AS5046ASST datasheet(5/33 Pages) AMSCO

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AS5046 Programmable 360° Magnetic Angle Encoder – Preliminary Data Sheet

Revision 1.1

www.austriamicrosystems.com

Page 5 of 33

5.3.5

Digital-to-Analog Converter

Parameter

Symbol

Min

Typ

Max

Unit

Note

OTP setting

Resolution

bit

Output Range

VOUTM1

Vref

0……100% Vref (default)

ClampMdEn = 0 (default)

VOUTM2

0.10 *Vref

0.90 *Vref

10…..90% Vref

ClampMdEn = 1

Output resistance

ROut,DAC

Unbuffered Pin DACout (#10)

0.2

VDD3V3 - 0.2

DAC reference = external:

Pin: DACref (#9)

RefExt EN = 1

DAC reference voltage

(DAC full scale range)

Vref

VDD5V / 2

DAC reference = internal

RefExtEn = 0 (default)

Integral Non-Linearity

INLDAC

+/- 1.5

LSB

Differential Non-Linearity

DNLDAC

+/- 0.5

LSB

Non-Linearity of DAC and

OPAMP; -40….+125°C, For all

analog modes:

1LSB = Vref / 1024

LSB

All analog modes

Analog output hysteresis

Hyst

LSB

At 360°-0° transition,

360° mode only

OR1,OR0 = 00 (default)

5.3.6

OPAMP Output Stage

Parameter

Symbol

Min

Typ

Max

Unit

Note

Power Supply Range

VDD5V

3.0

5.5

Parallel Load Capacitance

100

Parallel Load Resistance

4.7

3.3V operation

Open Loop Gain

130

144

Offset Voltage RTI

VosOP

-5

3 sigma

Output Range Low

VoutL

0.05 * VDD5V V

Output Range High

VoutH

0.95 * VDD5V

Linear range of analog output

current capability sink

Isink

4.8

Permanent short circuit current:

Vout to VDD5V

current capability source

Isource

4.6

Permanent short circuit current:

Vout to VSS

Output noise

Vnoise

160

220

490

µVrms

Over full temperature range;

BW= 1Hz…10MHz,Gain = 2x

Internal; OTP: FB_int EN = 1

OPAMP gain (non-inverting)

Gain

External OTP: FB_int EN = 0

(default)

With external resistors, pins Vout

[#12] and FB [#11]: see

Figure 17

AS5046ASST 数据表(PDF) 5 Page - ams AG

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