參數(shù)資料
型號(hào)： SA58631TK
廠商： NXP Semiconductors N.V.
元件分類： 音頻放大器
英文描述： 3 W BTL audio amplifier
封裝： SA58631TK<SOT909-1 (HVSON8)|<<http://www.nxp.com/packages/SOT909-1.html<1<Always Pb-free,;SA58631TK<SOT909-1 (HVSON8)|<<http://www.nxp.com/packages/SOT909-1.html<1<
文件頁(yè)數(shù)： 16/21頁(yè)
文件大?。?/td> 130K
代理商： SA58631TK
SA58631_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 12 October 2007
4 of 21
NXP Semiconductors
SA58631
3 W BTL audio amplier
7.2 Pin description
8.
Functional description
The SA58631 is a single-channel BTL audio amplier capable of delivering 3 W output
power to an 8
load at THD+N = 10 % using a 9 V power supply. Using the MODE pin,
the device can be switched to standby and mute condition. The device is protected by an
internal thermal shutdown protection mechanism. The gain can be set within a range of
6 dB to 30 dB by external feedback resistors.
8.1 Power amplier
The power amplier is a Bridge Tied Load (BTL) amplier with a complementary
PNP-NPN output stage. The voltage loss on the positive supply line is the saturation
voltage of a PNP power transistor, on the negative side the saturation voltage of an NPN
power transistor. The total voltage loss is < 1 V. With a supply voltage of 9 V and an 8
loudspeaker, an output power of 3 W can be delivered to the load.
8.2 Mode select pin (MODE)
The device is in Standby mode (with a very low current consumption) if the voltage at the
MODE pin is greater than VCC 0.5 V, or if this pin is oating. At a MODE voltage in the
range between 1.5 V and VCC 1.5 V the amplier is in a mute condition. The mute
condition is useful to suppress plop noise at the output, caused by charging of the input
capacitor.
Table 3.
Pin description
Symbol
Pin
Description
MODE
1
operating mode select (standby, mute, operating)
SVR
2
half supply voltage, decoupling ripple rejection
IN+
3
positive input
IN
4
negative input
OUT
5
negative output terminal
VCC
6
supply voltage
GND
7
ground
OUT+
8
positive output terminal
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SA58631TK,115 功能描述:音頻放大器 3W BTL AUDIO AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型: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
SA58631TK,118 功能描述:音頻放大器 3W BTL AUDIO AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型: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
SA58631TK,157 功能描述:音頻放大器 3W BTL AUDIO AMPLIFIER RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型: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
SA58631TK115 制造商:NXP Semiconductors 功能描述:IC AUDIO AMP AB 3W SON-8
SA58631TK-G 功能描述:音頻放大器 3W BTL AUDIO AMP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型: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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