Ah1822, Electrical characteristics – Diodes AH1822 User Manual
Page 4
AH1822
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
AH1822 Rev. 5
4 of 9
FEBRUARY 2009
©
Diodes Incorporated
Symbol
Characteristic
Conditions
Min
Typ.
Max
Unit
Vout Output
On
Voltage
Iout=1mA
⎯
0.1 0.3 V
Ioff
Output Leakage Current Vout=5.5V, Output off
⎯
<
0.1
1 µA
Idd(en)
Supply Current
Chip enable , T
A
= 25
°C , Vdd = 3V
⎯
3
6
mA
Idd(en)
Chip enable , T
A
= -40~85
°C ,
Vdd = 2.5~5.5V
⎯
3
10
mA
Idd(dis)
Chip disable , T
A
= 25
°C , Vdd = 3V
⎯ 5 10 µA
Idd(dis)
Chip disable , T
A
= -40~85
°C ,
Vdd = 2.5~5.5V
⎯
5 18 µA
Idd(avg)
Average supply current ,
T
A
= 25
°C , Vdd = 3V
⎯
8 16 µA
Idd(avg)
Average supply current ,
T
A
= -40~85
°C , Vdd = 2.5~5.5V
⎯
8 28 µA
F
C
Chopping Frequency
For design information only
⎯
300
⎯
KHz
Tawake Awake Time
(Note 5)
⎯
75 150 µs
Tperiod Period
(Note
5)
⎯
75 150 ms
D.C. Duty
Cycle
⎯
0.1
⎯
%
Notes: 5. When power is initially on, the operating Vdd (2.5V to 5.5V) must be applied to be guaranteed for the output sampling. The output state is valid
after the second operating phase (typical 150ms).
Idd (dis)
Idd(en)
Tawake
Tperiod
0
Sample and output
latched
Electrical Characteristics
(T
A
= +25
°C, Vdd = 3V; unless otherwise specified)