Datasheet

DRV8825
www.ti.com SLVSA73E –APRIL 2010–REVISED AUGUST 2013
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range of -40°C to 85°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
A
ISENSE
Current sense amplifier gain Reference only 5 V/V
TIMING REQUIREMENTS
MIN MAX UNIT
1 f
STEP
Step frequency 250 kHz
2 t
WH(STEP)
Pulse duration, STEP high 1.9 μs
3 t
WL(STEP)
Pulse duration, STEP low 1.9 μs
4 t
SU(STEP)
Setup time, command to STEP rising 650 ns
5 t
H(STEP)
Hold time, command to STEP rising 650 ns
6 t
ENBL
Enable time, nENBL active to STEP 650 ns
7 t
WAKE
Wakeup time, nSLEEP inactive to STEP 1.7 ms
Figure 1. Timing Diagram
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