X9318

# of Devices/ Channels	1
# of Taps	100
Memory Type	Non-Volatile
Bus Interface Type	3-Wire
Resistance Options (kΩ)	10
VCC Range (V)	4.5 to 5.5
VCC (min) (V)	4.5
VCC (max) (V)	5.5
DCP Dual Supply Range (V)	N/A
DCP Single Supply Range (V)	0 to 8.0
Resistance Taper	Linear
Wiper Current (mA)	3
Wiper Resistance (Ω)	40
Supply Current (μA)	300
Max Operating Temp (°C)	85
End-to-End Tempco	300
Middlepoint Ratiometric Tempco	20
VL min. terminal voltage (V)	0
VH max. terminal voltage (V)	8

The Intersil X9318 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.

Applications

• LCD bias control
• DC bias adjustment
• Gain and offset trim
• Laser diode bias control
• Voltage regulator output control

X9318 产品特性

• Solid-state potentiometer
• 3-wire serial interface
• Terminal voltage, 0 to +8V
• 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
• Packages
  • 8 Ld SOIC and DIP
• Pb-free plus anneal available (RoHS compliant)

X9318 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 $
X9318WP8	量产	民用级	8 Ld PDIP	N/A	1.47
X9318WP8I	量产	工业级	8 Ld PDIP	N/A	1.53
X9318WP8IZ	量产	工业级	8 Ld PDIP	N/A	1.53
X9318WS8	量产	民用级	8 Ld SOIC	1	1.47
X9318WS8I	量产	工业级	8 Ld SOIC	1	1.53
X9318WS8IT1	量产	工业级	8 Ld SOIC T+R	1	1.53
X9318WS8IZ	量产	工业级	8 Ld SOIC	1	1.53
X9318WS8IZT1	量产	工业级	8 Ld SOIC T+R	1	1.53
X9318WS8T1	量产	民用级	8 Ld SOIC T+R	1	1.47
X9318WS8Z	量产	民用级	8 Ld SOIC	1	1.47
X9318WS8ZT1	量产	民用级	8 Ld SOIC T+R	1	1.47
XLABVIEW01	量产			N/A	91.77
XLABVIEW01Z	量产		评估板	N/A	91.77

X9318 应用技术支持与电子电路设计开发资源下载

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