Contents

TSZ121, TSZ122, TSZ124

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DocID023563 Rev 5

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

5.1

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

5.1.1

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

5.1.2

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

5.2

Operating voltages .......................................................................... 19

5.3

Input pin voltage ranges .................................................................. 19

5.4

Rail-to-rail input ............................................................................... 19

5.5

Input offset voltage drift over temperature....................................... 20

5.6

Rail-to-rail output............................................................................. 20

5.7

Capacitive load................................................................................ 20

5.8

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

5.9

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

5.10

EMI rejection ration (EMIRR) .......................................................... 22

5.11

Application examples ...................................................................... 22

5.11.1

Oxygen sensor ................................................................................. 22

5.11.2

Precision instrumentation amplifier .................................................. 23

5.11.3

Low-side current sensing.................................................................. 24

6

Package information ..................................................................... 25

6.1

SC70-5 (or SOT323-5) package information................................... 26

6.2

SOT23-5 package information ........................................................ 27

6.3

DFN8 2x2 package information....................................................... 29

6.4

MiniSO8 package information ......................................................... 31

6.5

SO8 package information................................................................ 32

6.6

QFN16 3x3 package information..................................................... 33

6.7

TSSOP14 package information....................................................... 35

7

Ordering information..................................................................... 36

8

Revision history ............................................................................ 37