ADA4505-1/ADA4505-2/ADA4505-4

Rev. D | 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

7/10—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

7/09—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

2/09—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

10/08—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

7/08—Revision 0: Initial Version