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AS5045B

Datasheet - Pin Assignm ents

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 Name

Pin Number

Pin Type

Description

MagINCn

1

Digital output open

drain

Magnet Field Magnitude Increase. Active low. Indicates a distance

reduction between the magnet and the device surface. (see Table 8)

MagDECn

2

Magnet Field Magnitude Decrease. Active low. Indicates a distance

increase between the device and the magnet. (see Table 8)

A3

Digital output

Quadrature output A (1024 Pulses)

B4

Quadrature output B (1024 Pulses)

NC

5

-

Must be left unconnected

I

6

Digital output

Index signal for the quadrature output.

7

Supply pin

Negative Supply Voltage (GND)

PDIO

8

Digital input pull-down

OTP Programming Input and Data Input for Daisy Chain mode. Pin

has an internal pull-down resistor (74k

Ω). Connect this pin to VSS if

programming is not required.

DO

9

Digital output/ tri-state Data Output of Synchronous Serial Interface

CLK

10

Digital input, Schmitt-

Trigger input

Clock Input of Synchronous Serial Interface; Schmitt-Trigger input

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

MagINCn

MagDECn

A

B

NC

VSS

PDIO

DO

CLK

CSn

PWM

NC

NC

VDD3V3

VDD5V

I