SA58670A datasheet(2/24 Pages) NXP

Part #	SA58670A

Description	2.1 W/channel stereo class-D audio amplifier

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Manufacturer	NXP [NXP Semiconductors]

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SA58670A_2

Product data sheet

Rev. 02 — 23 October 2008

2 of 24

NXP Semiconductors

SA58670A

2.1 W/channel stereo class-D audio ampliﬁer

I Educational toy

4.

Ordering information

5.

Block diagram

Table 1.

Ordering information

Type number

Package

Name

Description

Version

SA58670ABS

HVQFN20

plastic thermal enhanced very thin quad ﬂat package;

no leads; 20 terminals; body 4

× 4 × 0.85 mm

SOT917-1

Refer to Table 6 for gain selection.

Fig 1.

Block diagram

002aad663

SA58670A

SDR

16

17

INRP

INRN

GAIN

ADJUST

6, 10

n.c.

right input

PWM

H-

BRIDGE

14

11

OUTRP

3, 13 PVDD

OUTRN

VDD

9 AVDD

VDD

4, 12

PGND

18

AGND

INTERNAL

OSCILLATOR

20

19

INLP

INLN

GAIN

ADJUST

left input

PWM

H-

BRIDGE

OUTLP

OUTLN

2

5

G0

G1

15

1

8

7

300 k

Ω

SDL

300 k

Ω

BIAS

CIRCUITRY

GND

SHORT-CIRCUIT

PROTECTION

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