A1384LUATI-T 查看數據表（PDF） - Allegro MicroSystems

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A1384LUATI-T

Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package

Allegro MicroSystems 

A1381, A1382,

A1383, and A1384

Programmable Linear Hall Effect Sensors with Analog Output

Available in a Miniature Thin Profile Surface Mount Package

OPERATING CHARACTERISTICS, valid over full operating temperature range, TA; CBYPASS= 0.1 μF, VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min. Typ. Max. Units

ELECTRICAL CHARACTERISTICS

Supply Voltage

Supply Current

Power-On Time1

Delay to Clamp1

Supply Zener Clamp Voltage

VCC

4.5

5.0

5.5

V

ICC

No load on VOUT

–

6.9

8

mA

A1381

TA = 25 °C, CBYPASS = open,

CL (of test probe) = 10 pF, Sens = 7.5 mV/G

–

32

–

μs

tPO

A1382

A1383

TA = 25 °C, CBYPASS = open,

CL (of test probe) = 10 pF, Sens = 5.0 mV/G

–

TA = 25 °C, CBYPASS = open,

CL (of test probe) = 10 pF, Sens = 3.125 mV/G

–

27

23

–

μs

–

μs

A1384

TA = 25 °C, CBYPASS = open,

CL (of test probe) = 10 pF, Sens = 2.5 mV/G

–

19

–

μs

tCLP

TA = 25°C, CL = 10 nF

–

30

–

μs

VZ

TA = 25°C, ICC = 11 mA

6

8.3

–

V

A1381

–

12

–

kHz

Internal Bandwidth

A1382

BWi

Small signal –3 dB

A1383

–

17

–

kHz

–

21

–

kHz

A1384

–

27

–

kHz

Chopping Frequency2

OUTPUT CHARACTERISTICS

fC

TA = 25°C

–

170

–

kHz

A1381

TA=25°C; CL = 10 nF,

Sens = 7.5 mV/G; no external filter

–

34

–

mV

A1382

TA=25°C; CL = 10 nF,

Sens = 5.0 mV/G; no external filter

–

27

–

mV

Noise (peak to peak)

VN(p-p)

A1383

TA=25°C; CL = 10 nF,

Sens = 3.125 mV/G; no external filter

–

20

–

mV

A1384

TA=25°C; CL = 10 nF,

Sens = 2.5 mV/G; no external filter

–

18

–

mV

A138x

TA=25°C; Sens = 2.5 mV/G; external 2 kHz low

pass filter with R = 1.69 kΩ, C = 47 nF

–

4.7

–

mV

DC Output Resistance

Output Load Resistance

ROUT

RL

VOUT to VCC

VOUT to GND

–

<1

4.7

–

4.7

–

–

Ω

–

kΩ

–

kΩ

Output Load Capacitance

Phase Shift3

Output Voltage Clamp4

Output Slew Rate

CL

∆Φ

VCLP(HIGH)

VCLP(LOW)

SR

VOUT to GND

No load on VOUT, magnetic input signal frequency =

1 kHz, with 1 V(p-p) output signal

TA = 25°C, B = 600 G, Sens = 5.0 mV/G,

RL = 10 kΩ (VOUT to GND)

TA = 25°C, B = –600 G, Sens = 5.0 mV/G,

RL = 10 kΩ (VCC to VOUT)

CL = 10 nF

–

–

10

nF

–

3

–

deg.

4.35

4.5

4.65

V

0.40

0.55

0.70

V

–

175

–

V/ms

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Allegro MicroSystems, Inc.

3

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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