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ISL23418UFUZ-TK PDF预览

ISL23418UFUZ-TK

更新时间： 2024-09-16 15:35:35
品牌 Logo 应用领域
瑞萨 - RENESAS 光电二极管转换器
页数 文件大小 规格书
20页 1200K
描述
Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™); MSOP10; Temp Range: -40° to 125°C

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ISL23418UFUZ-TK 技术参数

生命周期：Unknown零件包装代码：MSOP
包装说明：TSSOP, TSSOP10,.19,20针数：10
Reach Compliance Code：compliant风险等级：5.71
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PDSO-G10
JESD-609代码：e3湿度敏感等级：1
端子数量：10最高工作温度：125 °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：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：1.5/5,3/5 V认证状态：Not Qualified
子类别：Digital Potentiometers表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
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
Base Number Matches：1

ISL23418UFUZ-TK 数据手册

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DATASHEET  
ISL23418  
FN7901  
Rev 1.00  
September 24, 2015  
Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)  
The ISL23418 is a volatile, low voltage, low noise, low power,  
Features  
SPI™ bus, 128 taps, single digitally controlled potentiometer  
(DCP), which integrates DCP core, wiper switches, and control  
• 128 Resistor Taps  
logic on a monolithic CMOS integrated circuit.  
• SPI Serial Interface  
- No Additional Level Translator for Low Bus Supply  
- Daisy Chaining of Multiple DCP  
The digitally controlled potentiometer is implemented with a  
combination of resistor elements and CMOS switches. The  
position of the wiper is controlled by the user through the SPI  
bus interface. The potentiometer has an associated volatile  
Wiper Register (WR) that can be directly written to and read by  
the user. The contents of the WR controls the position of the  
wiper. When powered on, the ISL23418 wiper always  
commences at mid-scale (64-tap position).  
• Wiper Resistance: 70Typical @ V = 3.3V  
CC  
• Shutdown Mode: Forces DCP into End-to-end Open Circuit;  
RW Shorted to RL Internally  
• Power-on Preset to Mid-scale (64-tap Position)  
• Shutdown and Standby Current <2.8µA Max  
• Power Supply  
The low voltage, low power consumption, and small package  
size of the ISL23418 make it an ideal choice for use in battery  
- V = 1.7V to 5.5V Analog Power Supply  
CC  
operated equipment. The ISL23418 has a V  
pin allowing  
LOGIC  
- V  
LOGIC  
= 1.2V to 5.5V SPI Bus/Logic Power Supply  
down to 1.2V bus operation, independent from the V value.  
CC  
This allows for low logic levels to be connected directly to the  
ISL23418 without passing through a voltage level shifter.  
• DCP Terminal Voltage from 0V to V  
CC  
• 10k 50kor 100kTotal Resistance  
• Extended Industrial Temperature Range: -40°C to +125°C  
• 10 Ld MSOP or 10 Ld µTQFN Packages  
• Pb-free (RoHS compliant)  
The DCP can be used as a three-terminal potentiometer or as a  
two-terminal variable resistor in a wide variety of applications  
including control, parameter adjustments, and signal  
processing.  
Related Literature  
• See ISL23415, “Single, Low Voltage Digitally Controlled  
Potentiometer (XDCP™)”  
Applications  
• Power Supply Margining  
• RF Power Amplifier Bias Compensation  
• LCD Bias Compensation  
• Gain Adjustment in Battery Powered Instruments  
• Portable Medical Equipment Calibration  
10000  
8000  
6000  
4000  
2000  
0
VREF  
RH1  
-
VREF_M  
RW1  
ISL23418  
+
ISL28114  
RL1  
0
25  
50  
75  
100  
125  
TAP POSITION (DECIMAL)  
FIGURE 1. FORWARD AND BACKWARD RESISTANCE vs TAP  
POSITION, 10k  
FIGURE 2. V  
ADJUSTMENT  
REF  
FN7901 Rev 1.00  
Page 1 of 20  
September 24, 2015  
1234567...20

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