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コンテンツの種類 |
ファイル形式 |
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AD5171: デジタル・ポテンショメータ、64ポジションOTP (Rev 0, 06/2004) (pdf, 600 kB)
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データシート |
PDF
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AD5171: 64-Position OTP Digital Potentiometer Data Sheet (Rev D, 07/2008) (pdf, 989 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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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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UG-394: Evaluation Board for the AD5171 Digital Potentiometer
(pdf, 579 kB)
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ユーザー・ガイド |
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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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) |
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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) |
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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) |
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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) |
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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 |
HTML |