Diodes AH1802 Manuel d'utilisateur télécharger pdf (Page 3)

AH1802

MICROPOWER, ULTRA-SENSITIVE OMNIPOLAR

HALL-EFFECT SENSOR SWITCH

AH1802

Document number: 31170 Rev. 8 - 2

3 of 11

www.diodes.com

December 2010

Absolute Maximum Ratings (T

= 25°C)

mbol Characteristics

alues Unit

Vdd Supply Voltage 7 V

B Magnetic Flux Density Unlimited

Ts Storage Temperature Range -65 to +150

°C

Package Power Dissipation 230 mW

Maximum Junction Temperature 150

°C

Recommended Operating Conditions (T

= 25°C)

Symbol Parameter Conditions Rating Unit

Vdd Supply Voltage Operating 2.5 to 5.5 V

Operating Temperature Range Operating -40 to +85

°C

Electrical Characteristics (T

= 25°C, Vdd = 3V; unless otherwise specified)

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, B < Brp -

<0.1

1 µA

Idd(en)

Supply Current

Chip enable, T

= 25°C, Vdd = 3V

- 3 6 mA

Chip enable, T

= -40~85°C,

Vdd = 2.5~5.5V

- 3 10 mA

Idd(dis)

Chip disable, T

= 25°C, Vdd = 3V

- 5 10 µA

Chip disable, T

= -40~85°C,

Vdd = 2.5~5.5V

- 5 18 µA

Idd(avg)

Average supply current ,

= 25°C, Vdd = 3V

- 8 16 µA

Average supply current ,

= -40~85°C, Vdd = 2.5~5.5V

- 8 23 µA

Chopping Frequency For design information only - 300 - KHz

Tawake Awake Time (Note 3) - 75 150 µs

Tperiod Period (Note 3) - 75 150 ms

D.C. Duty Cycle - 0.1 - %

Notes: 3. When power is initially turned on, Vdd must be within its correct operating range (2.5V to 5.5V) to guaranteed the output sampling.

The output state is valid after the second operating cycle (typical 150ms).

Idd (dis)

Idd(en)

Tawake

Tperiod

Sample and output

latched

1 2 3 4 5 6 7 8 9 10 11

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Diodes AH1802 Manuel d'utilisateur Page 3

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