A/Dコンバータ

AN-1055: EMC Protection of the AD7746 (pdf, 464 kB)
AN-1050: A Method for Compressing I²C Scripts for the ADV74xx/ADV75xx/ADV76xx/ADV78xx (pdf, 111 kB)
AN-1048: AD7150 On-Chip Noise Filter (pdf, 92 kB)
AN-1021: MMSE-Based Multipoint Calibration Algorithm for Touch Screen Applications (pdf, 199 kB)
AN-1011: EMC Protection of the AD7150 (pdf, 314 kB)
AN-0982: The Residual Phase Noise Measurement (pdf, 710 kB)
AN-0979: Digital Filtering Options: AD7190, AD7192 (pdf, 141 kB)
AN-0972: How the AD7329 Helps Reduce Costs (pdf, 138 kB)
AN-0971: isoPower デバイスでの電磁放射の制御　(Rev. 0, 6/08) (pdf, 833 kB)
AN-0971: Control of Radiated Emissions With isoPower Devices (pdf, 406 kB)
AN-968: 電流源の回路と動作 (Rev. 0, 10/2008) (pdf, 546 kB)
AN-968: Current Sources: Options and Circuits (pdf, 131 kB)
AN-957: AD7147 および AD7148 CapTouch ® コントローラのレイアウト・ガイドライン　(Rev.0, 4/2008) (pdf, 413 kB)
AN-957: Layout Guidelines for the AD7147 and AD7148 CapTouch® Controllers (pdf, 337 kB)
AN-935: ADCトランス結合フロントエンドの設計 (Rev. 0, 09/2007) (pdf, 674 kB)
AN-935: Designing an ADC Transformer-Coupled Front End (pdf, 363 kB)
AN-932: Power Supply Sequencing (pdf, 95 kB)
AN-931: PulSAR ADC サポート回路の解説 (Rev. 0, 6/08) (pdf, 806 kB)
このアプリケーション・ノートでは、SAR ADCを使用する際に遭遇する落とし穴について一般的に説明し、さらに、これらを容易に回避できる重要な方法を説明します。
AN-931: Understanding PulSAR ADC Support Circuitry (pdf, 299 kB)
This application note discusses in general the pitfalls that occur regularly when using SAR ADCs and, more importantly, how to easily prevent them.
AN-929: CapTouch ®アプリケーション用にAD714Xを調整 (pdf, 962 kB)
AN-929: Tuning the AD714x for CapTouch® Applications (pdf, 618 kB)
AN-928: 高速DACのテストと評価の理解 (pdf, 2444 kB)
AN-928: Understanding High Speed DAC Testing and Evaluation (pdf, 4445 kB)
AN-925: AD7147 CapTouch ® コントローラ用センサー (pdf, 765 kB)
AN-925: Sensors for the AD7147 and AD7148 CapTouch® Controllers (pdf, 189 kB)
AN-905: VisualAnalog™コンバータ評価用ツールVer 1.0ユーザ・マニュアル (pdf, 6608 kB)
AN-905: VisualAnalog Converter Evaluation Tool Version 1.0 User Manual (pdf, 2124 kB)
AN-893: AD7656/AD7657/AD7658のシリアルおよびデイジーチェーン・インターフェース動作モードの設定 (pdf, 420 kB)
AN-893: Configuring the AD7656/AD7657/AD7658 for Serial and Daisy-Chain Interface Modes of Operation (pdf, 133 kB)
AN-880: 温度計測システム向けA/Dコンバータの条件　(Rev.0, 12/2006) (pdf, 321 kB)
AN-880: ADC Requirements for Temperature Measurement Systems (pdf, 423 kB)
AN-878: 高速 ADC SPI コントロール・ソフトウェア (pdf, 738 kB)
AN-878: High Speed ADC SPI Control Software (pdf, 585 kB)
AN-877: SPI を使った高速 ADC へのインターフェース (pdf, 731 kB)
AN-877: Interfacing to High Speed ADCs via SPI (pdf, 1594 kB)
AN-858: AD7142センサ・ボードのインライン出荷テスト手順　(Rev.0, 9/2006) (pdf, 171 kB)
AN-858: AD7142 Sensor Board In-Line Production Test Procedure (pdf, 124 kB)
AN-857: AD7142のホスト・ソフトウェア条件の概要　(Rev.0, 7/2007) (pdf, 105 kB)
AN-857: Introduction to AD7142 Host Software Requirements (pdf, 76 kB)
AN-856: センサ・ボタンを使用するAD7142アプリケーション (Rev.0, 7/2006) (pdf, 154 kB)
AN-856: AD7142 Applications Using Sensor Buttons (pdf, 122 kB)
AN-854: 容量／デジタル・コンバータAD7142/AD7143用 (Rev. A, 2/2007) (pdf, 925 kB)
AN-854: Sensor PCB Design Guidelines for the AD7142 and AD7143 Capacitance-to-Digital Converters (Rev. A, 2/07) (pdf, 582 kB)
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design (pdf, 262 kB)
AN-835: 高速A/Dコンバータ（ADC）のテストと評価について (pdf)
AN-835: Understanding High Speed ADC Testing and Evaluation (pdf, 1326 kB)
AN-829: Environmental Compensation on the AD7142: The Effects of Temperature and Humidity on Capacitance Sensors (pdf, 101 kB)
AN-827: 共振方式によるアンプとスイッチド・キャパシタADCのインターフェース (Rev. 0, 01/2006) (pdf, 351 kB)
AN-827: A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs (pdf, 203 kB)
AN-826: 2.xGHzのWiMAXダイレクト・コンバージョン・トランスミッタ (pdf)
AN-826: A 2.4 GHz WiMAX Direct Conversion Transmitter (pdf, 417 kB)
AN-825: iCoupler®アイソレーション製品での電源の考慮事項 (Rev. 0, 02/2006) (pdf, 340 kB)
AN-825: Power Supply Considerations in iCoupler Isolation Products (pdf, 181 kB)
AN-812: MicroController-Based Serial Port Interface (SPI) Boot Circuit (pdf, 452,449 bytes) (pdf, 441 kB)
This application note describes the operation of a general-purpose, microcontroller-based Serial Port Interface (SPI) boot circuit.
- Software Download (zip, 21,702,560 bytes)
AN-808: Multicarrier CDMA2000 Feasibility (pdf, 1535 kB)
The goal of this application note is to determine the feasibility of implementing a multicarrier CDMA2000 transceiver and what the major subsystem performances must be.
AN-807: Multicarrier WCDMA Feasibility (pdf, 969 kB)
AN-803: Pin Compatible High Speed ADCs Simplify Design Tasks (pdf, 356 kB)
AN-793: iCoupler®アイソレータ製品のESD／ラッチアップに関する考慮事項 (pdf, 331 kB)
AN-793: ESD/Latch-Up Considerations with iCoupler® Isolation Products (pdf, 246 kB)
AN-770: iCoupler®絶縁のCANバスでの応用 (pdf, 291 kB)
AN-770: iCoupler® Isolation in CAN Bus Applications (pdf, 234 kB)
AN-766: Using the Noise Reduction Feature on the AD7877 (pdf, 409 kB)
AN-756: ：サンプル化システムに及ぼすクロック位相ノイズとジッタの影響 (pdf)
AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (pdf, 291 kB)
AN-753: Configuring the AD7877 (pdf, 247 kB)
AN-742: Frequency Domain Response of Switched-Capacitor ADCs (pdf, 401 kB)
AN-741: 位相ノイズの知られざる特性 (Rev. 0, 08/2004) (pdf, 1076 kB)
AN-740: RS-232アプリケーションでのiCoupler®アイソレーション (pdf, 560 kB)
AN-740: iCoupler® Isolation in RS-232 Applications (pdf, 716 kB)
AN-738: Using the AD7877 Touch Screen Controller and the Intel PXA250 Processor Under Windows CE.NET (pdf, 60 kB)
AN-737: ADIsimADCによるADCモデリングの方法 (Rev. B, 04/2009) (pdf, 615 kB)
AN-737: How ADIsimADC Models an ADC (pdf, 373 kB)
AN-727: RS-485アプリケーションでのiCoupler®アイソレータ (pdf, 756 kB)
AN-727: iCoupler® Isolation in RS-485 Applications (pdf, 282 kB)
AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (pdf, 370 kB)
AN-700: Instructions for the AD9865/AD9866 Evaluation Software (pdf, 418 kB)
AN-686: Implementing an I²C® Reset (pdf, 44 kB)
AN-665: Channel Switching Using Σ-Δ ADCs (pdf, 84 kB)
This application note refers to the AD7708 and AD7718. Data sheets specify the update rate for Σ-Δ ADCs.
AN-664: AD7732/AD7734/AD7738/AD7739 in Low Power Applications (pdf, 131 kB)
This application note refers only to the AD7739, but is also generally applicable to the AD7732,AD7734 and AD7738. The purpose of this application note is to explain how to optimize the use of these parts in power sensitive applications.
AN-663: AD7732/AD7734/AD7738/AD7739 Calibration Registers (pdf, 96 kB)
This application note concentrates on the AD7739 but is also applicable to the AD7732,AD7734,and AD7738. The purpose of this application note is to explore the calibration registers in more detail than is found on the data sheets.
AN-626: Using the AD7732/AD7734/AD7738/AD7739 Checksum Register (pdf, 106 kB)
AN-616: AD9430 Evaluation Board Modifications for XTAL Oscillator Clocking (pdf, 162 kB)
AN-615: Peak-to-Peak Resolution Versus Effective Resolution (pdf, 70 kB)
This application note describes effective resolution and peak-to-peak resolution and highlights the difference between these two specifications.
AN-614: Using the AD7782 in Low Power Applications (pdf, 93 kB)
... This application note describes how to use the AD7782 in portable or low power applications.
AN-611: 50 Hz/60Hz Rejection on Sigma-Delta ADCs (pdf, 360 kB)
Rejection of 50 Hz and 60 Hz interference is a requirement in many industrial settings. This Application Note outlines how the AD7708/AD7718,AD7709,AD7719, AD7782/AD7783 Sigma-Delta ADCs are used for optimal rejection of these frequencies.
AN-610: The PGA on Sigma-Delta ADCs (pdf, 277 kB)
The AD7708/AD7718,AD7709,AD7719,AD7782/AD7783 high resolution Sigma-Delta ADCs all feature a Programmable Gain Amplifier (PGA)at the input to the Sigma-Delta modulator. This Application Note discusses the use and benefits of this PGA.
AN-609: Chopping on Sigma-Delta ADCs (pdf, 232 kB)
Chopping is a technique that can be used to cancel offset voltages and other low frequency errors. This Application Note outlines how chopping is implemented on the AD7708/AD7718,AD7709,AD7719,AD7782/AD7783 high resolution Sigma-Delta ADCs and discusses the resulting benefits it brings.
AN-608: Input Buffers on Sigma-Delta ADCs (pdf, 284 kB)
The AD7708/AD7718,AD7709,AD7719,AD7782/AD7783 high resolution Sigma-Delta ADCs feature a high impedance buffer at the input to the ADC. This application note discusses the significant benefits and various system design considerations that result from the integration of on-chip buffers.
AN-607: 狭帯域幅（15kSPS以下）Σ-Δ ADCの選択 (pdf, 216 kB)
AN-607: Selecting a Low Bandwidth (<15 kSPS) Sigma-Delta ADC (pdf, 222 kB)
AN-594: Modifying the Input Voltage Range of the AD7663, AD7665 or AD7671 PulSAR 16-Bit ADCs (pdf, 141 kB)
These ADCs handle other input voltage ranges not described in the data sheet.
- PulSAR® Input Range Software (zip, 13056 kB)
  (zip, 13,369,673 bytes)
AN-592: Application Considerations for the Convert Start Input (CONVST Bar) of the AD7822/AD7825/AD7827/AD7829 (pdf, 37 kB)
AN-586: 高速A/DコンバータのためのLVDSデータ出力 (Rev. 0, 05/2002) (pdf, 395 kB)
AN-586: LVDS Outputs for High Speed A/D Converters (pdf, 207 kB)
High Speed ADCs Uses LVDS (Low-Voltage Differential Signaling) to Minimize Performance Limitations In ADC Applications When Providing High Speed Data Output
AN-577: Layout and Grounding Recommendations for Touch Screen Digitizers (pdf, 52 kB)
AN-566: A Geophone/Hydrophone Acquisition Reference Design (pdf, 211 kB)
The AD1555/AD1556 24-Bit Sigma-Delta ADC Chipset Provides for Direct Acquisition of High Dynamic Range Sensors.
AN-553: Adjusting the Calibration Coefficients on the AD771X Family of ADCs (pdf, 221 kB)
AN-502: 02: Designing A Superheterodyne Receiver Using an IF Sampling Diversity Chipset (pdf, 198 kB)
The AD6600/AD6620 Chipset Simplifies Receiver Design
AN-501: Aperture Uncertainty and ADC System Performance (pdf, 227 kB)
A Key Concern in IF Sampling is that of Aperture Uncertainty (Jitter)
AN-414: Low Cost, Low Power Devices for HDSL Applications (pdf, 41 kB)
AN-413: Evaluation Board for the AD7890, 12-Bit Serial, Data Acquisition System (pdf, 113 kB)
AN-410: 0: Overcoming Converter Nonlinearities with Dither (pdf, 115 kB)
AN-406: 06: Using the AD771X Family of 24-Bit Sigma-Delta A/D Converters (pdf, 187 kB)
AN-402: Replacing Output Clamping Op Amps with Input Clamping Amps (pdf, 55 kB)
So far most clamping amplifiers have relied upon an output clamping architecture and are called output clamp amps (OCAs). A new architecture called an input clamp amp (ICA) offers superior clamping accuracy and lower distortion.
AN-397: Electrically Induced Damage to Standard Linear Integrated Circuits: (pdf, 149 kB)
The Most Common Causes and the Associated Fixes to Prevent Reoccurrence
AN-389: Using Sigma-Delta Converters-Part 2 (pdf, 590 kB)
When to Use/How to Use Sigma-Delta ADCs; Continuation of Part 1 Discussion.
AN-388: Using Sigma-Delta Converters-Part 1 (pdf, 590 kB)
When to Use/How to Use Sigma-Delta ADCs
AN-381: Obtaining the Best Performance from the AD7893, 12-Bit Serial A/D Converter (pdf, 475 kB)
AN-375: ADM2xxL Family for RS-232 Communications (pdf, 351 kB)
Overview of ADM2xxL RS-232 Transceivers includes remote data acquisition system using the ADM241L and AD7701 Sigma-Delta ADC.
AN-368: Evaluation Board for the AD7701/AD7703 Sigma-Delta ADCs (pdf, 507 kB)
AN-366: Evaluation Board for the AD7711 24-Bit Sigma-Delta ADC (pdf, 454 kB)
AN-354: Ask the Applications Engineer 1-Multi Troubles (pdf, 160 kB)
Addresses problems often encountered with LOG Circuits, Time Division Analog Multiplexing, and ADC Power Strobing
AN-351: Ask the Applications Engineer-2 (pdf, 286 kB)
Trimming Offset and Gain in A/D's and D/A's
AN-349: Keys to Longer Life for CMOS (pdf, 89 kB)
Here's How CMOS Can be Protected Against Abuse
AN-348: Avoiding Passive-Component Pitfalls (pdf, 931 kB)
The Wrong Passive Component Can Derail Even the Best Op Amp or Data Converter. Here Are Some Basic Traps to Watch For.
AN-347: Shielding and Guarding (pdf, 688 kB)
How to Exclude Interference-Type Noise. What to do and Why to do it-A Rational Approach
AN-345: 低周波回路と高周波回路のグラウンド設計 (pdf, 491 kB)
効果的な設計のためにグラウンド経路と信号経路を理解すること。電流は、抵抗ではなくインピーダンスが最小の経路に流れる・・・
AN-345: Grounding for Low-and-High-Frequency Circuits (pdf, 455 kB)
Know Your Ground and Signal Paths for Effective Designs. Current Flow Seeks Path of Least Impedance-Not Just Resistance....
AN-342: 高速性と高精度を同時に実現するアナログ信号処理 (pdf, 829 kB)
AN-342: Analog Signal-Handling for High Speed and Accuracy. (pdf, 468 kB)
Signal handling techniques for optimizing DAC and ADC performance.
AN-311: 電源過電圧に対してCMOS 回路を確実に保護する方法 (pdf, 299 kB)
AN-311: How to Reliably Protect CMOS Circuits Against Power Supply Overvoltaging (pdf, 217 kB)
AN-302: 02: Exploit Digital Advantages in an SSB Receiver (pdf, 417 kB)
AN-299: Simple Circuit Provides Ratiometric Reference Levels for AD782X Family of Half-Flash ADCs (pdf, 170 kB)
AN-297: Test Video A/D Converters Under Dynamic Conditions (pdf, 731 kB)
AN-293: AD7574 Analog to Microprocessor Interface (pdf, 294 kB)
AN-292: Interfacing the AD7572A to High Speed Digital Signal Processors (pdf, 144 kB)
AN-291: Asynchronous Clock Interfacing With the AD7878 (pdf, 137 kB)
AN-289: AD670 8-Bit A/D Converter Mates Transducers with Microprocessors (pdf, 676 kB)
AN-285: Function Generator and Linearization Circuit Using the AD7569 (pdf, 366 kB)
AN-284: Implement Infinite Sample-and-Hold Circuits Using Analog Input/Output Ports (pdf, 227 kB)
AN-283: シグマ・デルタADC/DACの原理 (pdf, 1137 kB)
AN-283: Sigma-Delta ADCs and DACs (pdf, 1699 kB)
Overview of Sigma-Delta Concepts: Oversampling, Noise Shaping Using the Sigma-Delta Modulator, Digital Filtering and Decimation.
AN-282: Fundamentals of Sampled Data Systems (pdf, 2131 kB)
AN-280: ミックスド・シグナル（デジタル・アナログ混在）回路の技術 (pdf, 1218 kB)
AN-280: Mixed Signal Circuit Technologies (pdf, 2101 kB)
Considers problems which arise when reality (& Murphy) intervene in a design which otherwise seems satisfactory in terms of theory and modeling.
AN-271: Build Precise S/H Amps for Fast 12-Bit ADCs (pdf, 415 kB)
EE-248: Interfacing AD7676 ADCs to ADSP-21365 SHARC Processors (pdf, 307 kB)
- EE-248 Software Code (zip, 207 kB)
EE-247: Interfacing AD7676 ADCs to ADSP-21065L SHARC Processors (pdf, 358 kB)
- EE-247 Software Code (zip, 8 kB)
EE-246: Interfacing AD7276 High-Speed Data Converters to ADSP-21262 SHARC Processors (Rev 1, 10/2004) (pdf, 923 kB)
- EE-246 Software Code (zip, 1192 kB)
EE-245: Interfacing AD7276 High-Speed Data Converters to ADSP-BF535 Blackfin Processors (pdf, 1423 kB)
- EE-245 Software Code (zip, 540 kB)
AN-241: Evaluation Board for the AD7710 High Resolution (24-Bits) Sigma-Delta A/D Converter (pdf, 481 kB)
AN-237: Choosing DACs for Direct Digital Synthesis (pdf, 1156 kB)
EE-236: Real-Time Solutions Using Mixed-Signal Front-End Devices with the Blackfin® Processor (pdf, 149 kB)
- EE-236 Software Code (zip, 19 kB)
AN-229: Evaluation Board for the AD7885 16-Bit A/D Converter (pdf, 238 kB)
AN-228: Evaluation Board for the AD7884 16-Bit A/D Converter (pdf, 283 kB)
AN-223: AD7575 Operation with an Offset Signal Ground for Disk Drive Applications (pdf, 63 kB)
AN-222: AD7569/AD7669 Operation With Offset Signal Grounds for Disk Drive Applications (pdf, 128 kB)
AN-215: Designer's Guide to Flash-ADC Testing, Part 1, 2 & 3 (pdf, 1596 kB)
Flash ADCs Provide the Basis for High Speed Conversion.
AN-202: An IC Amplifier User’s Guide to Decoupling, Grounding, and Making Things Go Right for a Change (pdf, 76 kB)
EE-162: Interfacing the ADSP-BF535 Blackfin Processor to High-Speed Converters (like those on the AD9860/2) over the External Memory Bus (pdf, 365 kB)
- EE-162 Software Code (zip, 32 kB)
EE-139: Interfacing the ADSP-2191 to an AD7476 via the SPI Port (pdf, 271 kB)
- Associated reference code for EE-139 (zip, 32 kB)
AN-101: Cross Plot Generator Allows Quick A/D Converter Evaluation (pdf, 280 kB)

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A/Dコンバータ - アプリケーション・ノート

A/Dコンバータ