TDA5149 datasheet(18/28 Pages) PHILIPS

18 / 28 page

1996 May 06

Philips Semiconductors

Product speciﬁcation

12 V Voice Coil Motor (VCM) driver and

spindle motor pre-driver combination chip

TDA5149G

SISENS: PIN 15

∆Vo

output voltage shift

1.38

1.43

1.48

output voltage level

1.37

−

VDD − 1.2

spindle sense ampliﬁer gain

4.85

5.0

5.15

V/V

fUG

unity gain bandwidth

−

MHz

SPINDLE CURRENT LOOP FILTER AMPLIFIER: PINS 18 AND 19 (SINTIN AND ISPIN)

ViCM

common mode input voltage

1.3

−

3.2

Vi(os)

input offset voltage

−3.0

−

+3.0

input current

−1

−

µA

SICOMP: PIN 20

VOL

LOW level output voltage

IOL = 1 mA

−

0.5

VOH

HIGH level output voltage

IOH = −0.6 mA

3.5

−

slew rate

0.5

0.9

1.5

µs

fUG

unity gain bandwidth

−

MHz

SPINDLE PWM COMPARATORS: PINS 22 AND 23 (CSS1 AND CSS2)

Vdc

discharge clamp voltage

ICSS1,2 = 0.5 mA

−

0.45

Isink(d)

sink current

for normal CSS1 and

CSS2 discharge;

RIref = 120 kΩ

20.2

21.0

21.8

µA

Isink(s)

sink current

for CSS1 and CSS2

short

−

ANALOG SWITCHES: PIN 21 (RPOS)

RSon

switch-on resistance

150

250

400

Ω

RSoff

switch-off resistance

−

Ω

SAWTOOTH OSCILLATOR: PIN 24 (STOSC)

VSUL

voltage swing upper limit

2.9

3.0

3.1

VSLL

voltage swing lower limit

static test

0.53

0.55

0.57

Isource

source current

note 8

−44.4

−42.8 −41.2

µA

Isink

sink current

note 9

500

800

1100

µA

Voice coil motor driver

VCM PREAMPLIFIERS: PINS 41 AND 40 (VCMIN1 AND VCMIN2)

input current

−10

−

+10

µA

Vi(os)

input offset voltage

−6

−

fUG

unity gain bandwidth

−

MHz

GRSon

gain switch-on resistance

VGAINSEL = 1

−

Ω

GRSoff

gain switch-off resistance

VGAINSEL = 0

−

Ω

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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