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TDA7053AT/N2,112

更新时间： 2024-01-24 03:17:46
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管商用集成电路
页数 文件大小 规格书
16页 97K
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TDA7053AT

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TDA7053AT/N2,112 技术参数

生命周期：Obsolete包装说明：SOP,
Reach Compliance Code：unknown风险等级：5.73
商用集成电路类型：VOLUME CONTROL CIRCUIT谐波失真：0.3%
JESD-30 代码：R-PDSO-G16长度：10.3 mm
信道数量：2端子数量：16
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：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：2.65 mm
最大供电电压 (Vsup)：18 V最小供电电压 (Vsup)：4.5 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.5 mm
Base Number Matches：1

TDA7053AT/N2,112 数据手册

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Philips Semiconductors  
Product specification  
Stereo BTL audio output amplifier with DC  
volume control  
TDA7053A  
PINNING  
SYMBOL  
PIN  
DESCRIPTION  
not connected  
n.c.  
1
2
VC1  
DC volume control 1  
not connected  
n.c.  
3
n.c.  
VC1  
n.c.  
1
2
3
4
5
6
7
8
16  
OUT1  
15 n.c.  
14 PGND1  
VI (1)  
4
voltage input 1  
VP  
5
positive supply voltage  
voltage input 2  
VI (2)  
6
V
13  
12  
I (1)  
OUT1  
OUT2  
TDA7053A  
TDA7053AT  
SGND  
VC2  
7
signal ground  
V
P
8
DC volume control 2  
positive output 2  
power ground 2  
not connected  
V
OUT2+  
PGND2  
n.c.  
9
I (2)  
11 n.c.  
10  
11  
12  
13  
14  
15  
16  
PGND2  
SGND  
VC2  
10  
9
OUT2  
OUT2−  
OUT1−  
PGND1  
n.c.  
negative output 2  
negative output 1  
power ground 1  
not connected  
MSA719 - 2  
Fig.2 Pin configuration.  
OUT1+  
positive output 1  
For portable applications there is a trend to decrease the  
supply voltage, resulting in a reduction of output power at  
conventional output stages. Using the BTL principle  
increases the output power.  
FUNCTIONAL DESCRIPTION  
The TDA7053A and TDA7053AT are stereo output  
amplifiers with two DC volume control stages, designed for  
TV and monitors, but also suitable for battery-fed portable  
recorders and radios.  
The maximum gain of the amplifier is fixed at 40.5 dB.  
The DC volume control stages have a logarithmic control  
characteristic. Therefore, the total gain can be controlled  
from +40.5 to −33 dB.  
In conventional DC volume control circuits the control or  
input stage is AC coupled to the output stage via external  
capacitors to keep the offset voltage low.  
If the DC volume control voltage falls below 0.4 V, the  
device will switch to the mute mode.  
The two DC volume control stages are integrated into the  
input stages so that no coupling capacitors are required  
and a low offset voltage is still maintained. The minimum  
supply voltage also remains low.  
The amplifier is short-circuit protected to ground, VP and  
across the load. A thermal protection circuit is also  
implemented. If the crystal temperature rises above  
150 °C the gain will be reduced, thereby reducing the  
output power.  
The BTL principle offers the following advantages:  
• Lower peak value of the supply current  
• The frequency of the ripple on the supply voltage is twice  
the signal frequency.  
Special attention is given to switch-on and switch-off  
clicks, low HF radiation and a good overall stability.  
Consequently, a reduced power supply with smaller  
capacitors can be used which results in cost reductions.  
1997 Jul 15  
4
1234567...16

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TDA7053AT/N2,112 替代型号

型号 品牌 替代类型 描述 数据表
TDA7053ATD NXP

完全替代

 IC 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO16, Audio Control IC
TDA7053AT/N2,118 NXP

完全替代

 TDA7053AT

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