L6260 データシートの表示（PDF） - STMicroelectronics

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L6260

4.5-5.5V DISK DRIVER SPINDLE & VCM, POWER & CONTROL COMBOS

STMicroelectronics 

L6260

ELECTRICAL CHARACTERISTICS

VCM Driver

Symbol

Io cr

Iofr

Rdson ABEF

Rdson CD

Vjump

Vdeadband

Icsbias

PSRR

BW

Parameter

Max Current Coarse Range

Max Current Fine Range

Source & Sink On Resistance

Coarse

Sink On Resistance Fine Range

Current Sense Jump

Discontinuity

Current Sense Deadband

Current Sense Bias Current

DC Power Supply Rejection

Ratio

Current Loop Bandwidth

Test Condition

Tj =125 °C ,

Iload = 300 mA

C, D VCM drive transistors

Vdd 4.5 to 5.5 V

La = 1mH Ra=40ohms

Imax =75mA

Min.

50

20

Typ.

1.0

5.0

Max.

300

75

2.5

Units

mA

mA

Ohms

10.0 Ohms

1

LSB

200

µV

1

µA

dB

KHz

Figure 1: Vjump vs. Deadband

Y(at) UNITS imax 1024

+3

Operational Area

+2

Nominal

+1

UNITS L.D.D. JT

X(in) DAC Register

Value

-1

-2

+3 +2 +1

VCM DAC

Symbol

Res

N.L.

I.N.L.

CT

Parameter

Resolution 10 Bits Resistive

Ladder Plus Sign (1 Bit)

Differential Non-Linearity

Integral Non - Linearity

Conversion Time 0 - 90 %

FSTC

Voh

Vol

PSRR

Full Scale Temperature

Coefficient

High Output Voltage

Low output Voltage

Power Supply Rejection

-3

+1 +2 +3

D94IN090

Test Condition

Unipolar

From Input Of Last Bit (for any

change of code)

0 to 125 °C

25 °C, No Load

25 °C, No Load

Min.

Typ.

11

Max. Units

bits

1

LSB

3.0 LSB

1.0

µs

250 ppm/C

0.240 0.250 0.260 V

100

µV

50

dB

7/30

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