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ISL23325TFRUZ-T7A PDF预览

ISL23325TFRUZ-T7A

更新时间： 2024-02-17 23:33:40
品牌 Logo 应用领域
英特矽尔 - INTERSIL 电位器
页数 文件大小 规格书
20页 843K
描述
Dual, 256-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP?)

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ISL23325TFRUZ-T7A 技术参数

生命周期：Unknown零件包装代码：TSSOP, uTQFN
针数：14, 16Reach Compliance Code：compliant
Factory Lead Time：11 weeks风险等级：5.68
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PQCC-N16
端子数量：16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：QCCN封装等效代码：LCC16,.07X.1,16
封装形状：RECTANGULAR封装形式：CHIP CARRIER
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
端子形式：NO LEAD端子节距：0.4 mm
端子位置：QUADBase Number Matches：1

ISL23325TFRUZ-T7A 数据手册

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Dual, 256-Tap, Low Voltage Digitally Controlled  
Potentiometer (XDCP™)  
ISL23325  
Features  
• Two potentiometers per package  
• 256 resistor taps  
The ISL23325 is a volatile, low voltage, low noise, low power,  
256-Tap, dual digitally controlled potentiometer (DCP) with an  
2
I C Bus™ interface. It integrates two DCP cores, wiper switches  
• 10kΩ 50kΩ or 100kΩ total resistance  
and control logic on a monolithic CMOS integrated circuit.  
2
• I C serial interface  
Each digitally controlled potentiometer is implemented with a  
combination of resistor elements and CMOS switches. The  
position of the wipers are controlled by the user through the I C  
- No additional level translator for low bus supply  
- Three address pins allow up to eight devices per bus  
2
bus interface. Each potentiometer has an associated volatile  
Wiper Register (WRi, i = 0, 1) that can be directly written to and  
read by the user. The contents of the WRi controls the position  
of the wiper. When powered on, the wiper of each DCP will  
always commence at mid-scale (128 tap position).  
• Maximum supply current without serial bus activity  
(standby)  
- 3µA @ V and V  
CC LOGIC  
= 5V  
= 1.7V  
- 1.7µA @ V and V  
CC  
LOGIC  
• Shutdown Mode  
The low voltage, low power consumption, and small package  
of the ISL23325 make it an ideal choice for use in battery  
- Forces the DCP into an end-to-end open circuit and RWi is  
connected to RLi internally  
operated equipment. In addition, the ISL23325 has a V  
LOGIC  
pin allowing down to 1.2V bus operation, independent from the  
value. This allows for low logic levels to be connected  
- Reduces power consumption by disconnecting the DCP  
resistor from the circuit  
V
CC  
directly to the ISL23325 without passing through a voltage  
level shifter.  
• Power supply  
- V = 1.7V to 5.5V analog power supply  
CC  
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.  
2
- V  
LOGIC  
= 1.2V to 5.5V I C bus/logic power supply  
• Wiper resistance: 70Ω typical @ V = 3.3V  
CC  
• Power-on preset to mid-scale (128 tap position)  
• Extended industrial temperature range: -40°C to +125°C  
• 14 Ld TSSOP or 16 Ld µTQFN packages  
• Pb-free (RoHS Compliant)  
Applications  
• Power supply margining  
• Trimming sensor circuits  
• Gain adjustment in battery powered instruments  
• RF power amplifier bias compensation  
10000  
8000  
6000  
4000  
2000  
0
VREF  
RH1  
-
VREF_M  
1 DCP  
OF  
ISL23325  
RW1  
+
ISL28114  
RL1  
0
64  
128  
192  
256  
TAP POSITION (DECIMAL)  
FIGURE 1. FORWARD AND BACKWARD RESISTANCE vs TAP  
FIGURE 2. V  
ADJUSTMENT  
REF  
POSITION, 10kΩ DCP  
June 21, 2011  
FN7870.0  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved  
Intersil (and design) and XDCP are trademarks owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners  
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