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High Precision, Output Pin Programmable
Linear Hall Effect Sensor ICs
A1373 and
A1374
19
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Programming Logic
Binary Bitfield Address    Decimal Equivalent Code
Description
QVO Coarse register
00
 0
V
OUT(Q)
 mid range
01
 1
V
OUT(Q)
 low range
10
 2
V
OUT(Q)
 high range
11
 3
Register wraps to 00
QVO Fine register
000000000
 0
Initial value in selected QVO Coarse range
111111111
 511
Maximum value in selected QVO Coarse range
Sens. Coarse register
00
 0
Sens low range
01
 1
Sens mid range
10
 2
Sens high range
11
 3
Register wraps to 00
Sens. Fine register
00000000
 0
Initial value in selected Sens. Coarse range
11111111
 255
Maximum value in selected Sens. Coarse range
TC Register register (See also chart Sensitivity Temperature Coefficient Code Profile in Typical Characteristics section)
00000
 0
initial TC
00001 through 01011
1 through 11
Positive TC programming range
01100 through 01111
12 through 15
Unused: equal to codes 4 to 7, respectively
10000 through 11011
16 through 27
Negative TC prgramming range; Value for 16 equals 1 step
less than the value for the Initial TC Value (00000)
11100 through 11111
28 through 31
Unused: equal to codes 20 to 23, respectively
Clamp Bit register
00
 0
Rail-to-rail output swing
01
 1
0.5 V and V
CC
 0.5V rails
10
 2
1 V and V
CC
 1 V rails
00
  3
Register wraps to 00
Polarity Bit register
0
 0
Positive (V
OUT
 increases when a positive (south) magnetic
field is applied to the device )
1
 1
Negative (V
OUT
 increases when a negative (north) magnetic
field is applied to the device )
Lock Bit register
0
0
Unlocked
1
1
Locked (register 0, bitfield 1)
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A1374EKBTI 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Precision, Output Pin Programmable Linear Hall Effect Sensors
A1374EKBTI-T 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:High Precision, Output Pin Programmable Linear Hall Effect Sensors
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