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AS5911

General Description

Short Datasheet

• PUBLIC

DS001049

• v1-00 • 2023-Jan-27

10

│ 5

1.3

Block Diagram

The functional blocks of this device are shown below:

Figure 2:

Functional Blocks of AS5911 for True Ground Concept

x16

Fine quantizer

A

D

16:1 Multiplexer

Decimation Filter

& Data Processing

AVDDR

AVSS

DVSS

DVDD

AVSSR

AVSS_REF

PD<0:>

Positive

LDO

Negative

LDO

AGND

ADC

Coarse Quantizer

Sample & Hold

S/H

INT

PD<15>

ADC

S/H

INT

x16

A

D

PD<240>

ADC

S/H

INT

PD<255>

ADC

S/H

INT

x16

LVDS

Interface

CLK_P/N

DATA1_P/N

DATA2_P/N

ACI_P/N

ACO_P/N

AGND_AC

Ref. Buffer

REF

Internal

Refernce

Temperature

Sensor

Register Map

&

Digital Control

SCLK

SCS_N

SDI

SDO

RESET_N

C11

C3

VREF_IN

VREF_NEG

C8/C9

C0/C6

C1/C5

C4

AVDDB

AVSSB_

PWR

Digital

LDO

C7

C10

VDD

VSS

AS5911 FBGA

AVSSB_

SP

VSSUB

ACLK

SYNC

D_START

DISCARD

Built-in

Diagnostic

Auto

Calibration

Power Supply

Monitors

Heater