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參數(shù)資料
| 型號： | ISL23415UFUZ-TK |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 50K 10TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 85 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 4 線 SPI（芯片選擇） |
| 電源電壓： | 1.2 V ~ 5.5 V，1.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
1
Single, Low Voltage Digitally Controlled Potentiometer
(XDCP)
ISL23415
The ISL23415 is a volatile, low voltage, low noise, low power,
SPI bus, 256 taps, single digitally controlled potentiometer
(DCP), which integrates DCP core, wiper switches and control
logic on a monolithic CMOS integrated circuit.
The 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
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 ISL23415’s wiper will
always commence at mid-scale (128 tap position).
The low voltage, low power consumption, and small package
of the ISL23415 make it an ideal choice for use in battery
operated equipment. In addition, the ISL23415 has a VLOGIC
pin allowing down to 1.2V bus operation, independent from the
VCC value. This allows for low logic levels to be connected
directly to the ISL23415 without passing through a voltage
level shifter.
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.
Features
256 resistor taps
SPI serial interface
- No additional level translator for low bus supply
- Daisy Chaining of multiple DCP
Power supply
-VCC = 1.7V to 5.5V analog power supply
-VLOGIC = 1.2V to 5.5V SPI bus/logic power supply
Wiper resistance: 70
Ω typical @ VCC = 3.3V
Shutdown Mode - forces the DCP into an end-to-end open
circuit and RW is shorted to RL internally
Power-on preset to mid-scale (128 tap position)
Shutdown and standby current <2.8A max
DCP terminal voltage from 0V to VCC
10k
Ω, 50kΩ or 100kΩ total resistance
Extended industrial temperature range: -40°C to +125°C
10 Ld MSOP or 10 Ld TQFN packages
Pb-free (RoHS compliant)
Power supply margining
RF power amplifier bias compensation
LCD bias compensation
Gain adjustment in battery powered instruments
Portable medical equipment calibration
FIGURE 1. FORWARD AND BACKWARD RESISTANCE vs TAP
POSITION, 10k
FIGURE 2. VREF ADJUSTMENT
August 16, 2011
FN7780.1
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. 2010, 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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| ISL23415WFRUZ-T7A | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI FL RNG INC DCP 21X16 RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL23415WFRUZ-TK | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI FL RNG INC DCP 21X16 RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL23415WFUZ | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI DL FL RNG DCP 10LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL23415WFUZ-T7A | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI DL FL RNG DCP 10LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| ISL23415WFUZ-TK | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI DL FL RNG DCP 10LD RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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