概览
描述
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The Intersil ISL95710 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled by a Up/Down interface. 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 CS, U/D, and INC inputs. The position of the wiper can be stored in nonvolatile memory and then be recalled upon a subsequent power-up operation. The device can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications including:
- Industrial and automotive control
- Parameter and bias adjustments
- Amplifier bias and control
特性
- Non-Volatile Solid-State Potentiometer
- Up/Down Interface with Chip Select Enable
- DCP Terminal Voltage ±2.7V to ±5.5V
- 128 Wiper Tap Points
- Wiper position stored in nonvolatile memory and recalled on power-up
- 127 Resistive Elements
- Typical RTOTAL tempco = ±50ppm/°C
- End to end resistance range ±20%
- Low Power CMOS
- Standby current, 1µA
- Active current, 3mA max
- VCC = 2.7V to 5.5V
- V- = -2.7V to -5.5V
- High Reliability
- Endurance, 200,000 data changes per bit
- Register data retention, 50 years
- RTOTAL Values = 10kΩ, 50kΩ
- Package
- 10 Ld MSOP
- Pb-free plus anneal (RoHS compliant)
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