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AS5145

Data Sheet - P i n A s s i g n m e n t s

4 Pin Assignments

Figure 2. Pin Assignments (Top View)

4.1 Pin Descriptions

The following SSOP16 shows the description of each pin of the standard SSOP16 package (Shrink Small Outline Package, 16 leads, body size:

5.3mm x 6.2mmm; (see Figure 2).

Table 1. Pin Descriptions

Pin Number

Pin Name

Description

1MagINCn

Magnet Field Magnitude INCrease; active low, indicates a distance reduction between the

magnet and the device surface. (see Table 9)

2MagDECn

Magnet Field Magnitude DECrease; active low, indicates a distance increase between the

device and the magnet. (see Table 9)

3

DTest1_A

Test output in default mode

4

DTest2_B

Test output in default mode

5NC

Must be left unconnected

6

Mode_Index

(~10k

Ω).

Negative Supply Voltage (GND)

8PDIO

OTP Programming Input and Data Input for Daisy Chain mode. Internal pull-down resistor

(~74k

Ω).

Connect to VSS if not used

9DO

Data Output of

Synchronous Serial Interface

10

CLK

Clock Input of

Synchronous Serial Interface; Schmitt-Trigger input

11

CSn

Chip Select, active low; Schmitt-Trigger input, internal pull-up resistor (~50k

Ω)

12

PWM

Pulse Width Modulation of approximately. 244Hz; 1µs/step

(optional 122Hz; 2µs/step)

13

NC

Must be left unconnected

1

2

3

4

5

6

7

8

12

16

15

14

13

MagDECn

PDIO

VSS

MagINCn

DTest1_A

DTest1_B

NC

Mode_Index

VDD3V3

VDD5V

NC

CSn

DO

CLK

11

10

9

NC

PWM