概要

The ISL90842 integrates four digitally controlled potentiometers (DCP) configured as variable resistors on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I2C bus interface. Each potentiometer has an associated 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. The DCPs can be used as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing.

ISL90842 Functional Diagram
ISL90842 Functional Diagram
  • Four variable resistors in one package
  • 256 resistor taps - 0.4% resolution
  • I2C serial interface
  • Wiper resistance: 70Ω typical @ 3.3V
  • Standby current <5µA max
  • Power supply: 2.7V to 5.5V
  • 50kΩ, 10kΩ total resistance
  • 14 Lead TSSOP
  • Pb-free plus anneal available (RoHS compliant)

ドキュメント

= ピックアップ
分類 タイトル 日時
データシート
ISL90842 Datasheet
PDF 922 KB
マニュアル－開発ツール
Digital Potentiometer (DCP) Evaluation USB Kit Manual
PDF 1.40 MB
Product Advisory
PA14042 - Minimum Line Quantity Change
PDF 363 KB
アプリケーションノート
AN1425: Get Precision Performance from a Digitally Controlled Potentiometer (DCP)
PDF 281 KB
アプリケーションノート
AN1173: DC/DC Module Trim with Digital Potentiometers
PDF 513 KB
アプリケーションノート
AN1699: Digital Control Potentiometers Offer Hidden Benefits for Many Designs
PDF 251 KB
その他資料
TB458: Converting a Fixed PWM to an Adjustable PWM
PDF 315 KB
アプリケーションノート
AN9675: A Tutorial in Coherent and Windowed Sampling with A/D Converters
PDF 503 KB
アプリケーションノート
AN9705: A Theoretical View of Coherent Sampling
PDF 287 KB
9件

設計・開発

ソフトウェアダウンロード
分類 タイトル 日時
ライブラリ
DCP Evaluation Board Software v6.03
EXE 2.56 MB
1件

ECADモデル

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ECADモデルを調べる
Diagram of ECAD Models

製品選択

    Processing table
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    ご購入 / サンプル
    型名
    ISL90842UIV1427Z
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		TSSOP Tube 2 3.32 サンプルを入手,
    ISL90842UIV1427Z-TK
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		TSSOP Reel 2 2.475 サンプルを入手,
    Parametric Table tips

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