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DS1844S-050+ PDF预览

DS1844S-050+

更新时间: 2024-02-02 22:00:33
品牌 Logo 应用领域
美信 - MAXIM 光电二极管转换器电阻器
页数 文件大小 规格书
14页 262K
描述
Digital Potentiometer, 4 Func, 50000ohm, 2-wire Serial Control Interface, 64 Positions, CMOS, PDSO20, 0.300 INCH, SOIC-20

DS1844S-050+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:8.48
其他特性:REST 3 RESISTOR ARRAY VALUES ARE 50000 OHMS EACH WITH 64 TAP POSITION标称带宽:0.2 kHz
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:12.8 mm湿度敏感等级:1
功能数量:4位置数:64
端子数量:20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:SOP20,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified电阻定律:LINEAR
最大电阻容差:20%最大电阻器端电压:3.5 V
最小电阻器端电压:-0.5 V座面最大高度:2.65 mm
子类别:Digital Potentiometers标称供电电压:3 V
表面贴装:YES技术:CMOS
标称温度系数:750 ppm/ °C温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30标称总电阻:50000 Ω
宽度:7.5 mmBase Number Matches:1

DS1844S-050+ 数据手册

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DS1844  
Quad Digital Potentiometer  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT  
CꢀFour independent, digitally controlled 64-  
position potentiometers  
PS  
H2  
H3  
W3  
L3  
1
2
3
4
5
6
7
8
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
VCC  
H1  
H0  
W0  
L0  
L1  
W1  
SCL, CLK  
SDA, DIN  
A1, DOUT  
CꢀTwo interface control options  
-
-
5-wire serial  
2-wire addressable  
CꢀStandard resistance values  
-
-
-
DS1844-010 10 k  
DS1844-050 50 kꢀ  
DS1844-100 100 kꢀ  
L2  
W2  
R/W, A0  
A2, RST  
GND  
CꢀMixed resistor value combinations (contact  
factory for availability)  
9
10  
CꢀOperating Temperature Range  
- Industrial: -40°C to +85°C  
20-Pin DIP (300-mil)  
20-Pin SOIC (300-mil)  
20-Pin TSSOP (173-mil)  
PIN DESCRIPTION  
VCC  
PS  
- 2.7V to 5.5V  
- Port Select  
A0, A1, A2 - Device Select Pins (2-Wire)  
SDA  
SCL  
- Serial Data I/O (2-Wire)  
- Serial Clock (2-Wire)  
R/ W  
RST  
DIN  
- Read/Write enable (5-Wire)  
- Serial Port Reset Input (5-Wire)  
- Serial Port Data Input (5-Wire)  
- Serial Port Clock Input (5-Wire)  
- Cascade Data Output (5-Wire)  
- High-end Terminal of Pot  
- Low-end Terminal of Pot  
- Wiper Terminal of Pot  
CLK  
DOUT  
H0-H3  
L0-L3  
W0-W3  
GND  
- Ground  
DESCRIPTION  
The DS1844 Quad Digital Potentiometer is a four-channel, digitally controlled linear potentiometer. Each  
potentiometer is comprised of 63 equi-resistive sections and has three terminals accessible to the user.  
These include the high side terminals, HX, the wiper terminals, WX, and the low-side terminals, LX. The  
wiper position on the resistor ladder is selected via an 8-bit register value. Communication and control of  
the device are supported by two types of serial interface. These include a 5-wire I/O shift register  
interface and a 2-wire addressable interface.  
1 of 14  
053105  

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