A1374LKB Allegro Microsystems Inc, A1374LKB Datasheet - Page 20

• Manufacturer Part Number: A1374LKB
• Description: IC SENSOR HALL EFFECT PREC 3-SIP
• Manufacturer: Allegro Microsystems Inc
• Type: Bipolar or Unipolar, Programmabler

Specifications of A1374LKB

• Sensing Range: 1.75mV/G ~ 11.25mV/G
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 10mA
• Current - Output (max): 10mA
• Output Type: Analog, Ratiometric
• Features: High Precision
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 3-SIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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