ISL90728

ISL90728 Description

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ISL90728 Manufacturer

ISL90728 Datasheet (PDF)

ISL90728 Price & Availability

ISL90728 Features

• Volatile Solid-State Potentiometer
• I²C Serial Bus Interface
• DCP Terminal Voltage, 2.7V to 5.5V
• Low Tempco
  • Rheostat - 45 ppm/°C Typical
  • Divider - 15 ppm/°C Typical
• 128 Wiper Tap Points
  • Wiper Resistance 70Ω Typ at V_CC = 3.3V
• Low Power CMOS
  • Active Current, 200μA Max
  • Standby Current, 500nA Max
• Available R_TOTAL Values = 50kΩ, 10kΩ
• Power-on Preset to Midscale
• Packaging
  • 6 Ld SC-70
• Pb-Free (RoHS Compliant)

ISL90728 Description

The Intersil ISL90727 and ISL90728 are digitally controlled potentiometers (XDCP?). Each device consists of a resistor array, wiper switches, and a control section. The wiper position is controlled by an I²C Bus?.

The potentiometer is implemented by a resistor array composed of 127 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The position of the wiper element is controlled by the SDA and SCL inputs.

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