Nxp Semiconductors SA58670A Benutzerhandbuch
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SA58670A_2
© NXP B.V. 2008. All rights reserved.
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
no leads; 20 terminals; body 4
×
4
×
0.85 mm
SOT917-1
Refer to
for gain selection.
Fig 1.
Block diagram
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SA58670A
SDR
16
17
INRP
INRN
GAIN
ADJUST
6, 10
n.c.
right input
PWM
H-
BRIDGE
14
11
OUTRP
3, 13 PVDD
OUTRN
V
DD
9 AVDD
V
DD
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
8
7
300 k
Ω
SDL
300 k
Ω
BIAS
CIRCUITRY
GND
SHORT-CIRCUIT
PROTECTION