AM9858

Optical Disc ICs

http://www.amtek-semi.com

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Specifications subject to change without notice

- 2 -

(Unless otherwise specified, Ta = 25℃, VCC1=VCC2= 5V, VM=12V, RSP=0.44Ω, VREF=1.65V)

Parameter

Symbol

Limit

Unit

Conditions

Min

Typ

Max

Common

Sleep current

-

500

-

uA

MU1=0V

Quiescent current

-

4

-

mA

MU1=5V, MU2=5V

MUTE1/MUTE2

terminal low voltage

VMU1L/

VMU2L

0

-

0.8

V

MU1/MU2

MUTE1/MUTE2

terminal high voltage

VMU1H/

VMU2H

2.5

-

5

V

MU1/MU2

MUTE1/MUTE2

terminal input current

IMU1/

IMU2

-

85

200

uA

MU1/MU2=5V

PWM carrier frequency

Fosc

-

130

-

KHz

OSC: with 68pF

VREF input voltage

range

VinREF

1.0

-

3.0

V

VREF terminal input

current

IinREF

-

90

-

uA

VREF=1.65V

Spindle driver block < Hall bias>

HB output voltage

VHB

0.8

1.1

1.4

V

IHB = 10mA

2.1

2.5

2.8

V

IHB = 30mA

HB terminal sink current

IHB

-

-

30

mA

MU1=5V

Spindle driver block <Hall amplifier>

Common mode input

range

VHcom

1.3

-

3.7

V

HU+, HU-, HV+, HV-,

HW+, HW-

Input signal level

VHmin

60

-

-

mVp-p

HU+, HU-, HV+, HV-,

HW+, HW-

Spindle driver block <Torque control>

Output on resistance

RDSON

-

2.0

-

Ω

Io=0.5[A], VM=12V

Output on resistance

RDSON

-

3.0

-

Ω

Io=0.25[A], VM=5V

Control voltage dead

zone-

VDZ-

-80

-40

0

mV

SPIN<VREF [REVERSE]

Control voltage dead

zone+

VDZ+

0

+40

+80

mV

VREF<SPIN [FORWARD]

Control gain

Gvo

0.85

1.0

1.15

V/V

Gio=Gvo/Rs[A/V]

Control limit 1F

Vlim1F

0.46

0.55

0.615

V

Ilim1F=Vlim1F/Rs

[FORWARD] MU2=0V

Control limit 1R

Vlim1R

0.28

0.33

0.38

V

Ilim1R=Vlim1R/Rs

[REVERSE]



This product is not designed for protection against radioactive rays.



Hall sensor power supply is recommended to be 5V to ensure Hall input range keeps

1.3Vmin ~3.7V max at Ta= -40’c~85’c condition.