SA58670 datasheet(9/25 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_2

Product data sheet

Rev. 02 — 23 October 2008

9 of 25

NXP Semiconductors

SA58670

2.1 W/channel stereo class-D audio ampliﬁer

(1) Po = 350 mW; Vi = 590 mV (RMS).

(2) Po = 240 mW; Vi = 490 mV (RMS).

(3) Po = 120 mW; Vi = 346 mV (RMS).

a. RL =4 Ω

(1) Po = 260 mW; Vi = 721.1 mV (RMS).

(2) Po = 180 mW; Vi = 600 mV (RMS).

(3) Po = 90 mW; Vi = 424.3 mV (RMS).

b. RL =8 Ω

Gv(cl) =6dB.

Fig 5.

Total harmonic distortion-plus-noise as a function of frequency; VDD = 2.5 V

001aah488

f (Hz)

10

105

104

102

103

10−1

10−2

1

10−3

THD+N

(%)

(1)

(2)

(3)

001aah489

f (Hz)

10

105

104

102

103

10−1

10−2

1

10−3

THD+N

(%)

(1)

(2)

(3)

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