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TDA7490 PDF预览

TDA7490

更新时间: 2024-11-15 22:53:11
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 放大器
页数 文件大小 规格书
9页 211K
描述
25W 25W STEREO CLASS-D AMPLIFIER 50W MONO IN BTL

TDA7490 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:ZFM包装说明:FLEXIWATT-25
针数:25Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.77标称带宽:22 kHz
商用集成电路类型:AUDIO AMPLIFIER增益:30 dB
谐波失真:10%JESD-30 代码:R-PZFM-T25
JESD-609代码:e3信道数量:2
功能数量:1端子数量:25
最高工作温度:70 °C最低工作温度:
标称输出功率:25 W封装主体材料:PLASTIC/EPOXY
封装代码:ZIP封装等效代码:ZIP25,.16,.16,40
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED电源:+-10/+-25 V
认证状态:Not Qualified子类别:Audio/Video Amplifiers
最大压摆率:120 mA最大供电电压 (Vsup):25 V
最小供电电压 (Vsup):10 V表面贴装:NO
温度等级:COMMERCIAL端子面层:Tin (Sn)
端子形式:THROUGH-HOLE端子节距:1 mm
端子位置:ZIG-ZAG处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

TDA7490 数据手册

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TDA7490  
®
25W + 25W STEREO CLASS-D AMPLIFIER  
50W MONO IN BTL  
PRODUCT PREVIEW  
25W + 25W OUTPUT POWER:  
RL = 8/4Ω; THD = 10%  
HIGH EFFICIENCY  
WIDE SUPPLY VOLTAGE RANGE (FROM  
±10 TO ±25V)  
SPLIT SUPPLY  
TURN OFF/ON POP FREE  
ST-BY AND MUTE FEATURES  
Flexiwatt 25  
ORDERING NUMBER: TDA7490  
SHORT CIRCUIT PROTECTION ACROSS  
THE LOAD  
THERMAL OVERLOAD PROTECTION  
EXTERNALLY SINCHRONIZABLE  
BRIDGE CONFIGURATION  
DESCRIPTION  
The TDA7490 is a dual audio class D amplifier  
assembled in Flexiwatt 25 package; it is specially  
designed for high efficiency application mainly for  
TV and Home Stereo sets.  
Figure 1. Test and application circuit. (Stereo Configuration)  
R1 10K  
MUTE  
R17 52.3K  
+VCC  
-VCC  
+VCC  
STBY  
R2  
30K  
C26 470pF C25 470pF  
R21 4.7K  
R20  
68K  
R4  
130K  
C23  
2200µF  
C22  
100nF  
C21  
2200µF  
-VCC  
R3  
10K  
C27  
2.2µF  
R15  
100  
7
9
6
14  
2
4
C1 330nF  
10  
5
3
C20  
33nF  
C19  
560pF  
INPUT1  
G=2.5  
PWM-stage1  
OUT1  
C2  
1nF  
INTEGRATOR1  
PREAMPLIFIER1  
12  
L1 30µ  
C10  
220nF  
C18 330pF  
R14 22K  
11  
C3  
100nF  
13  
16  
1
C4  
100nF  
8
OSC  
EXT_CK  
R1 10K  
-VCC  
C17  
24pF  
R13  
10K  
C16 330pF  
R12 22K  
C7 100nF  
C5 330nF  
15  
23  
21  
-VCC  
25  
R 6.8  
L2 30µ  
OUT2  
PREAMPLIFIER2  
INTEGRATOR2  
C29  
220nF  
INPUT2  
G=2.5  
PWM-stage2  
20  
C14  
33nF  
C15  
18  
560pF  
C6  
1nF  
24  
22  
19  
C8 470pF  
17  
R11  
100  
R5 4.7K  
-VCC  
R6  
68K  
C9 470pF  
C28  
2200µF  
C11  
100nF  
C12  
2200µF  
-VCC  
+VCC  
D98AU978A  
R9 52.3K  
1/9  
December 1999  
This is preliminary information on a new product now in development. Details are subject to change without notice.  

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