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參數(shù)資料
| 型號： | A3150JLT |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | IC SENSOR TOUCH/PROX 1CHAN 8DIP |
| 中文描述： | 可編程，CHOPPERSTABILIZED，霍爾效應(yīng)開關(guān) |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 100K |
| 代理商： | A3150JLT |
3150
PROGRAMMABLE, CHOPPER-
STABILIZED, PRECISION,
HALL-EFFECT SWITCH
www.allegromicro.com
* In application, the terms “gear” and “target” are often
interchanged. However, “gear” is preferred when motion
is transferred.
Address Determination. The operate point is adjust-
able in 64 increments. With the appropriate target or gear*
in position, the 64 switch points are sequentially selected
(figure 2) until the required operate point is reached. Note
that the difference between the operate point and the
release point (hysteresis) is a constant for all addresses.
Set-Point Programming. After the desired set-point
address is determined (0 through 63), each bit of the
equivalent binary address is programmed individually. For
example, as illustrated in figure 3, to program address code
5 (binary 000101), bits 1 and 3 need to be programmed.
Each bit is programmed during the
wide V
PP pulse and is not reversible.
Lock Programming. After the desired set point is
programmed, the program lock is then activated (figure 4)
to prevent further programming of the device.
VPH
VPL
0
td(1)
td(0)
Dwg. WH-014
ADDRESS
0
ADDRESS
1
ADDRESS
2
ADDRESS
N
(UP
TO
63)
ADDRESS
N-1
ADDRESS
N-2
Figure 2 — Address determination
Figure 4 — Lock programming
VPP
VPH
VPL
0
td(1)
td(0)
Dwg. WH-016
tdP
PROGRAM ENABLE
LOCK PROGRAM
(65 PULSES)
td(1)
Figure 3 — Set-point programming
VPP
VPH
VPL
0
td(1)
td(0)
Dwg. WH-015
PROGRAM ENABLE
BIT
1
PROGR
A
BIT 3 PROGRAM
(000100)
ADDRESS 4
tdP
PROGRAM ENABLE
td(1)
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| A3150JUA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:PROGRAMMABLE, CHOPPERSTABILIZED, HALL-EFFECT SWITCH |
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