TDA5341 datasheet(21/28 Pages) PHILIPS

21 / 28 page

1997 Jul 10

Philips Semiconductors

Product speciﬁcation

Brushless DC motor and VCM drive circuit

with speed control

TDA5341

VCM+ and VCM

−; pins 37 and 45

VCMdo

drop-out voltage

Io = 400 mA

−

0.8

1.0

IoLIM

output current limiting

0.7

1.15

1.5

power ampliﬁer voltage gain

−

VoPARK

output park voltage

RL =40 Ω; note 1

−

0.75

−

VCMIN1 and VCMIN2

input voltage level

1.9

−

2.6

Iibias

input bias current

−−

0.25

µA

Ii(os)

input offset current

−

GAINSEL; pin 15

VIH

HIGH level input voltage

−−

VIL

LOW level input voltage

−−

0.8

IIH

HIGH level input current

−10

−

+10

µA

IIL

LOW level input current

−20

−

+10

µA

RSW

switch resistance

GAINSEL = LOW

−−

Ω

GAINSEL = HIGH

−−

Ω

FB1 and FB2; pins 28 and 29

Vi(os)

input offset voltage

−5

−

∆VFB

feed-back differential output

voltage

VDD = 5.25 V

±0.4

−±VDD − 0.45 V

fco

cross-over frequency

−

MHz

IoFB

feed-back output current

−250

+250

µA

tRSB

recovery time from saturation

−

−µs

RSW

switch resistance

GAINSEL = LOW

−−

Ω

GAINSEL = HIGH

−−

Ω

RETRACT; pin 30

VIH

HIGH level input voltage

−−

VIL

LOW level input voltage

−−

0.8

IIH

HIGH level input current

−10

−

+10

µA

IIL

LOW level input current

−20

−

+10

µA

BRAKEDELAY; pin 46

VBM

brake mode threshold voltage

−

0.75

1.0

VNM

normal mode voltage

VDD − 0.85

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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