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Continuous-Time Latch Family
A1210, A1211,
A1212, A1213,
and A1214 
4
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) REQUIREMENTS
Contact Allegro for information.
OPERATING CHARACTERISTICS over full operating voltage and ambient temperature ranges, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min.  Typ.  Max.  Units
Electrical Characteristics
Supply Voltage
1
V
CC
Operating, T
J
 < 165癈
3.8        24    V
Output Leakage Current
I
OUTOFF
V
OUT
 = 24 V, B < B
RP
        10   糀
Output On Voltage
V
OUT(SAT)
I
OUT
 = 20 mA, B > B
OP
    215   400   mV
Power-On Time
2
t
PO
Slew rate (dV
CC
/dt) < 2.5 V/約, B > B
OP
 + 5 G or
B < B
RP
  5 G
        4    約
Output Rise Time
3
t
r
V
CC
 = 12 V, R
LOAD
 = 820 ? C
S
  = 12 pF
        400   ns
Output Fall Time
3
t
f
V
CC
 = 12 V, R
LOAD
 = 820 ? C
S
  = 12 pF
        400   ns
Supply Current
I
CCON
B > B
OP
    4.1   7.5   mA
I
CCOFF
B < B
RP
    3.8   7.5   mA
Reverse Battery Current
I
RCC
V
RCC
 = 30 V
        10   mA
Supply Zener Clamp Voltage
V
Z
I
CC
 = 10.5 mA; T
A
 = 25癈
32            V
Supply Zener Current
4
I
Z
V
Z
 = 32 V; T
A
 = 25癈
       10.5   mA
Magnetic Characteristics
5
Operate Point
B
OP
A1210
South pole adjacent to branded face
of device
25    78   150   G
A1211
15    87   180
G
A1212
50   107   175   G
A1213
80        200   G
A1214
140        300   G
Release Point
B
RP
A1210
North pole adjacent to branded face
of device
150  78   25   G
A1211
180  95   15
G
A1212
175  117  50   G
A1213
200       80
G
A1214
300      140   G
Hysteresis
B
HYS
A1210
B
OP
 B
RP
50   155    
G
A1211
80   180        G
A1212
100   225   350   G
A1213
160        400   G
A1214
280        600   G
1
 Maximum voltage must be adjusted for power dissipation and junction temperature, see Power Derating section.
2
 For V
CC
 slew rates greater than 250 V/約, and T
A
 = 150癈, the Power-On Time can reach its maximum value.
3
 C
S
 =oscilloscope probe capacitance.
4
 Maximum current limit is equal to the maximum I
CC(max)
 + 3 mA.
5
 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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