NXP Semiconductors SA58670A User Manual download pdf (Page 2)

Product data sheet Rev. 02 — 23 October 2008 2 of 24

NXP Semiconductors

SA58670A

2.1 W/channel stereo class-D audio ampliﬁer

n 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

INRP

INRN

GAIN

ADJUST

6, 10

n.c.

right input

PWM

H-

BRIDGE

OUTRP

3, 13 PVDD

OUTRN

9 AVDD

4, 12

PGND

AGND

INTERNAL

OSCILLATOR

INLP

INLN

GAIN

ADJUST

left input

PWM

H-

BRIDGE

OUTLP

OUTLN

300 kΩ

SDL

300 kΩ

BIAS

CIRCUITRY

GND

SHORT-CIRCUIT

PROTECTION

1 2 3 4 5 6 7 ... 23 24

SA58670A 1

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NXP Semiconductors SA58670A User Manual Page 2

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