A1359 データシートの表示（PDF） - Allegro MicroSystems

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A1359

Factory-Programmed Dual Output Linear Hall Effect Sensor IC With Analog and Pulse Width Modulated Outputs

Allegro MicroSystems 

A1359

Factory-Programmed Dual Output Linear Hall Effect Sensor IC

With Analog and Pulse Width Modulated Outputs

OPERATING CHARACTERISTICS Valid over full operating temperature range, TA, CBYPASS = 0.1 μF , VCC = 5 V,

unless otherwise noted

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Electrical Characteristics

Supply Voltage

Undervoltage Threshold2

Supply Current

Supply Zener Clamp Voltage

Internal Bandwidth3

Chopping Frequency3,4

Analog Output Characteristics

VCC

VUVLOHI

VUVLOLOW

ICC

VZ

BWi

fC

TA = 25°C (device powers on)

TA = 25°C (device powers off)

VCC = 5 V

TA = 25°C, ICC = 20 mA

Small signal, –3 dB

TA = 25°C

4.5

5.0

5.5

–

–

3

2.5

–

–

–

10

12

6

8.3

–

–

2

–

–

400

–

Output Referred Noise3

VN

TA = 25°C, CBYPASS = 0.1 μF, Sens = 5 mV/G,

no load on VOUT

–

6

–

Input Referred RMS Noise Density3

DC Output Resistance3

Output Load Resistance3

Output Load Capacitance3

Analog Output Current Limit

Output Voltage Clamp5

VNRMS

ROUT

RL

CL

ILIMIT(ALG)

VCLPH

VCLPL

T = 25°C, CBYPASS = open, no load on VOUT,

f << BWi

VOUT to GND

VOUT to GND

RPULLUP = 0 Ω

TA = 25°C, B = +350 G,

RL = 10 kΩ (VOUT to GND)

TA = 25°C, B = –350 G,

RL = 10 kΩ (VOUT to VCC)

–

1.9

–

–

<1

–

4.7

–

–

–

–

10

10

–

80

4.25

4.5

4.65

0.40

0.5

0.70

Response Time3

tRESPONSE_ Impulse magnetic field of 300 G

VOUT

–

–

500

Settling Time3

Power-On Time for Analog3

Delay to Clamp for Analog3

PWM Output Characteristics

tSETTLEVOUT

tPOVOUT

tCLPVOUT

TA = 25°C, Primary Overload > 5000 G

TA = 25°C, CL (probe) = 10 pF, on VOUT

TA = 25°C, CL = 10 nF, on VOUT

–

–

750

–

250

–

–

30

–

PWMOUT Saturation Voltage

PWMOUT Current Limit

PWMOUT Leakage Current

VSAT

IPWMOUT(SINK) ≤ 20 mA, PWMOUT transistor on

IPWMOUT(SINK) ≤ 10 mA, PWMOUT transistor on

–

–

ILIMIT

RPULLUP = 0 Ω

30

ILEAK

VCC = GND, 0 V ≤ VPWMOUT ≤ 5 V,

PWMOUT transistor off

–

–

0.6

–

0.5

60

110

0.1

10

PWMOUT Zener Clamp Voltage

PWMOUT Rise Time3

PWMOUT Fall Time3

Power-On Time for PWM3

Delay to Clamp for PWM3

Response Time3

Settling Time3

VZOUT IPWMOUT(SINK) = 10 mA, TA = 25ºC

tr

TA = 25°C, RPULLUP = 2 kΩ, CL = 20 pF

tf

TA = 25°C, RPULLUP = 2 kΩ, CL = 20 pF

tPOPWM TA = 25°C, CL (probe) = 10 pF, on PWMOUT

tCLPPWM TA = 25°C, CL = 10 nF, on PWMOUT

tRESPONSE_ TA = 25°C, Impulse magnetic field of 300 G

PWM

tSETTLEPWM TA = 25°C, Primary Overload > 5000 G

28

–

–

–

3

–

–

3

–

–

500

–

–

250

–

–

–

1.5

–

–

2.25

Unit1

V

V

V

mA

V

kHz

kHz

mV(p-p)

mG/√Hz

Ω

kΩ

nF

mA

V

V

μs

μs

μs

μs

V

V

mA

μA

V

μs

μs

μs

μs

ms

ms

Continued on the next page…

Allegro MicroSystems, Inc.

4

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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