Contents

TSU111

2/30

DocID029790 Rev 2

Contents

1

Package pin connections................................................................ 3

2

Absolute maximum ratings and operating conditions ................. 4

3

Electrical characteristics ................................................................ 5

4

Electrical characteristic curves .................................................... 11

5

Application information ................................................................ 16

5.1

Nanopower applications .................................................................. 16

5.1.1

Schematic optimization aiming for nanopower................................. 17

5.1.2

PCB layout considerations ............................................................... 17

5.2

Rail-to-rail input ............................................................................... 18

5.3

Input offset voltage drift over temperature....................................... 18

5.4

Long term input offset voltage drift .................................................. 18

5.5

Using the TSU111 with sensors ...................................................... 20

5.5.1

Electrochemical gas sensors............................................................ 20

5.6

Fast desaturation ............................................................................ 21

5.7

Using the TSU111 in comparator mode .......................................... 21

5.8

ESD structure of the TSU111.......................................................... 22

5.9

EMI robustness of nanopower devices ........................................... 22

6

Package information ..................................................................... 23

6.1

SC70-5 (or SOT323-5) package information................................... 24

6.2

DFN6 1.2x1.3 package information................................................. 25

7

Ordering information..................................................................... 28

8

Revision history ............................................................................ 29