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參數(shù)資料
| 型號： | TDF8554J/N4 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37 |
| 封裝： | PLASTIC, SOT725-1, 37 PIN |
| 文件頁數(shù)： | 12/56頁 |
| 文件大?。?/td> | 597K |
| 代理商： | TDF8554J/N4 |
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TDF8554J
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 31 August 2011
2 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
Programmable thermal pre-warning
If the temperature protection of the regulator is activated, the amplifier is muted
before the regulator is switched off
Loss of ground and open VP safe (with 150 m series impedance and a maximum
supply decoupling capacitor of 2200
F)
All amplifier outputs short-circuit proof to ground, supply voltage and across the
load (channel independent)
All pins short-circuit proof to ground
Temperature-controlled gain reduction to prevent audio holes at high junction
temperatures
Programmable low battery voltage detection to enable 7.5 V or 6 V minimum
battery voltage operation
Overvoltage protection (load-dump safe up to VP = 50 V) and overvoltage
pre-warning at 16 V
Offset detection
Multiple regulator
Good stability for any regulator with almost any output capacitor
Five voltage regulators (microcontroller, display, audio processor, mechanical
digital and mechanical drive)
I2C-bus controlled
Selectable output voltages for regulators 1, 4 and 5
Low dropout voltage PNP output stages
High supply voltage ripple rejection
Low noise for all regulators
Two power switches (antenna switch and amplifier switch)
Standby regulator (microcontroller supply) operational during load dump and
thermal shut-down
Low standby quiescent current (only regulator 2 operational)
Backup functionality for regulator 2
Protection
If connection to the battery voltage is reversed, all regulator voltages will be zero
Able to withstand output voltages up to 18 V if supply line is short-circuited
Thermal protection to avoid thermal breakdown
Load-dump protection
Regulator outputs protected from DC short-circuit to ground or to supply voltage
All regulators protected by foldback current limiting
Power switches protected from loss-of-ground
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| TDF8555J/N1 | 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37 |
| TDF8599TD | 70 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| TDF8599TH | 70 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| TDF8704T/4-T | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO24 |
| TDF8704T/5-T | 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO24 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDF8590TH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 X 80 W SE (4 OHM) or 1 X 160 W BTL (8 OHM) class-D amplifier |
| TDF8590TH/N1,118 | 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/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 |
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