TSZ181 datasheet(38/43 Pages) STMICROELECTRONICS

38 / 43 page

Contents

Package pin connections ..........................................................2

Absolute maximum ratings and operating conditions ..............................3

Electrical characteristics...........................................................4

Electrical characteristic curves ....................................................9

Application information ...........................................................17

5.1

Operation theory .............................................................. 17

5.1.1

Time domain ........................................................... 17

5.1.2

Frequency domain ...................................................... 18

5.2

Operating voltages ............................................................ 18

5.3

Input pin voltage ranges ........................................................ 18

5.4

Rail-to-rail input/output ......................................................... 19

5.5

Input offset voltage drift over temperature ......................................... 19

5.6

Capacitive load ............................................................... 19

5.7

PCB layout recommendations ................................................... 21

5.8

Optimized application recommendation ........................................... 21

5.9

EMI rejection ration (EMIRR).................................................... 21

5.10

1/f noise ..................................................................... 22

5.11

Overload recovery............................................................. 23

5.12

Phase reversal protection ...................................................... 23

5.13

Open loop gain close to the rail .................................................. 24

5.14

Application examples .......................................................... 24

5.14.1

Measuring gas concentration using the NDIR principle (thermopile) ................. 24

5.14.2

Precision instrumentation amplifier .......................................... 25

5.14.3

Low-side current sensing ................................................. 26

Package information..............................................................28

6.1

DFN6 1.2x1.3 package information............................................... 28

6.2

DFN8 2 x 2 package information................................................. 30

6.3

MiniSO8 package information ................................................... 32

6.4

SO-8 package information ...................................................... 33

TSZ181, TSZ182

Contents

DS11863 - Rev 5

page 38/43

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