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參數(shù)資料
| 型號： | DS4301U-200 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Nonvolatile, 32-Position Digital Potentiometer |
| 中文描述： | 非易失，32工位數(shù)字電位器 |
| 文件頁數(shù)： | 7/7頁 |
| 文件大?。?/td> | 150K |
| 代理商： | DS4301U-200 |
D
Nonvolatile, 32-Position Digital Potentiometer
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________
7
2003 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
cycled to the device, the wiper setting that was just
stored is the setting loaded on power-up.
Wiper storage does not have to occur immediately after
a change in wiper position. At anytime the current wiper
position can be stored to the EEPROM by simply issu-
ing a low pulse to the
CS
pin for t
CLP
while the
INC
pin
remains in a high state. The wiper does not move dur-
ing this action and the current wiper setting is stored in
EEPROM after t
WST
.
For applications that require a specific wiper setting to
be loaded on power-up and never changed, write the
desired wiper setting to the EEPROM, then tie
CS
to
V
CC
. Every time power is cycled to the DS4301, the
desired wiper setting is loaded from EEPROM, and
since
CS
is tied to V
CC
, no changes can be made to
the wiper setting.
EEPROM Characteristics
There is a limit to the number of times the EEPROM can
be written to before a wear-out occurs (see the
Nonvolatile Memory Characteristics
table). After EEP-
ROM wear-out occurs, the wiper can still be adjusted,
however accurately storing the wiper position is no
longer possible. When power is removed from the part,
the current wiper position is lost. Upon power-up, the
wiper setting stored in EEPROM is loaded within t
WLT
of
V
CC
reaching a stable voltage level greater than or
equal to V
CC MIN
. If EEPROM wear-out has occurred,
the wiper setting that is loaded is unknown.
Application Information
To achieve the best results when using the DS4301,
decouple the power supply with a 0.01μF or 0.1μF
capacitor. Use a high-quality ceramic surface-mount
capacitor when possible. Surface-mount components
minimize lead inductance, improving performace.
Ceramic capacitors tend to have adequate high-
frequency response for decoupling applications.
Chip Information
TRANSISTOR COUNT: 3512
SUBSTRATE INFO: P-substrate
Package Information
For the latest package outline information, go to
www.maxim-ic.com/DallasPackInfo.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS4301U-200/T&R | 制造商:Maxim Integrated Products 功能描述:IC POT DIG NV 200K 32POS 8-USOP |
| DS4301U-200/T&R | 功能描述:數(shù)字電位計(jì) IC 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 |
| DS4301U-200+ | 功能描述:數(shù)字電位計(jì) IC Nonvolatile 32-Position 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 |
| DS4301U-200+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 32POS 200KOHM SGL 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Digital Potentiometer ICs Nonvolatile 32-Position |
| DS4301U-200+T&R | 功能描述:數(shù)字電位計(jì) IC Nonvolatile 32-Position 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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