ISL90841

Quad Digitally Controlled Potentiometers (XDCP™)

Product Status: 量産中(*)

OVERVIEW

The ISL90841 integrates four digitally controlled potentiometers (XDCP) 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 I2 C 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.

All four potentiometers have one terminal tied to GND. The DCPs can be used as a resistor divider or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing.

KEY FEATURES

  • Four potentiometers 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)

PARAMETRICS

Parameters
ISL90841
Basic Information
Production Status
量産中(*)
チャネル当たりのデバイス数
4
タップ数
256
メモリタイプ
Volatile
バス/出力インタフェース
I2C
抵抗オプション (kΩ)
10, 50
電源電圧Vcc (V) (min)
2.7
電源電圧Vcc (V) (max)
5.5
電源電流Icc
5 µA
抵抗変化特性
Linear
VL端子電圧 (min)
0 V
VL端子電圧 (max)
5.5 V
ワイパ電流 (mA)
3
ワイパ抵抗 (Ω)
70
二電源範囲 (V)
N/A
最大動作温度
85 °C
エンドツーエンド温度係数 (ppm/øC)
45
中間点レシオメトリック温度係数
4
特長
2-terminal - voltage divider or rheostat usage
認定レベル
Standard
単一電源範囲 (V)
0 to 5.5
電源電圧Vcc範囲 (V)
2.7 to 5.5
サンプル提供
YES
温度範囲
-40 to +85

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