Datasheet

xSTEP
xDIR, xUSMx
2 3
1
4
5
ABENBLn
& CDENBLn
6
DRV8821
www.ti.com SLVS912H –JANUARY 2009–REVISED AUGUST 2013
TIMING REQUIREMENTS
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
1 f
STEP
Step frequency 200 kHz
2 t
WH(STEP)
Pulse duration, xSTEP high 2.5 μs
3 t
WL(STEP)
Pulse duration, xSTEP low 2.5 μs
4 t
SU(STEP)
Setup time, command to xSTEP rising 200 ns
5 t
H(STEP)
Hold time, command to xSTEP rising 200 ns
6 t
WAKE
Wakeup time, SLEEPn inactive to xSTEP 1 ms
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