參數(shù)資料
型號(hào)： SA58632
廠商： NXP Semiconductors N.V.
英文描述： 2 x 2.2 W BTL audio amplifier
中文描述： 2 × 2.2糯橋接音頻放大器
文件頁(yè)數(shù)： 15/26頁(yè)
文件大?。?/td> 174K
代理商： SA58632
SA58632_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 27 June 2006
15 of 26
Philips Semiconductors
SA58632
2
×
2.2 W BTL audio amplifier
14.4 Single-ended application
T
amb
= 25
°
C; V
CC
= 7.5 V; f = 1 kHz; R
L
= 8
; G
v
= 20 dB; audio band-pass 20 Hz to
20 kHz.
The single-ended application diagram is shown in
Figure 15
.
If the BTL/SE pin is to ground, the positive outputs (OUTL+, OUTR+) will be in mute
condition with a DC level of 0.5V
CC
. When a headphone is used (R
L
> 25
) the SE
headphone application can be used without coupling capacitors by placing the load
between negative output and one of the positive outputs (for example, pin 1) as the
common pin.
Increasing the value of the tantalum or electrolytic capacitor C3 will result in a better
channel separation. Because the positive output is not designed for high output current
(2
×
I
O
) at the load impedance (< 16
), the SE application with output capacitors
connected to ground is advised. The capacitor value of C4/C5 in combination with the
load impedance determines the low frequency behavior. The total harmonic
distortion-plus-noise as a function of frequency was measured with a low-pass filter of
80 kHz. The value of the capacitor C3 influences the behavior of the PSRR at low
frequencies; increasing the value of C3 increases the performance of PSRR.
Pins 8, 9, 18 and 19 connected to ground.
Fig 15. SE application circuit configuration
002aac091
R2
100 k
SA58632
OUTL
INL+
INL
GND
SVR
OUTL+
MODE
7
15
14
3
2
16
1
17
C3
47
μ
F
R1
1
μ
F
VIL
100
μ
F
100 nF
V
CC
20
10
R4
100 k
OUTR
INR+
INR
OUTR+
12
13
11
6
R3
1
μ
F
VIR
RL = 8
OUTR
BTL/SE
4
10 k
10 k
RL = 8
C4
470
μ
F
C5
470
μ
F
Gain left
------
=
Gain right
------
=
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SA58632BS 制造商:NXP Semiconductors 功能描述:IC AMP AUDIO 2.2W STER 20HVQFN 制造商:NXP Semiconductors 功能描述:IC, AMP, AUDIO, 2.2W, STER, 20HVQFN
SA58632BS,118 功能描述:音頻放大器 2X2.2W BTL PWR AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
SA58632BS118 制造商:NXP Semiconductors 功能描述:IC AUDIO AMP AB 2.2W SON-20
SA58632BS-T 功能描述:音頻放大器 2X2.2W BTL PWR AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
SA58635UK,027 功能描述:音頻放大器 2x25mW cls-G stereo headphone driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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