TDF8599B datasheet(40/54 Pages) NXP

Part #	TDF8599B

Description	I2C-bus controlled dual channel 43 W/4 W, single channel 85 W/1 W class-D power amplifier with load diagnostics

PDF	54 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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40 / 54 page

TDF8599B_1

Product data sheet

Rev. 01 — 29 July 2009

40 of 54

NXP Semiconductors

TDF8599B

I2C-bus controlled dual channel class-D power ampliﬁer

VP = 14.4 V; RL =4 Ω at 1 W.

VP = 14.4 V; RL =4 Ω at 10 W.

Fig 40. Channel separation as a function of frequency

with 1 W output power, BD modulation

Fig 41. Channel separation as a function of frequency

with 10 W output power, BD modulation

VP = 14.4 V.

(1) RL =2 Ω.

(2) RL =4 Ω.

VP =24V.

(1) RL =4 Ω.

(2) RL =2 Ω.

Fig 42. Power dissipation as a function of total output

power with both channels driven; VP = 14.4 V

Fig 43. Efﬁciency as a function of total output power

with both channels driven; VP = 24 V

001aak244

−80

−90

−70

−60

αcs

(dB)

−100

f (Hz)

105

104

102

103

001aak245

−80

−70

−90

−60

−50

αcs

(dB)

−100

f (Hz)

105

104

102

103

001aak246

Po (W)

060

(W)

(1)

(2)

001aak247

Po (W)

060

100

(%)

(1)

(2)

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