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参数资料
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： 2/53页
文件大小： 329K
代理商： TDF8599TD
TDF8599_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 30 July 2009
10 of 53
NXP Semiconductors
TDF8599
I2C-bus controlled dual channel class-D power amplier
The spread spectrum frequency (fSSM) can be calculated using Equation 2:
(2)
where the voltage on pin OSCSET = V1 and is calculated as 100 A × Rosc (V) with
ISSM =5 A.
The frequency swings between 0.95
× fosc and 1.05 × fosc; see Figure 8.
8.3.3 Frequency hopping (Master mode)
Frequency hopping is a technique used to change the oscillator frequency for AM tuner
compatibility. In Master mode, the resistor connected between pins OSCSET and AGND
sets the oscillator frequency (fosc). In I2C-bus mode, this frequency can be varied by
± 10 %. Set bit IB1[D4] to logic 1 and bit IB1[D3] to either logic 0 (0.9 × f
osc) or logic 1
(1.1
× f
osc).
8.3.4 Phase lock operation (Slave mode)
In Slave mode, Phase-Locked Loop (PLL) operation can be used to reduce the jitter effect
of the external oscillator signal connected to pin OSCIO. Phase lock operation is also
needed to enable phase staggering, see Section 8.4.2. Phase lock operation is enabled
when the oscillator is in Slave mode by connecting two capacitors (CPLL_s and CPLL_p) and
a resistor (RPLL) between pin SSM and pin AGND (see Figure 9).
a. Off
b. On
Fig 7.
Spread spectrum mode
f
SSM
I
SSM
2C
SSM
×
V
1
×
10 %
×
------------------------------------------------------ Hz
[]
=
001aai773
100
A
Rosc
SSM
Cosc
OSCSET
001aai774
100
A
5
A
ISSM
Rosc
SSM
Cosc
CSSM
OSCSET
Fig 8.
Spread spectrum operation in Master mode
001aai775
t (ms)
OSCIO
max(V)
min(V)
SSM
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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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