AS5912

General description

Short Datasheet

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DS001050

• v1-00 • 2024-Feb-16

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1.3

Block diagram and cross section

The functional blocks of this device are shown below:

Figure 1: Functional blocks of AS5912 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<495>

ADC

S/H

INT

PD<511>

ADC

S/H

INT

x32

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

AS5912 FBGA

AVSSB_

SP

VSSUB

ACLK

SYNC

D_START

DISCARD

Built-in

Diagnostic

Auto

Calibration

Power Supply

Monitors

Heater