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DS1808Z-050/TR PDF预览

DS1808Z-050/TR

更新时间: 2024-11-06 19:51:47
品牌 Logo 应用领域
达拉斯 - DALLAS 光电二极管转换器
页数 文件大小 规格书
17页 431K
描述
Digital Potentiometer, PDSO16,

DS1808Z-050/TR 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.87
转换器类型:DIGITAL POTENTIOMETERJESD-30 代码:R-PDSO-G16
JESD-609代码:e0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
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5,5/13.2 V
认证状态:Not Qualified子类别:Digital Potentiometers
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

DS1808Z-050/TR 数据手册

 浏览型号DS1808Z-050/TR的Datasheet PDF文件第2页浏览型号DS1808Z-050/TR的Datasheet PDF文件第3页浏览型号DS1808Z-050/TR的Datasheet PDF文件第4页浏览型号DS1808Z-050/TR的Datasheet PDF文件第5页浏览型号DS1808Z-050/TR的Datasheet PDF文件第6页浏览型号DS1808Z-050/TR的Datasheet PDF文件第7页 
DS1808  
Dual Log Digital Potentiometer  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT  
C Two 32-position log-tapers  
C 60dB attenuation range:  
–1dB per step (12 taps)  
VDD  
VCC  
SCL  
SDA  
CE  
W
16  
15  
14  
13  
12  
GND  
A2  
1
2
3
4
5
6
7
8
–2dB per step (12 taps)  
A1  
–3dB per step (8 taps)  
–90dB low-end attenuation  
C 2-Wire Interface Control  
C Power Supply: Dual M12V  
C Maximum Voltage Across Potentiometers:  
MꢀꢁV  
VB  
A0  
W0  
L0  
11  
10  
9
H1  
C Standard Resistance Value: 45kꢂ  
C Packages: 16-Pin SOIC  
C Operating Temperature: -40oC to +85oC  
H0  
L1  
16-Pin SOIC (150-mil)  
ORDERING INFORMATION  
PIN DESCRIPTION  
DS1808Z-050  
16-Pin SOIC -40ºC to  
VCC  
- +12V Supply  
+85ºC 45k  
VB  
- -12V Supply (substrate bias)  
- 5V Digital Supply  
VDD  
DS1808Z-050/T&R 16-Pin SOIC -40ºC to  
H0, H1  
L0, L1  
W0, W1  
SDA  
SCL  
/CE  
- High-end Terminals  
- Low-end Terminals  
- Wiper Terminals  
+85ºC 45kΩ  
- 2-Wire Serial Data Input/Output  
- 2-Wire Clock Input  
- 2-Wire Interface Enable  
- Ground  
GND  
A0, A1, A2 - Address Pins  
DESCRIPTION  
The DS1808 is a dual-channel, digitally controlled, log-taper potentiometer. Each potentiometer is  
comprised of 32 wiper terminal positions plus a mute position. The device has three accessible  
potentiometer terminals that include the high-side terminal (H), the low-side terminal (L), and the wiper  
terminal (W). The resolution of the DS1808 is shown in Figure 8 and represents 1dB per step for the first  
12 taps, 2dB per step for the next 12 taps and 3dB per step for the bottom 8 taps, providing a total  
attenuation range of 60dB. The mute position of the DS1808 provides greater than 90dB of attenuation.  
The wiper position on the resistor ladder is selected via a 6-bit register, whose value is controlled by the  
industry-standard 2-wire interface. The interface consists of two control signals: SDA and SCL. The  
DS1808 is available in a standard 45kꢂꢃresistor value. The DS1808 is specified to operate over the  
industrial temperature range (-40oC to +85oC) and is available in the 16-pin SOIC package. The DS1808  
was designed for low-cost, stereo volume control applications. The device is specified to operate from  
±12V ±10% supplies and accept a maximum input signal range of ±12V.  
1 of 17  
072601  

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