TDA7053A datasheet(2/16 Pages) PHILIPS

2 / 16 page

1997 Jul 15

Philips Semiconductors

Product speciﬁcation

Stereo BTL audio output ampliﬁer with DC

volume control

TDA7053A

FEATURES

• DC volume control

• Few external components

• Mute mode

• Thermal protection

• Short-circuit proof

• No switch-on and switch-off clicks

• Good overall stability

• Low power consumption

• Low HF radiation

• ESD protected on all pins.

GENERAL DESCRIPTION

The TDA7053A (2

× 1 W) and TDA7053AT (2 × 0.5 W) are

stereo BTL output amplifiers with DC volume control.

The devices are designed for use in TV and monitors, but

are also suitable for battery-fed portable recorders and

radios.

Missing Current Limiter (MCL)

A MCL protection circuit is built-in. The MCL circuit is

activated when the difference in current between the

output terminal of each amplifier exceeds 100 mA

(typical 300 mA). This level of 100 mA allows for

headphone applications (single-ended).

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

supply voltage

4.5

−

Pout

output power

VP =6V

TDA7053A

RL =8 Ω

0.85

1.0

−

TDA7053AT

RL =16 Ω

0.5

0.55

−

voltage gain

39.5

40.5

41.5

gain control

68.0

73.5

−

Iq(tot)

total quiescent current

VP =6V; RL = ∞−

THD

total harmonic distortion

TDA7053A

Pout = 0.5 W

−

0.3

TDA7053AT

Pout = 0.25 W

−

0.3

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA7053A

DIP16

plastic dual in-line package; 16 leads (300 mil); long body

SOT38-1

TDA7053AT

SO16

plastic small outline package; 16 leads; body width 7.5 mm

SOT162-1

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