參數(shù)資料
型號: TDA8925
廠商: NXP Semiconductors N.V.
元件分類: 運動控制電子
英文描述: Power stage 2 x 15 to 25Wclass-D audio amplifier
中文描述: 功率級2 × 15 25Wclass - D音頻放大器
文件頁數(shù): 12/23頁
文件大?。?/td> 214K
代理商: TDA8925
2004 May 06
12
Philips Semiconductors
Product specification
Power stage 2 x 15 to 25 W class-D
audio amplifier
TDA8925
15.1
SE application
For SE application the application diagram as shown in Fig.5 can be used.
15.2
Package ground connection
The heatsink of the TDA8925 is connected internally to V
SS
.
15.3
Output power
The output power in SE self oscillating class-D applications can be estimated using the formula
R
R
R
+
+
R
L
×
The maximum current
should not exceed 3 A.
Where:
R
L
= load impedance
R
s
= series resistance of filter coil
P
o(1%)
= output power just at clipping.
The output power at THD = 10 %: P
o(10%)
= 1.25
×
P
o(1%)
.
15.4
Reference design
The reference design for a self oscillating class-D system for the TDA8925 is shown in Fig.5. The Printed-Circuit
Board (PCB) layout is shown in Figs 6, 7 and 8. The bill of materials is given in Section 15.5.1.
P
o(1%)
R
-----------------------2
V
P
×
2
=
I
O(max)
V
R
L
R
ds(on)
R
s
+
+
-------------------------------------------
=
相關PDF資料
PDF描述
TDA8925J Power stage 2 x 15 to 25Wclass-D audio amplifier
TDA8925ST Power stage 2 x 15 to 25Wclass-D audio amplifier
TDA8939 Zero dead time Class-D 7.5 A power comparator
TDA8939TH Zero dead time Class-D 7.5 A power comparator
TDA9181 Integrated multistandard comb filter
相關代理商/技術參數(shù)
參數(shù)描述
TDA8925J 制造商:Panasonic Industrial Company 功能描述:IC
TDA8925J/N1,112 功能描述:IC AMP AUDIO PWR 20W STER 17SIL RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
TDA8925ST 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power stage 2 x 15 to 25Wclass-D audio amplifier
TDA8925ST/N1,112 功能描述:IC AMP AUDIO PWR 20W STER 17SIL RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
TDA8926 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Power stage 2 x 50 W class-D audio amplifier