AS5161

Datasheet - Application In form atio n

www.ams.com

Revision 1.1

16 - 35

9 Application Information

9.1 Recommended Application Schematic

Figure 11 shows the recommended schematic in the application. All components marked with (*) are optional and can be used to further increase

the EMC.

Figure 11. Recommended Schematic Pull-Up Configuration

Table 11. External Components

Symbol

Parameter

Min

Typ

Max

Unit

Note

VDD buffer capacitor

0.8

1

1.2

µF

Low ESR 0.3

Ω

VDD3V3 regulator capacitor

0.8

1

1.2

µF

Low ESR 0.3

Ω

OUT load capacitor (sensor PCB)

0

4.7

nF

*

VDD capacitor (optional)

4.7

nF

Do not increase due to

programming over output.

*

VDD serial resistor (optional)

10

Ω

OUT load capacitor (ECU)

0

33

nF

OUT pull-up resistance

1

10

k

Ω

AS5161

VDD

TP1

VDD3V3

GND

TP2

TP3

S

OUT

Sensor PCB

Electric Control Unit

VDD

GND

OUT