IC-MH8_11 参数 Datasheet PDF下载

iC-MH8

12 BIT ANGULAR HALL ENCODER

nar y

limi

pre

Rev A0.9, Page 5/25

ELECTRICAL CHARACTERISTICS

Operating conditions:

VPA, VPD = 5 V ±10 %, VNA=VND, Tj = -40...125 °C, IBM adjusted to 200 µA , 4 mm NdFeB magnet, unless otherwise noted

Item

No.

001

002

003

004

005

006

Symbol

Parameter

Conditions

Min.

V(VPA),

V(VPD)

I(VPA)

I(VPD)

I(VPD)

Vc()hi

Vc()lo

Permissible Supply Voltage

Supply Current in VPA

Supply Current in VPD

Supply Current in VPD

Clamp Voltage hi at MA, SLI,

SLO, PTE, NERR

Clamp Voltage lo at MA, SLI,

SLO, PTE, NERR

Operating Magnetic Field

Strength

Operating Magnetic Field

Frequency

Rotating Speed of Magnet

Diameter of Hall Sensor Array

Max. Magnet Axis Displacement

vs. Center of Hall Sensor Array

Chip Placement Error vs. Pack-

age

Chip Tilt Error vs. Package

with QFN28

with QFN28

-0.2

-3

0.4

-55

55

4

1.09

0.92

2

0.2

0.2

+3

PRM = ’0’, without Load

PRM = ’1’, without Load

Vc()hi = V()

−

VPD, I() = 1 mA

I() = -1 mA

4.5

3

5

2

0.4

-1.5

Typ.

Max.

5.5

12

27

20

1.5

-0.3

V

mA

mA

mA

V

V

Unit

General

Hall Sensors and Signal Conditioning

101

102

Hext

fmag

at surface of chip

20

100

2

120 000

kA/m

kHz

rpm

mm

mm

mm

Deg

mm

mV

mV

Vpp

103

104

105

106

107

108

109

110

111

112

dsens

xdis

xpac

φpac

hpac

Vos

Vos

Vopt

Vratio

Vratio

Sensor-to-Package-Surface Dis- with QFN28

tance

Trimming range of output offset

voltage

Trimming range of output offset

voltage

VOSS or VOSC = 0x7F

VOSS or VOSC = 0x3F

Optimal differential output voltage Vopt = Vpp(PSIN)

−

Vpp(NSIN), ENAC = ’0’,

see Fig. 6

Amplitude Ratio

Amplitude Ratio

Vratio = Vpp(PSIN) / Vpp(PCOS), GCC = 0x3F

Vratio = Vpp(PSIN) / Vpp(PCOS), GCC = 0x40

Signal Level Control

201

202

203

204

Vpp

ton

Vt()lo

Vt()hi

Differential Peak-to-Peak Output Vpp = Vpk(Px)

−

Vpk(Nx), ENAC = ’1’, see Fig.

Amplitude

Controller Settling Time

to ±10% of final amplitude

1.0

4.8

MINERR Amplitude Error Thresh- see 201

old

MAXERR Amplitude Error

Threshold

Bandgap Reference Voltage

Reference Voltage

Bias Current

CIBM = 0x0

CIBM = 0xF

Bias Current adjusted

see 201

3.2

4.8

300

2.8

5.8

Vpp

µs

Vpp

Vpp

Bandgap Reference

401

402

403

Vbg

Vref

Iibm

1.18

45

-370

-220

3.65

3

0.3

1.25

50

1.32

55

-100

-200

4.0

3.5

-180

4.3

3.8

V

%VPA

µA

µA

µA

V

V

V

404

405

406

VPDon

VPDoff

VPDhys

Turn-on Threshold VPD, System V(VPD)

−

V(VND), increasing voltage

on

Turn-off Threshold VPD, System V(VPD)

−

V(VND), decreasing voltage

reset

Hysteresis System on/reset