SA58670 datasheet(10/25 Pages) NXP

Part #	SA58670

Description	2.1 W/channel stereo class-D audio amplifier

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Manufacturer	NXP [NXP Semiconductors]

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SA58670_1

Product data sheet

Rev. 01 — 4 January 2008

10 of 25

NXP Semiconductors

SA58670

2.1 W/channel stereo class-D audio ampliﬁer

(1) Po = 825 mW; Vi = 908.3 mV (RMS).

(2) Po = 550 mW; Vi = 741.6 mV (RMS).

(3) Po = 275 mW; Vi = 524.4 mV (RMS).

a. RL =4 Ω

(1) Po = 560 mW; Vi = 1.058 V (RMS).

(2) Po = 375 mW; Vi = 866 mV (RMS).

(3) Po = 190 mW; Vi = 616.4 mV (RMS).

b. RL =8 Ω

Gv(cl) = 6 dB.

Fig 6.

Total harmonic distortion-plus-noise as a function of frequency; VDD = 3.6 V

001aah490

f (Hz)

10

105

104

102

103

10−1

10−2

1

10−3

THD+N

(%)

(1)

(2)

(3)

001aah491

f (Hz)

10

105

104

102

103

10−1

10−2

1

10−3

THD+N

(%)

(1)

(2)

(3)

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