 and Figure 29............................................... 9

Changes to Figure 31 and Figure 34............................................. 10

Changes to Figure 42 and Figure 45............................................. 12

Added Figure 49 and Figure 51; Renumbered Sequentially ..... 13

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide .......................................................... 20

2/2009—Rev. A to Rev. B

Added 14-Ball WLCSP (ADA4505-4) ........................ Throughout

Changes to Thermal Resistance Section........................................ 5

Changes to Figure 17, Figure 18, Figure 20, and Figure 21......... 8

Changes to Figure 42 and Figure 45............................................. 12

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide .......................................................... 20

10/2008—Rev. 0 to Rev. A

Added 8-Ball WLCSP (ADA4505-2) and 14-Lead TSSOP

(ADA4505-4) ................................................................. Throughout

Change to Features Section..............................................................1

Added Figure 2 and Figure 3; Renumbered Sequentially ............1

Changes to Table 1.............................................................................3

Changes to Table 2.............................................................................4

Changes to Thermal Resistance Section ........................................5

Changes to Figure 22 and Figure 25 ...............................................9

Changes to Figure 40 and Figure 43 ............................................ 12

Deleted Figure 46 and Figure 48; Renumbered Sequentially ... 13

Change to Theory of Operation Section ..................................... 14

Changes to Figure 52...................................................................... 16

Change to Four-Pole Low-Pass Butterworth Filter

for Glucose Monitor Section......................................................... 17

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide.......................................................... 19

7/2008—Revision 0: Initial Version