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| 型号： | TDF8599TD |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 70 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | PLASTIC, SOT851-2, HSOP-36 |
| 文件页数： | 51/53页 |
| 文件大小： | 329K |
| 代理商： | TDF8599TD |
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TDF8599_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 30 July 2009
7 of 53
NXP Semiconductors
TDF8599
I2C-bus controlled dual channel class-D power amplier
The TDF8599 includes integrated common circuits for all channels such as the oscillator,
all reference sources, mode functionality and a digital timing manager. In addition, the
built-in protection includes thermal foldback, temperature, overcurrent and overvoltage
(load dump).
The TDF8599 operates in either I2C-bus mode or non-I2C-bus mode. In I2C-bus mode,
DC load detection, frequency hopping and extended conguration functions are provided
together with enhanced diagnostic information.
8.2 Mode selection
The mode pins EN, ADS and SEL_MUTE enable mute state, I2C-bus mode and Operating
mode switching.
Pin SEL_MUTE is used to mute and unmute the device and must be connected to an
external capacitor (CON). This capacitor generates a time constant which is used to
ensure smooth fade-in and fade-out of the input signal.
The TDF8599 is enabled when pin EN is HIGH. When pin EN is LOW, the TDF8599 is off
and the supply current is at its lowest value (typically 2
A). When off, the TDF8599 is
completely deactivated and will not react to I2C-bus commands.
I2C-bus mode is selected by connecting a resistor between pins ADS and AGND. In
Non-I2C-bus mode is selected by connecting pin ADS to pin AGND. In non-I2C-bus mode,
the default TDF8599 state is Mute mode. The ampliers switch idle (50 % duty cycle) and
the audio signal is suppressed at the output. In addition, the capacitor (CSVRR) is charged
to half the supply voltage. To enter Operating mode, pin SEL_MUTE must be HIGH with
addition, pin EN must be driven HIGH.
Table 5 on page 8. Switches S1 and S2 are shown in Figure 4.
a. Non-I2C-bus mode
b. I2C-bus mode
See Table 13 for detailed information on
RADS.
Fig 4.
Mode selection
001aai769
SEL_MUTE
EN
3.3 V
CON
S1
S2
TDF8599
ADS
AGND
001aai770
SEL_MUTE
EN
3.3 V
CON
S2
TDF8599
ADS
RADS
AGND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDF8599TD/N2,512 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDF8599TD/N2,518 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDF8599TH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:I2C-bus controlled dual channel 43 W/2 W single channel 85 W/1 W class-D power amplifier with load diagnostics |
| TDF8599TH/N2,512 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDF8599TH/N2,518 | 功能描述:音频放大器 IC AMP AUDIO PWR 85W D RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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