AS5047U-HTST datasheet(11/51 Pages) AMSCO

No de pièce	AS5047U-HTST

Description	14-Bit On-Axis Magnetic Rotary Position Sensor with Up to 14-Bit Binary Incremental Pulse Count

PDF	51 Pages

Scroll/Zoom	100%

Fabricant	AMSCO [ams AG]

Site Internet	http://www.ams.com

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11 / 51 page

ams Datasheet

Page 11

[v1-00] 2018-Oct-30

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AS5047U − Detailed Description

Power Management

The AS5047U can be either powered from a 5.0V supply using

the on-chip low-dropout regulator or from a 3.3V voltage

supply. The LDO regulator is not intended to power any other

loads, and it needs a 1

μF capacitor to ground located close to

chip for decoupling as shown in Figure 11.

In 3.3.V operation, VDD and VREG shall connected together. In

this configuration, normal noise performance (ONL) is available

at reduced maximum temperature (125°C) by clearing

NOISESET to 0. When NOISESET is set to 1, the full temperature

range is available with reduced noise performance (ONH).

Figure 10:

Temperature Range and Output Noise Without Filtering in 3.3V and 5.0V Mode

Figure 11:

5.0V and 3.3V Power Supply Options

VDD (V)

NOISESET

Temperature Range (°C)

RMS Output Noise (degree)

5.0

-40 to 150

0.068

3.3

-40 to 125

0.068

3.3

-40 to 150

0.082

VDD3V3

1uF

LDO

AS5 47U

5.0V Operation

VDD

GND

100nF

3.0 – 3.6V

VDD3V3

LDO

AS5 47U

3.3 V Operation

VDD

GND

100nF

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