ISL95711

The Intersil ISL95711 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 I2C interface.

The potentiometer is implemented by a resistor array composed of 127 resistive elements and a wiper switching network. The wiper terminal can be connected to either end of the resistor array or at any one of the Tap Positions in between, providing 128 steps of resolution between RL and RH. The “position” of the wiper is determined by the value assigned to the volatile Wiper Register (WR). This register has an associated non-volatile Initial Value Register (IVR). The value stored in the IVR will be written into the WR at power-up, allowing wiper position recall after power interruption. The WR and the IVR can be directly written to and read from using standard I2C interface protocol. The device is available in either a 10kΩ or 50kΩ version.

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

ISL95711 产品特性

• Non-Volatile Solid-State Potentiometer
• I2C Serial Interface with Hardwire Slave Address Allows Up to Four Devices per bus
• DCP Terminal Voltage, from V- to VCC
• 128 Wiper Tap Points
  • Wiper position can be stored in nonvolatile memory and recalled on power-up
• 127 Resistive Elements
  • Typical Rtotal tempco ±50ppm/°C
  • Ratiometric Tempco ±4ppm/°C
  • End to end resistance range ±20%
• Low Power CMOS
  • Standby current, 1μA
  • Active current, 200μA 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)

ISL95711 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图	潮湿敏感度等级MSL	美元价格US $
ISL95711UIU10Z	量产	工业级	10 Ld MSOP	1	0.99
ISL95711UIU10Z-T	量产	工业级	10 Ld MSOP T+R	1	0.99
ISL95711WIU10Z	量产	工业级	10 Ld MSOP	1	0.99
ISL95711WIU10Z-T	量产	工业级	10 Ld MSOP T+R	1	1.25
ISL95711UIP14	停产	工业级	14 Ld PDIP	N/A
ISL95711UIU10	停产	工业级	10 Ld MSOP	N/A
ISL95711UIU10-T	停产	工业级	10 Ld MSOP
ISL95711WIP14	停产	工业级	14 Ld PDIP	N/A
ISL95711WIU10	停产	工业级	10 Ld MSOP	N/A
ISL95711WIU10-T	停产	工业级	10 Ld MSOP T+R

ISL95711 应用技术支持与电子电路设计开发资源下载

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