SA58637_15 Datasheet, PDF (4/22 Pages) NXP Semiconductors – 2 x 2.2 W BTL audio amplifier

NXP Semiconductors
7. Pinning information
7.1 Pinning
SA58637
2 × 2.2 W BTL audio amplifier
terminal 1
index area
OUTL+ 1
MODE 2
SVR 3
SELECT 4
n.c. 5
OUTR+ 6
SA58637BS
16 OUTL−
15 INL−
14 INL+
13 INR+
12 INR−
11 OUTR−
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Transparent top view
Fig 2. Pin configuration for HVQFN20
7.2 Pin description
Table 3.
Symbol
OUTL+
MODE
SVR
SELECT
n.c.
OUTR+
RGND
GND
V_CCR
OUTR−
INR−
INR+
INL+
INL−
OUTL−
V_CCL
LGND
Pin description
Pin
1
2
3
4
5
6
7
8, 9, 18, 19
10
11
12
13
14
15
16
17
20
Description
positive loudspeaker terminal, left channel
operating mode select (standby, mute, operating)
half supply voltage, decoupling ripple rejection
BTL loudspeaker channel select (left, right, both channels)
not connected
positive loudspeaker terminal, right channel
ground, right channel
ground^[1]
supply voltage; right channel
negative loudspeaker terminal, right channel
negative input, right channel
positive input, right channel
positive input, left channel
negative input, left channel
negative output terminal, left channel
supply voltage, left channel
ground, left channel
[1] Pins 8, 9, 18 and 19 are connected to the lead frame and also to the substrate. They may be kept floating.
When connected to the ground plane, the PCB can be used as heatsink.
SA58637_1
Product data sheet
Rev. 01 — 25 February 2008
© NXP B.V. 2008. All rights reserved.
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