Contents

TSZ182

2/39

DocID029836 Rev 1

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 ................................................................ 19

5.1

Operation theory ............................................................................. 19

5.1.1

Time domain ..................................................................................... 19

5.1.2

Frequency domain............................................................................ 20

5.2

Operating voltages .......................................................................... 21

5.3

Input pin voltage ranges .................................................................. 21

5.4

Rail-to-rail input/output .................................................................... 21

5.5

Input offset voltage drift over temperature....................................... 22

5.6

Capacitive load................................................................................ 22

5.7

PCB layout recommendations......................................................... 24

5.8

Optimized application recommendation .......................................... 24

5.9

EMI rejection ration (EMIRR) .......................................................... 25

5.10

1/f noise .......................................................................................... 26

5.11

Overload recovery........................................................................... 27

5.12

Phase reversal protection ............................................................... 28

5.13

Open loop gain close to the rail....................................................... 29

5.14

Application examples ...................................................................... 29

5.14.1

Measuring gas concentration using the NDIR principle (thermopile)29

5.14.2

Precision instrumentation amplifier .................................................. 31

5.14.3

Low-side current sensing.................................................................. 32

6

Package information ..................................................................... 33

6.1

DFN8 2x2 package information....................................................... 34

6.2

MiniSO8 package information ......................................................... 36

7

Ordering information..................................................................... 37

8

Revision history ............................................................................ 38