IC-MH8_11 参数 Datasheet PDF下载

iC-MH8

12 BIT ANGULAR HALL ENCODER

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Rev A0.9, Page 6/25

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.

407

Symbol

Vosr

Parameter

Reference voltage offset com-

pensation

System Clock

Sinus/Digital-Converter Clock

Sinus/Digital-Converter Resolu-

tion

Absolute Angular Accuracy

Relative Angular Accuracy

Vpp() = 4 V, adjusted

with reference to an output periode at A, B.

CFGRES=0x2, ENF=1, PRM=0, HCLH=1,

GAING=0x0, Vpp(SIN/COS) = 4 Vpp.

see Fig. 17

CFGMTD = 0x0, CFGRES=0x0

CFGMTD = 0x7, CFGRES=0x0

V(SLO) = V(VPD)

−

V(),

I(SLO) = 4 mA

I(SLO) = 4 mA to VND

V(SLO) = V(VND), 25°C

V(SLO) = V(VPD), 25°C

CL = 50 pF

CL = 50 pF

0.8

140

V() = 0...VPD

−

1 V

6

-60

250

30

-30

60

-6

10

Threshold Voltage High VZAP,

PTE

Threshold Voltage Low VZAP,

PTE

Hysteresis

Threshold Voltage Nozap VZAP

Threshold Voltage Zap VZAP

Zapping voltage

Diode voltage, zapped

Diode voltage, unzapped

3

30

with reference to VND

I() = 4 mA , with reference to VND

with reference to VND

Vt()hys = Vt()hi

−

Vt()lo

V(NERR) = 0...VPD

−

1 V

V(NERR) = V(VPD), Tj = 25°C

CL = 50 pF

0.8

140

-800

250

-300

50

-80

80

60

55

2

0.4

with reference to VND

with reference to VND

Vt()hys = Vt()hi

−

Vt()lo

V() = V(VZAP)

−

V(VPA), V(VPA) = 5 V ±5 %,

at chip temperature 27 °C

V() = V(VZAP)

−

V(VPA), V(VPA) = 5 V ±5 %,

at chip temperature 27 °C

PROG = ’1’

6.9

7.0

0.8

140

0.7

1.2

7.1

2

250

2

-90

-50

50

80

60

60

2

-0.35

±

10

Bias Current adjusted

Bias Current adjusted

Conditions

Min.

475

Typ.

500

Max.

525

mV

Unit

Clock Generation

501

502

601

602

603

f()sys

f()sdc

RESsdc

AAabs

AArel

0.85

13.5

1.0

16

12

0.35

1.2

18

MHz

MHz

Bit

Deg

%

Sin/Digital Converter

604

f()ab

Output frequency at A, B

2.0

0.25

0.4

0.4

MHz

MHz

V

V

mA

mA

ns

ns

V

V

mV

µA

µA

MHz

V

V

mV

V

V

V

V

V

kΩ

V

V

V

mV

µA

mA

ns

Serial Interface, Digital Outputs MA, SLO, SLI

701

702

703

704

705

706

707

708

709

710

711

712

801

802

803

804

805

806

807

808

809

901

902

903

904

905

906

907

Vs(SLO)hi Saturation Voltage High

Vs(SLO)lo Saturation Voltage Low

Isc(SLO)hi Short-Circuit Current High

Isc(SLO)lo Short-Circuit Current Low

tr(SLO)

tf(SLO)

Vt()hi

Vt()lo

Vt()hys

Ipd()

Ipu(MA)

f(MA)

Vt()hi

Vt()lo

Vt()hys

Vt()nozap

Vt()zap

V()zap

V()zpd

V()uzpd

Rise Time SLO

Fall Time SLO

Threshold Voltage High: MA, SLI

Threshold Voltage Low: MA, SLI

Threshold Hysteresis: MA, SLI

Pull-Down Current: MA, SLI

Zapping and Test

Rpd()VZAP Pull-Down Resistor at VZAP

Vt()hi

Vs()lo

Vt()lo

Vt()hys

Ipu()

Isc()lo

tf()hilo

Input Threshold Voltage High

Saturation Voltage Low

Input Threshold Voltage Low

Input Hysteresis

Pull-up Current Source

Short circuit current Lo

Decay time

NERR Output