A1174 Datasheet, PDF (5/13 Pages) Allegro MicroSystems – Ultrasensitive Hall Effect Latch with Internally or Externally Controlled Sample and Sleep Periods for Track Ball and Scroll Wheel Applications

A1174
Ultrasensitive Hall Effect Latch
with Internally or Externally Controlled Sample and Sleep Periods
for Track Ball and Scroll Wheel Applications
Characteristic Performance
Saturation Voltage versus Temperature
300
Saturation Voltage versus Supply Voltage
300
250
200
150
100
50
0
-60 -40 -20
0
20 40
T_A (°C)
I_OUT = 1 mA
V_DD (V)
1.65
1.8
2.5
2.75
3.0
3.5
60 80 100
250
I_OUT = 1 mA
200
T_A (°C)
150
85°C
-40°C
100
25°C
50
0
1.0
1.5
2.0
2.5
3.0
V_DD (V)
3.5
4.0
100
90
80
70
60
50
40
30
20
10
0
-60
Average Supply Current versus Temperature
V_DD (V)
1.65
1.8
2.5
3.0
3.5
-40 -20
0
20 40 60 80 100
T_A (°C)
1000
900
800
700
600
500
400
300
200
100
0
-60
Normal Mode Period versus Temperature
V_DD (V)
1.65
1.8
2.5
3.0
3.5
-40 -20 0 20 40 60 80 100
T_A (°C)
Average Supply Current versus Supply Voltage
100
90
80
70
T_A (°C)
60
85°C
-40°C
50
25°C
40
30
20
10
0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V_DD (V)
Normal Mode Period versus Supply Voltage
1000
900
800
700
600
500
400
300
200
100
0
1.0
1.5
2.0
2.5
3.0
3.5
V_DD (V)
T_A (°C)
85°C
-40°C
25°C
4.0
Allegro MicroSystems, Inc.
5
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com