概览
描述
The Intersil ISL90460 is a digitally controlled potentiometer (XDCP). Configured as a variable resistor, the device consists of a resistor array, wiper switches, a control section, and volatile memory. The wiper position is controlled by a 2- pin Up/Down interface. The potentiometer is implemented by a resistor array composed of 31 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 CS and U/D inputs. The device can be used in a wide variety of applications including:
- LCD contrast control
- Parameter and bias adjustments
- Industrial and automotive control
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- Laser Diode driver biasing
- Gain control and offset adjustment
特性
- Volatile Solid-State Potentiometer
- 2-pin UP/DN Interface
- DCP Terminal Voltage, 2.7V to 5.5V
- Tempco 35ppm/°C Typical
- 32 Wiper Tap Points
- Low Power CMOS
- Active current 25µA max.
- Supply current 0.3µA
- Available RTOTAL Values = 10kΩ, 50kΩ, 100kΩ
- Temp Range -40°C to +85°C
- Packages
- 5 Ld SC-70, SOT-23
- Pb-Free Plus Anneal Available (RoHS Compliant)
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