AMIS-30621 datasheet(6/43 Pages) AMI

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AMIS-30621 LIN Microstepping Motordriver

Data Sheet

AMI Semiconductor - Rev. 1.4

www.amis.com

6.0 AC Parameters

Symbol

Pin(s)

Parameter

Test Conditions

Min

Typ

Max

Unit

Power-up

Tpu

Power-up time

Internal Oscillator

Fosc

Frequency of internal oscillator

3.6

4.0

4.4

MHz

LIN Transmitter

Slope_F/R

Slope falling (or rising) edge

Between 40% and 60%

0.1

V/µs

t_slope_F/R

LIN

Slope time falling (or rising) edge

Extrapolated

2.6

22.5

µs

T_tr_F

Propagation delay TxD low to bus

0.1

µs

T_tr_R

Propagation delay TxD high to bus

0.1

µs

t_slope_Sym

Slope time symmetry

t_slope_F – t_slope_R

-4

µs

Tsym_tr

Transmitter delay symmetry

T_tr_F – T_tr_R

-2

µs

LIN Receiver

T_rec_F

Propagation delay bus dominant

0.1

µs

to TxD low

T_rec_R

LIN

Propagation delay bus recessive

0.1

µs

to TxD high

Tsym,Rec

Receiver delay symmetry

-2

µs

Twake

Wake-up delay time

100

200

µs

Switch Input and Hardwire Address Input

Tsw

SWI

Scan pulse period (1)

1024

µs

Tsw_on

HW2

Scan pulse duration

1/16

Tsw

Motordriver

Fpwm

PWM frequency (1)

kHz

Tbrise

MOTxx

Turn-on transient time

Between 10% and 90%

350

Tbfall

Turn-off transient time

250

Charge Pump

FCP

CPN

Charge pump frequency (1)

250

kHz

CPP

The AC parameters are given for Vbb and temperature in their operating ranges.

Note

(1) Derived from the internal oscillator.

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