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DS1666S-050 PDF预览

DS1666S-050

更新时间: 2024-11-29 22:19:51
品牌 Logo 应用领域
达拉斯 - DALLAS /
页数 文件大小 规格书
7页 54K
描述
Audio Digital Resistor

DS1666S-050 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:0.300 INCH, SOIC-16Reach Compliance Code:unknown
风险等级:5.82模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
功能数量:1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封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子位置:DUAL

DS1666S-050 数据手册

 浏览型号DS1666S-050的Datasheet PDF文件第2页浏览型号DS1666S-050的Datasheet PDF文件第3页浏览型号DS1666S-050的Datasheet PDF文件第4页浏览型号DS1666S-050的Datasheet PDF文件第5页浏览型号DS1666S-050的Datasheet PDF文件第6页浏览型号DS1666S-050的Datasheet PDF文件第7页 
DS1666, DS1666S  
DS1666, DS1666S  
Audio Digital Resistor  
FEATURES  
PIN ASSIGNMENT  
128 position, digitally controlled potentiometer  
NC  
U/D  
INC  
CS  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
NC  
Operates from a +5 volts power supply with TTL sig-  
V
V
V
V
V
CC  
B
nal inputs  
Wide analog voltage range of ±5 volts  
W
H
GND  
NC  
Resistive elements are temperature compensated to  
±20 percent end to end  
L
NC  
8
NC  
Low–power CMOS  
14–PIN DIP (300 MIL)  
See Mech. Drawings Section  
14–pinDIPor16–pinSOICforsurfacemountapplica-  
U/D  
NC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
CC  
tions  
NC  
NC  
V
B
Default position on power up sets wiper position at  
10%  
INC  
NC  
V
V
W
H
CS  
NC  
NC  
Operating temperature range  
NC  
–40°C to +85°C; industrial  
GND  
V
L
16–PIN SOIC (300 MIL)  
See Mech. Drawings Section  
Resolution/Step  
Resistance values Low End High End –3dB Point  
DS1666–10 10K  
DS1666–50 50KΩ  
DS1666–100100K243Ω  
24Ω  
122Ω  
152Ω  
759Ω  
1.519K100 KHz  
1.1 MHz  
200 KHz  
PIN DESCRIPTION  
V
V
V
High Terminal of Resistor  
Low Terminal of Resistor  
Wiper Terminal of Resistor  
Up/Down Control  
H
L
W
U/D  
INC  
CS  
Wiper Movement Control  
Chip Select for Wiper Movement  
No Connection  
NC  
V
CC  
+5 Volts  
GND  
Ground  
V
B
0 to –5 Volts  
DESCRIPTION  
The DS1666 is a solid–state potentiometer which is set  
to value by digitally controlled resistive elements. The  
potentiometer is composed of 127 resistive sections.  
Betweeneach resistive section and both ends of the po-  
tentiometerare TAP points accessible to the wiper. The  
positionofthewiperontheresistancearrayiscontrolled  
bytheCS, U/DandINCinputs. Thepositionofthewiper  
defaults to the 10% position on power up. The resolu-  
tion of the DS1666 is shown in Figure 1.  
TheDS1666DigitalAudioResistorisuniquelydesigned  
toprovideapotentiometerthatislogarithmicratherthan  
linear across its entire range. The lower half of the po-  
tentiometer advances 1% of total resistance for each  
3% of scale advanced, providing for precise amplifica-  
tion of low volume signals. The upper half of the poten-  
tiometer advances 2% of resistance for every 1% of  
scale advanced, providing for the lower resolution gain  
required for high volume amplification.  
022698 1/7  

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