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ISL95710UIU10Z-T PDF预览

ISL95710UIU10Z-T

更新时间： 2024-01-31 01:18:52
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
8页 238K
描述
Terminal Voltage 3V or 5V, 128 Taps Up/Down Interface

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ISL95710UIU10Z-T 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：MSOP包装说明：TSSOP, TSSOP10,.19,20
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83其他特性：NONVOLATILE MEMORY
控制接口：INCREMENT/DECREMENT转换器类型：DIGITAL POTENTIOMETER
JESD-30 代码：S-PDSO-G10JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1位置数：128
端子数量：10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：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：+-3.3/+-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：5.5 V
最小电阻器端电压：-5.5 V座面最大高度：1.1 mm
子类别：Digital Potentiometers标称供电电压：3.3 V
表面贴装：YES技术：CMOS
标称温度系数：50 ppm/ °C温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40标称总电阻：50000 Ω
宽度：3 mmBase Number Matches：1

ISL95710UIU10Z-T 数据手册

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ISL95710  
A.C. Timing  
CS  
t
CYC  
t
CPHNS  
t
t
t
t
t
CPHS  
CI  
IL  
IH  
IC  
90%  
10%  
90%  
INC  
U/D  
t
t
t
t
R
ID  
DI  
F
t
IW  
(1)  
MI  
R
W
Note (1): MI in the timing diagram refers to the minimum incremental change in the wiper position.  
Chip Select (CS)  
Power Up and Down Requirements  
The device is selected when the CS input is LOW. The  
current wiper counter value is stored in nonvolatile memory  
when CS is returned HIGH while the INC input is also HIGH.  
After the store operation is complete the ISL95710 will be  
placed in the low power standby mode until the device is  
selected once again.  
In order to prevent unwanted tap position changes, or an  
inadvertent store, bring the CS and INC high before or  
concurrently with the V  
pin on power-up. The  
CC  
potentiometer voltages must be applied after this sequence  
is completed. During power-up, the data sheet parameters  
for the DCP do not fully apply until 1ms after V  
reaches its  
CC  
ramp spec is always in effect.  
final value. The V  
CC  
Principles of Operation  
Pin Descriptions  
There are three sections of the ISL95710: the input control,  
wiper counter and decode section; the nonvolatile memory;  
and the resistor array. The input control section operates as  
an up/down counter. The output of this wiper counter is  
decoded to turn on a electronic switch connecting a point on  
the resistor array to the wiper output. The contents of the  
wiper counter can be stored in nonvolatile memory and  
retained for future use. The resistor array is comprised of  
individual resistors connected in series. At either end of the  
array and between each resistor is an electronic switch that  
transfers the potential at that point to the wiper.  
R and R  
H
L
The high (R ) and low (R ) terminals of the ISL95710 are  
H
L
equivalent to the fixed terminals of a mechanical  
potentiometer. The terminology of R and R references the  
L
H
relative position of the terminal in relation to wiper movement  
direction selected by the U/D input and not the voltage  
potential on the terminal.  
RW  
w
R
is the wiper terminal and is equivalent to the movable  
terminal of a mechanical potentiometer. The position of the  
wiper within the array is determined by the wiper counter.  
The wiper, when at either fixed terminal, acts like its  
mechanical equivalent and does not move beyond the last  
position. The wiper counter does not wrap around when  
clocked to either extreme.  
Up/Down (U/D)  
The U/D input controls the direction of the wiper movement  
and whether the wiper counter is incriminated or  
decremented.  
The electronic switches on the device operate in a “make  
before break” mode when the wiper changes tap positions. If  
the wiper is moved several positions, multiple taps are  
Increment (INC)  
connected to the wiper for t (INC to R change). The  
IW  
W
The INC input is negative-edge triggered. Toggling INC will  
move the wiper and either increment or decrement the wiper  
counter in the direction indicated by the logic level on the  
U/D input.  
R
value for the device can temporarily be reduced by  
TOTAL  
a significant amount if the wiper is moved several positions.  
When the device is powered-down, the last wiper position  
stored will be maintained in the nonvolatile memory. When  
FN8240.2  
6
August 17, 2005  
1...345678

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