概要
説明
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The Intersil X9319 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 3-wire interface. The potentiometer is implemented by a resistor array composed of 99 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 for voltage control or as a two-terminal variable resistor for current control in a wide variety of applications.
特長
- Solid-state potentiometer
- 3-wire serial interface
- Terminal voltage, 0 to +10V
- 100 wiper tap points
- Wiper position stored in nonvolatile memory and recalled on power-up
- 99 resistive elements
- Temperature compensated
- End-to-end resistance range ±20%
- Low power CMOS
- VCC = 5V
- Active current, 3mA max.
- Standby current, 1mA max.
- High reliability
- Endurance, 100,000 data changes per bit
- Register data retention, 100 years
- RTOTAL value = 10kΩ
- Package
- 8 Ld SOIC
- Pb-free (RoHS compliant)
製品比較
アプリケーション
- LCD bias control
- DC bias adjustment
- Gain and offset trim
- Laser diode bias control
- Voltage regulator output control
設計・開発
ソフトウェア／ツール
モデル
ECADモデル
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Processing table
| SOICN | Tube | 1000 | ||
| SOICN | Reel | 2500 | ||
| SOICN | Tube | 1000 | ||
| SOICN | Reel | 2500 |
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