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| DRV8834 Datasheet, PDF (7/30 Pages) Texas Instruments – DUAL BRIDGE STEPPER OR DC MOTOR DRIVER | |||
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DRV8834
www.ti.com
SLVSB19A â FEBRUARY 2012 â REVISED MARCH 2012
ELECTRICAL CHARACTERISTICS (continued)
TA = 25°C, over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
tTSD
Thermal shutdown temperature
CURRENT CONTROL
Die temperature
IREF
VTRIP
AISENSE
VREF input current
xISEN trip voltage
Current sense amplifier gain
VREF = 3.3 V
For 100% current step
Reference only
MIN
TYP
MAX UNIT
150
160
180
°C
-1
400
5
1
µA
mV
V/V
TIMING REQUIREMENTS
TA = 25°C, over operating free-air temperature range (unless otherwise noted)
NO.
PARAMETER
CONDITIONS
1
fSTEP
2
tWH(STEP)
3
tWL(STEP)
4
tSU(STEP)
5
tH(STEP)
6
tWAKE
Step frequency
Pulse duration, STEP high
Pulse duration, STEP low
Setup time, command to STEP rising
Hold time, command to STEP rising
Wakeup time, nSLEEP inactive to STEP
MIN
MAX UNIT
250 kHz
1.9
µs
1.9
µs
200
ns
1
µs
1
ms
STEP
1
2
3
DIR, M0, M1
45
nSLEEP
6
Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): DRV8834
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