TDA8542 datasheet(6/20 Pages) PHILIPS

6 / 20 page

1998 Apr 01

Philips Semiconductors

Product speciﬁcation

× 1 W BTL audio ampliﬁer

TDA8542

DC CHARACTERISTICS

VCC =5V; Tamb =25 °C; RL =8 Ω; VMODE = 0 V; measured in test circuit Fig.3; unless otherwise speciﬁed.

Notes

1. With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal

to the DC output offset voltage divided by RL.

2. The DC output voltage with respect to ground is approximately 0.5

× VCC.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCC

supply voltage

operating

2.2

quiescent current

RL = ∞; note 1

−

Istb

standby current

VMODE =VCC

−−

µA

DC output voltage

note 2

−

2.2

−

V

OUT+ − VOUT

− differential output voltage offset

−−

IIN+, IIN−

input bias current

−−

500

VMODE

input voltage mode select

operating

−

0.5

mute

1.5

−

VCC − 1.5 V

standby

VCC − 0.5 −

VCC

IMODE

input current mode select

0 < VMODE <VCC

−−

µA

VBS

input voltage BTL/SE pin

single-ended

−

0.6

BTL

−

VCC

IBS

input current BTL/SE pin

VBS =0

−−

100

µA

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