AS5048 datasheet(9/30 Pages) AMSCO

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Revision 1.3

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AS5048A/AS5048B

Magnetic Rotary Encoder

14-bit Angular Position Sensor

Datasheet

2.4

Electrical System Specifications

VDD5V = 5V, TAmbient = -40 to +150°C unless noted otherwise

Parameter

Symbol

Min

Typ

Max

Unit

Note

Magnetic input field

Output sampling rate

fsample

10.2

11.25

12.4

kHz

Output Resolution

RES

Bit

Sensor output noise

Noise

0.06

Deg

2.73LSB@14bit, rms

value

System propagation delay

tprop

90.7

100

110.2

PWM frequency

fPWM

0.907

1.102

kHz

Non-linearity optimum placement of

magnet

INLOPT

±0.4

Deg

Assuming 8 mm

diameter of magnet

Non-linearity @displacement of

magnet

INLDIS

±0.7

Deg

Assuming 8 mm

diameter of magnet and

500 um displacement in

x and y

Non-linearity @displacement of

magnet and temperature -40 -150

degC

INLDIS+TEMP

±1.2

Deg

Assuming 8 mm

diameter of magnet and

500 um displacement in

x and y

Startup Time

tstartup

Ta ble 5 Sy stem specification

2.5

Global Timing Conditions

Parameter

Symbol

Min

Typ

Max

Unit

Note

Internal Master Clock

FOSC

4.05

4.5

4.95

MHz

±10%

TOSC

1/FOSC

Ta ble 6 Global timing conditions

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