Diodes AH1903 - Manual (Page 3)

AH1903
Document number: DS36568 Rev. 2 - 2
3 of 12
www.diodes.com
January 2014
© Diodes Incorporated
NEW PROD
UC
T
AH1903
Recommended Operating Conditions
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Rating Unit
V
DD
Supply Voltage Operating 1.6V to 3.6V V
T
A
Operating Temperature Range Operating -40 to +85 °C
Electrical Characteristics
(@T
A
= +25°C, V
DD
= 1.8V, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
V
OL
Output Low Voltage (on) I
OUT
= 1mA — 0.1 0.2 V
V
OH
Output High Voltage (off) I
OUT
= -1mA V
DD
-0.2 V
DD
-0.1 — V
SEL Low Omnipolar operation selected 0 — 0.5 V
SEL High Unipolar operation selected 1.4 — 3.6 V
R
U SEL
BSEL pin internal pull-up resistor (Note 7) — 50 kΩ
Ioff Output Leakage Current V
OUT
= 3.6V, Output off — < 0.1 1 µA
I
DD
(awake)
Supply Current
During ‘awake’ period,
T
A
= +25°C, V
DD
= 3V
— 2.1 — mA
I
DD
(sleep)
During ‘sleep’ period,
T
A
= +25°C, V
DD
= 3V
— 2.5 — mA
I
DD
(avg) Average Supply Current
T
A
= +25°C, V
DD
= 1.8V — 4.3 8 µA
T
A
= +25°C, V
DD
= 3.6V — 7.2 13 µA
Tawake Awake Time (Note 8) — 50 100 µs
Tperiod Period (Note 8) — 50 100 ms
D.C. Duty Cycle — 0.1 — %
Notes: 7. SEL pin internal pull-up resistor is only active during AWAKE time.
8. When power is initially on, the operating V
DD
(1.6V to 3.6V) must be applied to guarantee the output sampling.
The output state is valid after the second operating phase (typical 100ms).
Electrical Characteristics
(cont.)