SA58670 datasheet(7/18 Pages) PHILIPS

Part #	SA58670

Description	2.1 W/channel stereo Class D audio amplifier

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Manufacturer	PHILIPS [NXP Semiconductors]

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SA58670_1

Objective data sheet

Rev. 01 — 22 June 2007

7 of 18

NXP Semiconductors

SA58670

2.1 W/channel stereo Class D audio amplifier

10. Typical performance curves

(1) VDD = 3.6 V; RL =4 Ω; f = 1 kHz; Gv =24dB

(2) VDD = 5 V; RL =4 Ω; f = 1 kHz; Gv =24 dB

(1) VDD = 3.6 V; RL =8 Ω; f = 1 kHz; Gv =24dB

(2) VDD = 5 V; RL =8 Ω; f = 1 kHz; Gv =24dB

a. 4

Ω load

b. 8

Ω load

Fig 3.

THD+N versus output power

Po (W)

0.01

10

1

0.1

002aac767

10

1

100

THD+N

(%)

0.1

(1)

(2)

Po (W)

0.01

10

1

0.1

002aac768

10

1

100

THD+N

(%)

0.1

(1)

(2)

Fig 4.

Stepped all-to-one crosstalk

002aac769

crosstalk (Hz)

2 k

−100

−80

−60

crosstalk

(dB)

−120

3 k

4 k

5 k

6 k

7 k

8 k 9 k 10 k

20 k

SA58670, ch 1

SA58670, ch 2

ch 1

ch 2

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