AMIS-30621 Datasheet, PDF (6/43 Pages) AMI SEMICONDUCTOR – LIN Microstepping Motordriver

AMIS-30621 LIN Microstepping Motordriver
Data Sheet
6.0 AC Parameters
The AC parameters are given for Vbb and temperature in their operating ranges.
Symbol
Power-up
Pin(s)
Parameter
Tpu
Power-up time
Internal Oscillator
Fosc
Frequency of internal oscillator
LIN Transmitter
Slope_F/R
Slope falling (or rising) edge
t_slope_F/R
LIN
Slope time falling (or rising) edge
T_tr_F
Propagation delay TxD low to bus
T_tr_R
Propagation delay TxD high to bus
t_slope_Sym
Slope time symmetry
Tsym_tr
Transmitter delay symmetry
LIN Receiver
T_rec_F
Propagation delay bus dominant
to TxD low
T_rec_R
LIN
Propagation delay bus recessive
to TxD high
Tsym,Rec
Receiver delay symmetry
Twake
Wake-up delay time
Switch Input and Hardwire Address Input
Tsw
SWI
Scan pulse period (1)
Tsw_on
HW2
Scan pulse duration
Motordriver
Fpwm
PWM frequency (1)
Tbrise
MOTxx Turn-on transient time
Tbfall
Turn-off transient time
Charge Pump
FCP
CPN
CPP
Charge pump frequency (1)
Note
(1) Derived from the internal oscillator.
Test Conditions
Between 40% and 60%
Extrapolated
t_slope_F – t_slope_R
T_tr_F – T_tr_R
Between 10% and 90%
Min Typ
3.6
4.0
0.1
2.6
0.1
1
0.1
1
-4
-2
0.1
4
0.1
4
-2
50
100
1024
1/16
18
20
350
250
250
Max
10
4.4
3
22.5
4
4
4
2
6
6
2
200
22
Unit
ms
MHz
V/µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
Tsw
kHz
ns
ns
kHz
AMI Semiconductor - Rev. 1.4
www.amis.com
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