A3957 Datasheet, Allegro

* ±1.5 A Continuous Output Current
* 50 V Output Voltage Rating
* Internal PWM Current Control
* 4-Bit Non-Linear DAC for 16-Bit Microstepping
* Satli.

section. www.allegromicro.com 3 3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER ELECTRICAL CHARACTERISTICS at TA = 2.

Slow Current-Decay Mode Mixed Current-Decay Mode Fast Current-Decay Mode Table 3 — DAC Truth Table DAC Data D3 D2 D1 D0 HHHH HHH L HH L H HHL L H L HH HLHL HL LH HL L L L HHH L HH L LHLH LHL L L LHH L LHL LLLX Current Ratio, % 100 VREF/VS 3.00 .