Digital Potentiometers (POTs) | CAT5271

デジタル・ポテンショメータ (POT)、デュアル 256 タップ、I2C 互換インタフェース

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Overview

CAT5271 は、デュアル 256 ポジション・リニアテーパ・デジタル POT です。機械式ポテンショメータや可変抵抗器の代替に最適です。ワイパ設定は、I2C 対応のデジタル・インタフェースを介して制御されます。電源投入時、ワイパはミッドスケール位置に配置されます。電力が安定し次第、いつでも位置を変更できます。このデバイスは、動作中にシャットダウン状態に移行するようにプログラムできます。CAT5271 は 2.7 V 〜 5.5 V で動作し、消費電流は 2 µA 未満です。小型パッケージで消費電力が低い CAT5273 は、バッテリ駆動の携帯機器に最適です。CAT5271 は、AD5248 に対するピン対ピン置換デバイスとして設計されており、-40°C 〜 + 85°C の工業用温度範囲で動作します。

  • Potentiometer Replacement
  • Transducer Adjustment of Pressure, Temperature, Position, Chemical, and Optical Sensors
  • RF Amplifier Biasing
  • Gain Control and Offset Adjustment
  • Industrial Equipment
  • Dual 256-position
  • End-to-End Resistance: 50 kΩ, 100 kΩ
  • I2C Compatible Interface
  • Power-on Preset to Midscale
  • Single Supply 2.7 V to 5.5 V
  • Low Temperature Coefficient 100 ppm/°C
  • Low Power, IDD 2 µA max
  • Wide Operating Temperature -40°C to +85°C

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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# of Pots

# of Taps

Type

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Resistance Typ (kΩ)

VH Max (V)

Wiper Position Memory

VDD Max (V)

Reference Price

CAT5271ZI-00-GT3

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Obsolete

CAD Model

Pb

A

H

P

Micro10 / MSOP10 (150 mil)

846AG

1

260

REEL

3000

N

2

256

Potentiometer

I2C

100

VCC

No

6.5

Price N/A

More Details

CAT5271ZI-50-GT3

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Obsolete

CAD Model

Pb

A

H

P

Micro10 / MSOP10 (150 mil)

846AG

1

260

REEL

3000

N

2

256

Potentiometer

I2C

50

VCC

No

6.5

Price N/A

More Details

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