TDF8591TH datasheet(21/34 Pages) NXP

21 / 34 page

TDF8591TH_1

Product data sheet

Rev. 01 — 5 March 2008

21 of 34

NXP Semiconductors

TDF8591TH

× 100 W SE (4 Ω) or 1 × 310 W BTL (4 Ω) class-D ampliﬁer

12.8 Application graphs

VP = ±27 V; double coils; C = 680 nF.

(1) f = 10 kHz.

(2) f = 1 kHz.

(3) f = 100 Hz.

VP = ±27 V; double coils; C = 680 nF.

(1) f = 10 kHz.

(2) f = 1 kHz.

(3) f = 100 Hz.

a. RL =4 Ω.b. RL =2 Ω.

Fig 12. Total harmonic distortion as a function of output power, SE application

001aah197

10−1

10−2

102

THD

(%)

10−3

Po (W)

10−1

103

102

110

(1)

(2)

(3)

001aah196

10−1

10−2

102

THD

(%)

10−3

Po (W)

10−1

103

102

110

(1)

(2)

(3)

VP = ±27 V; double coils; C = 680 nF.

(1) f = 10 kHz.

(2) f = 1 kHz.

(3) f = 100 Hz.

VP = ±27 V; double coils; C = 680 nF.

(1) f = 10 kHz.

(2) f = 1 kHz.

(3) f = 100 Hz.

a. RL =8 Ω

b. RL =4 Ω

Fig 13. Total harmonic distortion as a function of output power, BTL application

001aah199

10−1

10−2

102

THD

(%)

10−3

Po (W)

10−1

103

102

110

(1)

(2)

(3)

001aah198

10−1

10−2

102

THD

(%)

10−3

Po (W)

10−1

103

102

110

(1)

(2)

(3)

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