AS5035 datasheet(13/17 Pages) AMSCO

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AS5035 – 64 PPR INCREMENTAL MAGNETIC ROTARY ENCODER

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12.6 Timing Characteristics

Parameter

Symbol

Min

Typ

Max

Unit Note

Power-up time

tPwrUp

until internal offset compensation is finished

500

if CSn is high during power up:

= Time after tPwrUp from first falling edge of CSn to

valid incremental outputs.

Incremental outputs valid after power-up t

Incremental

outputs valid

If CSn is low during power up:

Incremental outputs are valid as soon as tPwrUp is

expired

System propagation delay

192

µs

Calculation over two samples

Sampling rate

9.5

10.5

kHz

Internal sampling rate

12.7 Incremental Output Signal Tolerances

See Table 3 on page 9

12.8 Programming Conditions

(operating conditions: Tamb = -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless otherwise noted)

Parameter

Symbol

Min

Typ

Max

Unit

Note

Programming enable time

t Prog enable

µs

Time between rising edge at Prog

pin and rising edge of CSn

Write data start

t Data in

µs

Write data valid

t Data in valid

250

Write data at the rising edge of

CLKPROG

Load programming data

t Load PROG

µs

Rise time of VPROG before CLK PROG

t PrgR

µs

Hold time of VPROG after CLK PROG

t PrgH

µs

Write data – programming CLK PROG

CLK PROG

250

kHz

CLK pulse width

t PROG

1.8

2.2

µs

During programming; 16 clock cycles

Hold time of Vprog after

programming

t PROG

finished

µs

Programmed data is available after

next power-on

Programming voltage

V PROG

7.3

7.4

7.5

Must be switched off after zapping

Programming voltage off level

V ProgOff

Line must be discharged to this level

Programming current

I PROG

130

During programming

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