AS5045-ASST datasheet(12/47 Pages) AMSCO

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ams Datasheet

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[v2-01] 2017-Jul-13

AS5045 − Timing Characteristics

Programming Conditions

tProg enable

Programming enable

time

Time between rising edge at

Prog pin and rising edge of

CSn

2μs

tData in

Write data start

μs

tData in valid

Write data valid

Write data at the rising edge

of CLK PROG

250

tLoad PROG

Load programming data

μs

tPrgR

Rise time of VPROG before

CLKPROG

0μs

tPrgH

Hold time of VPROG after

CLKPROG

μs

CLKPROG

Write data –

programming CLKPROG

Ensure that VPROG is stable

with rising edge of CLK

250

kHz

tPROG

CLK pulse width

During programming; 16

clock cycles

1.8

2.2

μs

tPROG finished

Hold time of VPROG after

programming

Programmed data is

available after next

power-on

2μs

VPROG

Programming voltage,

pin PROG

Must be switched off after

zapping

7.3

7.4

7.5

VProgOff

Programming voltage off

level

Line must be discharged to

this level

IPROG

Programming current

During programming

130

CLKAread

Analog read CLK

Analog Readback mode

100

kHz

Vprogrammed

Programmed Zener

voltage (log.1)

VRef-VPROG during Analog

Readback mode (see Analog

Readback Mode)

100

Vunprogrammed

Unprogrammed Zener

voltage (log. 0)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

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