Continuous-Time Switch Family
A1101, A1102, A1103,
A1104, and A1106
4
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
MAGNETIC OPERATING CHARACTERISTICS
1
 over full operating voltage and ambient temperature ranges, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min.   Typ.  Max.  Units
Operate Point
B
OP
A1101
T
A
 = 25癈
50    100   160   G
Operating Temperature Range
 30   100   175   G
A1102
T
A
 = 25癈
130   180   230   G
Operating Temperature Range
115   180   245   G
A1103
T
A
 = 25癈
220   280   340   G
Operating Temperature Range
205   280   355   G
A1104
T
A
 = 25癈
70        350   G
Operating Temperature Range
35        450   G
A1106
T
A
 = 25癈
280   340   400   G
Operating Temperature Range
260   340   430   G
Release Point
B
RP
A1101
T
A
 = 25癈
10    45    130   G
Operating Temperature Range
10    45    145   G
A1102
T
A
 = 25癈
75    125   175   G
Operating Temperature Range
60    125   190   G
A1103
T
A
 = 25癈
165    225    285    G
Operating Temperature Range
150    225    300    G
A1104
T
A
 = 25癈
50        330   G
Operating Temperature Range
25        430   G
A1106
T
A
 = 25癈
180   240   300   G
Operating Temperature Range
160   240   330   G
Hysteresis
B
HYS
A1101
T
A
 = 25癈
20    55    80    G
Operating Temperature Range
20    55    80    G
A1102
T
A
 = 25癈
30    55    80    G
Operating Temperature Range
30    55    80    G
A1103
T
A
 = 25癈
30    55    80    G
Operating Temperature Range
30    55    80    G
A1104
T
A
 = 25癈
20    55        G
Operating Temperature Range
20    55        G
A1106
T
A
 = 25癈
70    105   140   G
Operating Temperature Range
70    105   140   G
1
 Magnetic flux density, B, is indicated as a negative value for north-polarity magnetic fields, and as a positive value for south-polarity magnetic fields.
This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the relative strength of the field is indicated
by the absolute value of B, and the sign indicates the polarity of the field (for example, a 100 G field and a 100 G field have equivalent strength, but
opposite polarity).
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