A1220, A1221,
A1222, and A1223
Chopper Stabilized Precision Hall Effect Latches
Characteristic Performance
A1220, A1221, A1222, and A1223 Electrical Characteristics
Average Supply Current (On) versus Temperature
6.0
5.5
5.0
4.5
3.0V
4.0
3.8V
3.5
4.2V
3.0
12V
2.5
24V
2.0
1.5
1.0
0.5
0.0
-60 -40 -20 0 20 40 60 80 100 120 140 160
TA (°C)
Average Supply Current (On) versus Supply Voltage
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2
6
10
14
18
22
26
VCC (V)
150°C
25°C
-40°C
Average Supply Current (Off) versus Temperature
6.0
5.5
5.0
4.5
4.0
3.5
3.0V
3.0
3.8V
4.2V
2.5
12V
2.0
24V
1.5
1.0
0.5
0.0
-60 -40 -20 0 20 40 60 80 100 120 140 160
TA (°C)
Saturation Voltage versus Temperature
300
250
200
2.6V
3.0V
3.8V
150
4.2V
12V
100
24V
50
0
-60 -40 -20 0 20 40 60 80 100 120 140 160
TA (°C)
Average Supply Current (Off) versus Supply Voltage
6.0
5.5
5.0
4.5
4.0
3.5
150°C
3.0
25°C
-40°C
2.5
2.0
1.5
1.0
0.5
0.0
2
6
10
14
18
22
26
VCC (V)
Saturation Voltage versus Supply Voltage
300
250
200
150°C
25°C
150
-40°C
100
50
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26
VCC (V)
Allegro MicroSystems, Inc.
6
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com