TDF8590TH datasheet(24/30 Pages) NXP

24 / 30 page

TDF8590TH_2

Product data sheet

Rev. 02 — 23 April 2007

24 of 30

NXP Semiconductors

TDF8590TH

× 80 W SE (4 Ω) or 1 × 160 W BTL (8 Ω) class-D ampliﬁer

VP = ±27 V; RL =4 Ω; RS =0 Ω; Vripple = 2 V (p-p).

(1) ripple on both supply lines, ripple in phase.

(2) ripple on both supply lines, ripple in antiphase.

(3) ripple on one supply line.

VP = ±27 V; RL =8 Ω; RS =0 Ω; Vripple = 2 V (p-p).

(1) ripple on one supply line.

(2) ripple on both supply lines, ripple in antiphase.

(3) ripple on both supply lines, ripple in phase.

a. SE application

b. BTL application

Fig 19. Supply voltage ripple rejection as a function of frequency; Operating mode

001aad855

100

SVRR

(dB)

f (kHz)

10−2

102

10−1

(1)

(2)

(3)

001aad858

SVRR

(dB)

f (kHz)

10−2

102

10−1

(1)

(2)

(3)

VI = 1 V (RMS).

(1) SE application; VP = ±27 V; RL =4 Ω.

(2) BTL application; VP = ±18 V; RL =4 Ω.

Fig 20. Mute attenuation as a function of frequency

001aad859

100

αmute

(dB)

f (kHz)

10−2

102

10−1

(1)

(2)

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