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AD5235BRU25 IC产品库存

AD5235BRU25:Nonvolatile, Dual-Channel, 1024-Position, Digital Potentiometer
库存编号:
2153
产品型号:
AD5235BRU25
厂商:
ADI
封装:
TSSOP-16
库存数量:
1000
参考价:
0
起订量:
1000
点击率:
849
PDF搜索:
下载
立即订购:
AD5235BRU25
联系电话:
0755-82516777

AD5235BRU25 产品描述

Nonvolatile, Dual-Channel, 1024-Position, Digital Potentiometer

AD5235BRU25 产品简介

The AD5235 is a dual-channel, nonvolatile memory,1 digitally controlled potentiometer2 with 1024-step resolution. The device performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. The versatile programming of the AD5235 via an SPI®-compatible serial interface allows 16 modes of operation and adjustment including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM1 for user-defined information such as memory data for other components, look-up table, or system identification information.

In the scratchpad programming mode, a specific setting can be programmed directly to the RDAC2 register, which sets the resistance between Terminal W and Terminal A and Terminal W and Terminal B. This setting can be stored into the EEMEM and is restored automatically to the RDAC register during system power-on.

The EEMEM content can be restored dynamically or through external PR strobing, and a WP function protects EEMEM contents. To simplify the programming, the independent or simultaneous linear-step increment or decrement commands can be used to move the RDAC wiper up or down, one step at a time. For logarithmic ±6 dB changes in the wiper setting, the left or right bit shift command can be used to double or halve the RDAC wiper setting.

The AD5235 patterned resistance tolerance is stored in the EEMEM. The actual end-to-end resistance can, therefore, be known by the host processor in readback mode. The host can execute the appropriate resistance step through a software routine that simplifies open-loop applications as well as precision calibration and tolerance matching applications.

The AD5235 is available in a thin, 16-lead TSSOP package. The part is guaranteed to operate over the extended industrial temperature range of −40°C to +85°C.

1 The terms nonvolatile memory and EEMEM are used interchangeably.
2 The terms digital potentiometer and RDAC are used interchangeably. >

AD5235BRU25 产品图片

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AD5235BRU25 相关库存

型号 厂商 封装 描述 资料 采购
AD5235BRU25 ADI TSSOP-16 Nonvolatile, Dual-Channel, 1024-Position, Digital Potentiometer


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