TDA8542AT datasheet(13/20 Pages) PHILIPS

13 / 20 page

1998 Mar 25

Philips Semiconductors

Product speciﬁcation

× 1.5 W BTL audio ampliﬁer

TDA8542AT

Fig.17 Channel separation as a function of

frequency.

handbook, halfpage

−100

−80

−60

−40

−20

MGD901

(2)

102

103

104

f (Hz)

105

(4)

(5)

(1)

(3)

(dB)

Vo = 1 V, Gv =20dB.

(1) VCC = 5 V, RL =32 Ω, to buffer.

(2) VCC = 7.5 V, RL =4 Ω.

(3) VCC = 9 V, RL =8 Ω.

(4) VCC = 12 V, RL =16 Ω.

(5) VCC = 5 V, RL =32 Ω.

Fig.18 SVRR as a function of frequency.

RS =0 Ω, Vr = 100 mV.

(1) Gv =24dB.

(2) Gv =20dB.

(3) Gv = 0 dB.

handbook, halfpage

−80

−60

−40

−20

MGD902

102

103

SVRR

(dB)

f (Hz)

104

105

(1)

(2)

(3)

Fig.19 Po as a function of VCC.

THD = 10%.

(1) RL =4 Ω.

(2) RL =8 Ω.

(3) RL =16 Ω.

handbook, halfpage

(1)

(2)

(3)

(W)

VCC (V)

1.6

1.2

0.8

0.4

MGD903

Fig.20 Worst case power dissipation as a function

of VCC.

THD = 10%.

(1) RL =4 Ω.

(2) RL =8 Ω.

(3) RL =16 Ω.

handbook, halfpage

VCC (V)

(1)

(2)

(3)

MGM217

(W)

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