参数资料
型号: SA58637BS
厂商: NXP Semiconductors N.V.
元件分类: 音频放大器
英文描述: 2 x 2.2 W BTL audio amplifier
封装: SA58637BS<SOT910-1 (HVQFN20)|<<http://www.nxp.com/packages/SOT910-1.html<1<Always Pb-free,;
文件页数: 21/22页
文件大小: 156K
代理商: SA58637BS
SA58637_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 25 February 2008
8 of 22
NXP Semiconductors
SA58637
2
× 2.2 W BTL audio amplier
13. Application information
13.1 BTL application
Tamb =25 °C, VCC = 9 V, f = 1 kHz, RL =8 , Gv = 20 dB, audio band-pass 22 Hz to
22 kHz. The single-ended input and BTL differential output diagram is shown in Figure 3.
Pins 8, 9, 18 and 19 connected to ground.
Fig 3.
Application diagram of SA58637 single-ended input and BTL differential output
conguration
001aah746
R2
50 k
SA58637
OUTL
INL+
INL
GND
SVR
OUTL+
MODE
7
15
14
3
2
16
1
17
C3
47
F
R1
1
F
VI
RL
100
F
100 nF
VCC
20
10
R4
50 k
OUTR
INR+
INR
OUTR+
12
13
11
6
R3
1
F
VI
RL
SELECT
4
10 k
10 k
Gain left
2
R2
R1
-------
×
=
Gain right
2
R4
R3
-------
×
=
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