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TDA1074AN

更新时间： 2024-02-02 10:26:27
品牌 Logo 应用领域
飞利浦 - PHILIPS 光电二极管转换器
页数 文件大小 规格书
15页 166K
描述
D/A Converter, Bipolar, PDIP18,

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TDA1074AN 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：DIP, DIP18,.3Reach Compliance Code：unknown
风险等级：5.88转换器类型：D/A CONVERTER
JESD-30 代码：R-PDIP-T18JESD-609代码：e0
端子数量：18最高工作温度：80 °C
最低工作温度：-30 °C封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP18,.3
封装形状：RECTANGULAR封装形式：IN-LINE
电源：20 V认证状态：Not Qualified
子类别：Digital Potentiometers标称供电电压：20 V
表面贴装：NO技术：BIPOLAR
温度等级：COMMERCIAL EXTENDED端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUALBase Number Matches：1

TDA1074AN 数据手册

 浏览型号TDA1074AN的Datasheet PDF文件第1页浏览型号TDA1074AN的Datasheet PDF文件第3页浏览型号TDA1074AN的Datasheet PDF文件第4页浏览型号TDA1074AN的Datasheet PDF文件第5页浏览型号TDA1074AN的Datasheet PDF文件第6页浏览型号TDA1074AN的Datasheet PDF文件第7页 
Philips Semiconductors  
Product specification  
Dual tandem electronic  
potentiometer circuit  
TDA1074A  
GENERAL DESCRIPTION  
The TDA1074A is a monolithic integrated circuit designed for use as volume and tone control circuit in stereo amplifiers.  
This dual tandem potentiometer IC consists of two ganged pairs of electronic potentiometers with the eight inputs  
connected via impedance converters, and the four outputs driving individual operational amplifiers. The setting of each  
electronic potentiometer pair is controlled by an individual d.c. control voltage. The potentiometers operate by current  
division between the arms of cross-coupled long-tailed pairs. The current division factor is determined by the level and  
polarity of the d.c. control voltage with respect to an externally available reference level of half the supply voltage. Since  
the electronic potentiometers are adjusted by a d.c. control voltage, each pair can be controlled by single linear  
potentiometers which can be located in any position dictated by the equipment styling. Since the input feedback  
impedances around the operational amplifier gain blocks are external, the TDA1074A can perform bass/treble and  
volume/loudness control. It also can be used as a low-level fader to control the sound distribution between the front and  
rear loudspeakers in car radio installations.  
Features  
• High impedance inputs to both ‘ends’ of each electronic potentiometer  
• Ganged potentiometers track within 0,5 dB  
• Electronic rejection of supply ripple  
• Internally generated reference level available externally so that the control voltage can be made to swing positively  
and negatively around a well-defined 0 V level  
• The operational amplifiers have push-pull outputs for wide voltage swing and low current consumption  
• The operational amplifier outputs are current limited to provide output short-circuit protection  
• Although designed to operate from a 20 V supply (giving a maximum input and output signal level of 6 V), the  
TDA1074A can work from a supply as low as 7,5 V with reduced input and output signal levels.  
QUICK REFERENCE DATA  
Supply voltage (pin 11)  
V
typ.  
typ.  
max.  
max.  
typ.  
typ.  
typ.  
typ.  
typ.  
typ.  
20 V  
22 mA  
P
Supply current (pin 11)  
I
P
Input signal voltage (r.m.s. value)  
Output signal voltage (r.m.s. value)  
Total harmonic distortion  
V
V
6 V  
i(rms)  
6 V  
o(rms)  
THD  
0,05 %  
50 µV  
Output noise voltage (r.m.s. value)  
Control range  
V
no(rms)  
∆α  
110 dB  
80 dB  
Cross-talk attenuation (L/R)  
Ripple rejection (100 Hz)  
α
α
ct  
46 dB  
100  
Tracking of ganged potentiometers  
Supply voltage range  
∆G  
0,5 dB  
v
V
7,5 to 23 V  
−30 to + 80 °C  
P
Operating ambient temperature range  
T
amb  
PACKAGE OUTLINE  
18-lead DIL; plastic (SOT102); SOT102-1; 1996 July 18.  
December 1982  
2
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