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コンテンツの種類 |
ファイル形式 |
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AD5220: デジタル・ポテンショメータ、インクリメント/デクリメント (Rev 0, 06/1999) (pdf, 168 kB)
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データシート |
PDF
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AD5220: Increment/Decrement Digital Potentiometer Data Sheet (Rev A, 12/2010) (pdf, 265 kB)
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データシート |
PDF
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AN-686: I2C®リセットの追加
(pdf, 288 kB)
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アプリケーション・ノート |
PDF
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AN-686: Implementing an I2C® Reset
(pdf, 44 kB)
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アプリケーション・ノート |
PDF
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AN-582: 複数のデバイスによるデジタル・ポテンショメータの分解能の向上
(pdf, 325 kB)
デジタル・ポテンショメータは、一般に標準的な抵抗値10k、100k、1MΩ と一定の調整可能なステップ数で提供されます。
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アプリケーション・ノート |
PDF
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AN-582: Resolution Enhancements of Digital Potentiometers with Multiple Devices
(pdf, 135 kB)
Digital Potentiometers Can Be Paralleled, Stacked or Cascaded to Optimize Resolution.
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アプリケーション・ノート |
PDF
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AN-580: 0: Programmable Oscillator Uses Digital Potentiometers
(pdf, 52 kB)
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アプリケーション・ノート |
PDF
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アプリケーションに最適なdigiPOTを選ぶには
(pdf, 1522 kB)
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設計ハンドブック |
PDF
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Understanding and Applying Digital Potentiometers
In this webcast our experts will explain the differences between Pots and DigiPots and DACs, and present considerations for successful designs for many applications.
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Webcasts |
WEBCAST
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Rotary Encoder Mates with Digital Potentiometer
... In developing electronic systems, designers look for products or ideas that may benefit from the better performance, smaller size, lower cost, and improved reliability that an IC can offer. (Design Idea, EDN, 3/6/2003)
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技術関連記事 |
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アプリケーションに最適なdigiPOTを選ぶには
(pdf, 1522 kB)
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メディア掲載一覧 |
PDF
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電子ボリュームの各端子は、グランドショート可能でしょうか。
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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よくある質問(FAQ):デジタル・ポテンショメータ
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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外形寸法図のBSCとは?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Pwr Dissとは?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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ICの寿命や製品保証の資料は?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Is there a power up sequence I should follow?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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For dual supply digital potentiometers, if VDD/VSS are +2.5V/-2.5V respectively, can digital inputs be fed from a standard 3.3V CMOS logic component without logic level translation? What are the logic level thresholds when VDD is +2.5V and VSS is -2.5V?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Is there a dependency between the logic level and power consumption?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Is digital potentiometer a real replacement for mechanical potentiometer or are there restrictions regarding voltage potentials?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Are all digital potentiometers limited to |5V|?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Do digital potentiometers handle bipolar and AC operations?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Can I achieve a 15V signal swing when using a 5V digital potentiometer?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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For digital potentiometers that do not have nonvolatile memory, what is the state during power up?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Is there a particularly low-power digital potentiometer?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
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Does the memory allow the device to return to the last stored value without an update from a micro?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Will the data in the EEMEM need to be refreshed after 15 yrs when it is operated at 55°C?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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How many write cycles can the EEMEM go through before it fails?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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After the specified EEMEM data retention timeout period, can the power be turned off and back on so that the part is considered "refreshed"?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Why are some digital potentiometers' maximum operating temperature only 85°C instead of the standard 125°C?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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How good is the resistance matching between Ch1 and Ch2 in the dual digital potentiometer?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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How is the resistance matching device to device?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What is the resistance tolerance of the digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can I cascade, serialize, or parallel multiple digital potentiometers to get the resistance or resolution I need? My requirement is for a 250 Ω digital potentiometer with approximately 1 Ω/step. I plan to use four 1 kΩ AD8403 in parallel with each set to nominally the same value.
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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I would like to know how the digital potentiometer is built. How ideal are the wiper switches?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What is the tempco of the digital potentiometer?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What is the maximum current I can force into the digital potentiometer?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can a digitally controlled variable resistor withstand greater than 20mA?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can a digipot be used to construct a programmable high current source?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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If I use the digital potentiometer in a "dry" circuit (current through wiper < 1 pA), will it behave as a linear resistor in rheostat mode?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Are ADI's digital potentiometers suitable for use in photodetector amplifiers and will they suffer from leakage currents which could affect the gain of the circuit?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Regarding the spec on R-DNL, I am only concerned with relative adjustments. I'm not concerned with the actual value of the resistor in the digipot but need the digipot to be monotonic.
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can I adjust the digital potentiometer for frequencies around 1MHz to 10MHz for adjusting the gain of a video signal?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What is the maximum frequency that can be applied to the digital potentiometer CLK input?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Is there crosstalk between Ch1 and Ch2 of a dual digital potentiometer such that a sine wave applied to Ch1 will occur in Ch2 as well?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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If I program Ch 1 from zero to full scale, will I expect Ch 2 to be disturbed?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Digital Feedthrough
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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How is the THD performance of digital potentiometer?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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If I use the digital potentiometer in audio volume control, will I experience zipper noise?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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For a digital potentiometer that requires 6-bit word length, what happens if I have 8-bit word length from my PC?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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For a digital potentiometer that requires 12-bit word length, how can I control with only 8-bit word length from my micro?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Do you provide any software to control the digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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How do I daisy-chain multiple potentiometers? How does the serial interface work for multiple AD8403's when there are still only two address bits? Are there multiple /CS lines, one for each individual chip?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can I program two channels of a multi-channel digital potentiometer at the same time?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can I read back the wiper setting of the digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can I read back the contents of the two RDAC registers of AD5242 or AD5282 (dual I2C compatible digital potentiometer)?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Is there a digital potentiometer controlled by a parallel input?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can digital potentiometers do log taper adjustment?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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I'm unsure about how to use pin 13 write protect (/WP), pin 14 preset (/PR), and pin 16 ready (RDY)?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Why Should I replace mechanical potentiometers with digiPOT?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What should I watch out for when I replace mechanical potentiometers with digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What is the ESD rating of digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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How do I tell the end-to-end RAB resistance value?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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What are the common failure modes of digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Are there any evaluation boards for the digital potentiometers?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Are PB-free digital potentiometers available?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Can I use the new PB-free DigiPOTs in my traditional solder based PCB assembly process?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable 5-30V Power Supply
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable LDO with Precision
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Manual Push Button LED Driver
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Adjustable Voltage Source for Driving LED
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Adjustable Current Source for Driving Single LED
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Adjustable Current Source for Driving Multiple LEDs
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable Bidirectional Current Source
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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High Power RGB LEDs Driver
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Automatic LED Brightness Control
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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High Voltage DAC
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Bipolar DAC with EEPROM
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Voltage-to-Current Conversion
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable Low Pass Filter
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable State-Variable Filter
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable Oscillator
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Audio Volume Control
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Audio Amplifier Volume Control
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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LCD Panel VCOM Adjustment
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Laser Bias and Modulation Current Biasing
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Manual Rotary Control
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Bipolar Programmable Gain Amplifier
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Programmable Current-Sensing Amplifier
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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6-Bit Controller
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Level Shifting Digital Inputs from 3.3V to 5V or Vice Versa
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Level Shifting Digital Signals from 0V to +5V to -5V to 0V
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Multiple I2C Slave Devices Addressing
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Resolution Enhancement
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Pseudo Memory Retention
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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デシケータ管理条件
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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可変抵抗器として使用できる?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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WPピンとPRピンの使用目的
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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O1, O2, SDOピンの処理方法
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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使用温度の規定の見方は?
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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デジポットの抵抗値の計り方
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FAQ(よくある質問) & RAQ(珍問/難問集) |
HTML
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Rarely Asked Questions...アナログ・デバイセズに寄せられた珍問/難問集
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RAQ(珍問/難問集) |
HTML
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半導体用語集
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用語集 |
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