參數(shù)資料
型號(hào): TDF8553J
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 87 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
封裝: PLASTIC, SOT725-1
文件頁(yè)數(shù): 36/47頁(yè)
文件大?。?/td> 391K
代理商: TDF8553J
TDF8553J_1
NXP B.V. 2008. All rights reserved.
Objective data sheet
Rev. 01 — 3 December 2008
41 of 47
NXP Semiconductors
TDF8553J
4
× 50 Watt power amplier and multiple voltage regulator
12.2 Beep input circuit
Beep input circuit to amplify the beep signal from the microcontroller to all 4 ampliers
(gain = 0 dB). Note that this circuit will not affect amplier performance.
12.3 Noise
The outputs of regulators 1 to 6 are designed to give very low noise with good stability.
The noise output voltage depends on output capacitor Co. Table 17 shows the affect of the
output capacitor on the noise gure.
Fig 30. Printed-circuit board layout of test and application circuit showing bottom copper layout and bottom
components viewed from bottom
001aai765
Fig 31. Application diagram for beep input
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From
microcontroller
1.7 k
0.22
F
100
2.2
F
47 pF
TDF8553J
ACGND
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TDF8554J/N2 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
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TDF8590TH/N1S,118 功能描述:音頻放大器 4/8 OHM CLASS D 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
TDF8590TH/N1-T 功能描述:音頻放大器 AMPLIFIER CLASS D 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
TDF8590TH/N1TJ 制造商:NXP Semiconductors 功能描述:- Tape and Reel