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DS1845B-050+ PDF预览

DS1845B-050+

更新时间： 2024-02-12 05:38:00
品牌 Logo 应用领域
美信 - MAXIM 转换器电阻器
页数 文件大小 规格书
14页 208K
描述
Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, PBGA16, 4 X 4 MM, LEAD FREE, CSBGA-16

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DS1845B-050+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：BGA
包装说明：BGA, BGA16,4X4,40针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：8 weeks
风险等级：1.54其他特性：NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 10000 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY
控制接口：2-WIRE SERIAL转换器类型：DIGITAL POTENTIOMETER
JESD-30 代码：S-PBGA-B16JESD-609代码：e3
长度：4 mm湿度敏感等级：3
功能数量：2位置数：256
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：BGA封装等效代码：BGA16,4X4,40
封装形状：SQUARE封装形式：GRID ARRAY
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：1.5 mm
子类别：Digital Potentiometers标称供电电压：3 V
表面贴装：YES标称温度系数：30 ppm/ °C
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：BALL端子节距：1 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：30
标称总电阻：50000 Ω宽度：4 mm
Base Number Matches：1

DS1845B-050+ 数据手册

 浏览型号DS1845B-050+的Datasheet PDF文件第2页浏览型号DS1845B-050+的Datasheet PDF文件第3页浏览型号DS1845B-050+的Datasheet PDF文件第4页浏览型号DS1845B-050+的Datasheet PDF文件第5页浏览型号DS1845B-050+的Datasheet PDF文件第6页浏览型号DS1845B-050+的Datasheet PDF文件第7页 
DS1845  
Dual NV Potentiometer  
and Memory  
www.maxim-ic.com  
FEATURES  
CꢀTwo linear taper potentiometers  
ꢀꢁ DS1845-010 one 10k, 100 position &  
one 10k, 256 position  
SDA  
SCL  
A0  
A1  
A2  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
Vcc  
H0  
W1  
H1  
L1  
ꢀꢁ DS1845-050 one 10k, 100 position &  
one 50k, 256 postition  
ꢀꢁ DS1845-100 one 10k, 100 position &  
one 100k, 256 position  
WP  
GND  
W0  
L0  
Cꢀ256 bytes of EEPROM memory  
CꢀAccess to data and potentiometer control via  
an I2C compatible 2-wire interface  
CꢀExternal Write Enable pin to protect data and  
potentiometer settings  
8
14-Pin TSSOP (173 mil)  
Top View  
CꢀNonvolatile wiper storage  
A
B
C
CꢀOperates from 3V or 5V supplies  
CꢀPackaging: Flip Chip Package, 16-ball  
CSBGA, 14-pin TSSOP  
CꢀIndustrial operating temperature: -40ºC to  
+85ºC  
D
1
2
3
4
16-Ball CSBGA (4mm x 4mm)  
14-Pin Flip Chip (100-mil x 100-mil) (Not Shown)  
DESCRIPTION  
The DS1845 Dual NV Potentiometer and Memory consists of oneꢁ100-position linear taper  
potentiometer, oneꢁ256-position linear taper potentiometer, 256 bytes of EEPROM memory, and a 2-wire  
interface. The device provides an ideal method for setting bias voltages and currents in control  
applications using a minimum of circuitry. The EEPROM memory allows a user to store configuration  
or calibration data for a specific system or device as well as provide control of the potentiometer wiper  
settings. Any type of user information may reside in the first 248 bytes of this memory. The next two  
addresses of EEPROM memory are for potentiometer settings. Access to this EEPROM is via an  
industry standard 2-wire bus. The wiper position of the DS1845, as well as EEPROM data, can be  
hardware write-protected using the Write Protect (WP) input pin. Up to eight DS1845s can be installed  
on a single 2-wire bus. Access to an individual device is achieved by using a device address that is  
determined by the logic levels of address pins A0 though A2. Additionally, the DS1845 will operate  
from 3 volt or 5 volt supplies. Three package options are available: Flip Chip Package, 16-ball CSBGA  
and 14-pin TSSOP.  
1 of 14  
011006  
1234567...14

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