AH8501-FDC-7 datasheet(7/19 Pages) DIODES

Part #	AH8501-FDC-7

Description	HIGH ACCURACY LOW POWER / MICROPOWER LINEAR HALL EFFECT SENSOR

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Manufacturer	DIODES [Diodes Incorporated]

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7 / 19 page

AH8501

Document number: DS37512 Rev. 1 - 2

7 of 19

www.diodes.com

February 2015

AH8501

Electrical Characteristics (cont.) (Notes 11, 12 & 13) (@TA = +25°C, VDD = 1.8V, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Magnetic Characteristics

BRANGE

Measurable Magnetic Flux Density

Range

VDD = 1.8V, TA =+25°C

±388

±400

±412

G

VDD = 3V, TA =+25°C

±382

±395

±408

G

GRES

Gauss Resolution

VDD = 1.8V, TA =+25°C

3.033

3.125

3.221

G/LSB

VDD = 3V, TA =+25°C

2.994

3.084

3.179

G/LSB

VNULL

Quiescent Output Voltage with zero

gauss

B = 0.5G, TA = +25°C

-

VDD / 2

-

V

VDD = 1.8V, TA = +25°C

0.882

0.9

0.918

V

VDD = 3V, TA = +25°C

1.47

1.5

1.53

V

VOFFSET

Quiescent Output Voltage Offset

B = 0.5G, VDD = 1.8V, TA = +25°C

-1%

-

1%

% of VDD

B = 0.5G, VDD = 3V, TA = +25°C

-1%

-

1%

% of VDD

B = 0.5G, VDD = 1.6V to 3.6V,

TA = -40°C to +85°C

(Note 14)

-1.5

-

1.5

% of VDD

VSENS

Output Voltage Sensitivity

VDD = 1.8V, TA = +25°C

2.183

2.25

2.318

mV/G

VDD = 3V, TA = +25°C

3.686

3.80

3.914

VSENS_ACC

Sensitivity Accuracy

VDD = 1.8V, TA = +25°C

-3

-

3

%

VDD = 3V, TA = +25°C

-3

-

3

%

VDD = fixed at any one voltage between 1.6V

to 3.6V,

TA = -40°C to +85°C

(Note 14, Note 15)

-6

-

6

%

TC_ERRSENS Sensitivity error over full temperature VDD=fixed, TA = -40°C to +85°C, (Note 14)

-3

-

3

%

Lin+

Positive linearity (span linearity)

VDD = 1.8V, TA = +25°C (Note 14)

-

99.9

-

%

VDD = 3.0V, TA = +25°C (Note 14)

-

99.7

-

%

Lin-

Negative linearity (span linearity)

VDD = 1.8V, TA = +25°C (Note 14)

-

100.1

-

%

VDD = 3.0V, TA = +25°C (Note 14)

-

100.4

-

%

Notes:

11. When power is initially turned on, the operating VDD (1.6V to 3.6V) must be applied to guarantee the output sampling.

The output state is valid after tON_INITIAL from supply voltage reaching the minimum operating voltage.

12. Typical data is at TA = +25°C, VDD = 1.8V unless otherwise stated.

13. Maximum and minimum parameters values over operating temperature range are not tested in production, they are guaranteed by design,

characterization and process control.

14. The parameter is not tested in production, they are guaranteed by design, characterization and process control.

15. This term constitutes of output voltage sensitivity temperature coefficient error and sensitivity trim accuracy.

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