参数资料
型号: A8904SLP-T
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 1.4 A, PDSO28
封装: 1.20 MM HEIGHT, LEAD FREE, TSSOP-28
文件页数: 16/18页
文件大小: 736K
代理商: A8904SLP-T
3-Phase Brushless DC Motor Controller/Driver
with Back EMF Sensing
A8904
7
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Serial Port Timing Conditions
A.
Minimum CHIP SELECT setup time before CLOCK rising edge ........... 100 ns
B.
Minimum CHIP SELECT hold time after CLOCK rising edge ................ 150 ns
C.
Minimum DATA setup time before CLOCK rising edge .......................... 150 ns
D.
Minimum DATA hold time after CLOCK rising edge ............................... 150 ns
E.
Minimum CLOCK low time before CHIP SELECT ................................... 50 ns
F.
Maximum CLOCK frequency ................................................................ 3.3 MHz
G.
Minimum CHIP SELECT high time ........................................................ 500 ns
Note: the A8904 can be directly used in an existing A8902–A application, as the ve most
signicant bits are reset to zero, which is the default condition for A8902–A operation. The
only consideration when using the A8904 in an A8902-A application, is to ensure the mini-
mum CHIP SELECT high time is at least 500 ns.
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