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TPA0242PWPR PDF预览

TPA0242PWPR

更新时间： 2024-11-26 02:58:43
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器光电二极管商用集成电路
页数 文件大小 规格书
29页 444K
描述
STEREO 2.8-W AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL AND MUX CONTROL

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中文翻译

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TPA0242PWPR 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：HTSSOP, TSSOP24,.25针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.79商用集成电路类型：VOLUME CONTROL CIRCUIT
谐波失真：10%JESD-30 代码：R-PDSO-G24
JESD-609代码：e4长度：7.8 mm
湿度敏感等级：2频带数量：1
信道数量：2功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP24,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Audio/Video Amplifiers最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

TPA0242PWPR 数据手册

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TPA0242  
STEREO 2-W AUDIO POWER AMPLIFIER  
WITH DC VOLUME CONTROL AND MUX CONTROL  
SLOS287 – NOVEMBER 1999  
PWP PACKAGE  
(TOP VIEW)  
Compatible With PC 99 Desktop Line-Out  
Into 10-kΩ Load  
Compatible With PC 99 Portable Into 8-Ω  
Load  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
GND  
HP/LINE  
VOLUME  
LOUT+  
LLINEIN  
LHPIN  
GND  
2
RLINEIN  
SHUTDOWN  
ROUT+  
RHPIN  
3
Internal Gain Control, Which Eliminates  
External Gain-Setting Resistors  
4
5
DC Volume Control From 20 dB to –40 dB  
2-W/Ch Output Power Into 3-Ω Load  
Input MUX Select Terminal  
PC-Beep Input  
6
V
DD  
7
PV  
PV  
DD  
DD  
8
RIN  
LOUT–  
LIN  
BYPASS  
GND  
CLK  
9
ROUT–  
SE/BTL  
PC-BEEP  
GND  
10  
11  
12  
Depop Circuitry  
Stereo Input MUX  
Fully Differential Input  
Low Supply Current and Shutdown Current  
Surface-Mount Power Packaging  
24-Pin TSSOP PowerPAD  
description  
The TPA0242 is a stereo audio power amplifier in a 24-pin TSSOP thermally enhanced package capable of  
delivering 2 W of continuous RMS power per channel into 3-Ω loads. This device minimizes the number of  
external components needed, which simplifies the design and frees up board space for other features. When  
driving 1 W into 8-Ω speakers, the TPA0242 has less than 0.22% THD+N across its specified frequency range.  
Included within this device is integrated depop circuitry that virtually eliminates transients that cause noise in  
the speakers.  
Amplifier gain is controlled by a dc voltage input on the VOLUME terminal. There are 31 discrete steps covering  
the range of 20 dB (maximum volume setting) to –40 dB (minimum volume setting) in 2 dB steps. When the  
VOLUME terminal exceeds 3.54 V, the device is muted. An internal input MUX allows two sets of stereo inputs  
to the amplifier. The HP/LINE terminal allows the user to select which MUX input is active regardless of whether  
the amplifier is in SE or BTL mode. In notebook applications, where internal speakers are driven as BTL and  
the line outputs (often headphone drive) are required to be SE, the TPA0242 automatically switches into SE  
mode when the SE/BTL input is activated, and this effectively reduces the gain by 6 dB.  
The TPA0242 consumes only 20 mA of supply current during normal operation. A miserly shutdown mode  
reduces the supply current to less than 150 µA.  
The PowerPAD package (PWP) delivers a level of thermal performance that was previously achievable only  
in TO-220-type packages. Thermal impedances of approximately 35°C/W are truly realized in multilayer PCB  
applications. This allows the TPA0242 to operate at full power into 8-Ω loads at ambient temperatures of 85°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PowerPAD is a trademark of Texas Instruments Incorporated.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...29

中文翻译

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TPA0242PWPR 替代型号

型号 品牌 替代类型 描述 数据表
TPA0242PWPG4 TI

完全替代

 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24, GREEN, PLASTIC, HTSSOP-24
TPA0242PWP TI

完全替代

 STEREO 2-W AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL AND MUX CONTROL

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