A1301 データシートの表示（PDF） - Allegro MicroSystems

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A1301

Continuous-Time Ratiometric Linear Hall Effect Sensors

Allegro MicroSystems 

A1301 and

A1302

Continuous-Time Ratiometric

Linear Hall Effect Sensors

DEVICE CHARACTERISTICS over operating temperature range, TA, and VCC = 5 V, unless otherwise noted

Characteristic

Symbol

Test Conditions

Min.

Electrical Characteristics

Supply Voltage

Supply Current

Output Voltage

Output Bandwidth

VCC

ICC

VOUT(High)

VOUT(Low)

BW

Running, TJ < 165°C

Output open

ISOURCE = –1 mA, Sens = nominal

ISINK = 1 mA, Sens = nominal

4.5

–

4.65

–

–

Power-On Time

tPO

VCC(min) to 0.95 VOUT; B = ±1400 G;

Slew rate = 4.5 V/μs to 4.5 V/100 ns

–

Output Resistance

ROUT

ISINK ≤ 1 mA, ISOURCE ≥ –1 mA

–

Wide Band Output Noise, rms

VOUTN

External output low pass filter ≤ 10 kHz;

Sens = nominal

–

Ratiometry

Quiescent Output Voltage Error

with respect to ΔVCC1

ΔVOUTQ(V) TA = 25°C

–

Magnetic Sensitivity Error with

respect to ΔVCC2

ΔSens(V) TA = 25°C

–

Output

Linearity

Lin

TA = 25°C

–

Symmetry

Sym

TA = 25°C

–

Magnetic Characteristics

Quiescent Output Voltage

VOUTQ B = 0 G; TA = 25°C

2.4

Quiescent Output Voltage over

Operating Temperature Range

VOUTQ(ΔTA) B = 0 G

2.2

Magnetic Sensitivity

Sens

A1301; TA = 25°C

2.0

A1302; TA = 25°C

1.0

Magnetic Sensitivity over

Operating Temperature Range

A1301

Sens(ΔTA) A1302

1.8

0.85

1Refer to equation (4) in Ratiometric section on page 4.

2Refer to equation (5) in Ratiometric section on page 4.

Typ.

–

–

4.7

0.2

20

3

2

150

–

–

–

–

2.5

–

2.5

1.3

–

–

Max. Units

6

V

11

mA

–

V

0.25

V

–

kHz

5

μs

5

Ω

–

μV

±3.0

%

±3.0

%

±2.5

%

±3.0

%

2.6

V

2.8

V

3.0 mV/G

1.6 mV/G

3.2 mV/G

1.75 mV/G

Allegro MicroSystems, Inc.

3

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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