MA800 – 8-BIT, DIGITAL ANGLE SENSOR

MA800 Rev. 1.02

www.MonolithicPower.com

5

6/15/2018

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GENERAL CHARACTERISTICS

VDD = 3.3V, 45mT < B < 100mT, temp = -40°C to +125°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Resolution

Effective resolution

3σ deviation of the noise

distribution

8

bit

Noise rms

0.005

0.01

0.02

deg

Refresh rate

850

980

1100

kHz

Data output length

8

8

bit

Response Time

Power-up time

(4)

20

ms

Latency

(5)

Constant speed propagation

delay

4

ms

Filter cutoff frequency

(4)

Fcutoff

90

Hz

Accuracy

INL at 25°C

At room temperature over the full

field range

0.7

deg

INL between -40°C to +125°C

(5)

Over the full temperature range

and field range

1.1

deg

Output Drift

Temperature induced drift at

room temperature

(5)

0.015

0.04

deg/°C

Temperature induced variation

(5)

From 25°C to 85°C

0.5

1.2

deg

From 25°C to 125°C

1.0

2.1

deg

Magnetic field induced

(5)

0.005

deg/mT

Voltage supply induced

(5)

0.3

deg/V

Magnetic Field Detection Thresholds

Accuracy

(5)

5

mT

Hysteresis

(5)

MagHys

6

mT

Temperature drift

(5)

-600

ppm/°C

Digital I/O

Input high voltage

VIH

2.5

5.5

V

Input low voltage

VIL

-0.3

0.8

V

Output low voltage

(5)

VOL

VOL = 4mA

0.4

V

Output high voltage

(5)

VOH

VOH = 4mA

2.4

V

Pull-up resistor

RPU

46

66

97

k

Ω

Pull-down resistor

RPD

43

55

97

k

Ω

Rising edge slew rate

(4)

TR

CL = 50pF

0.7

V/ns

Falling edge slew rate

(4)

TF

CL = 50pF

0.7

V/ns

NOTES:

4)

Guaranteed by design.

5)

Guaranteed by characteristic test.