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AD5254EVAL规格书详情
GENERAL DESCRIPTION
The AD5253/AD5254 are quad channel, I2C, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjust ment functions as mechanical potentiometers, trimmers, and variable resistors.
FEATURES
AD5253: Quad 64-position resolution
AD5254: Quad 256-position resolution
1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Nonvolatile memory1 stores wiper settings with write protection
Power-on refreshed to EEMEM settings in 300 µs typ
EEMEM rewrite time = 540 µs typ
Resistance tolerance stored in nonvolatile memory
12 extra bytes in EEMEM for user-defined information
I2C® compatible serial interface
Direct read/write accesses of RDAC2 and EEMEM registers
Predefined linear increment/decrement commands
Predefined ±6 dB step change commands
Synchronous or asynchronous quad channel update
Wiper setting readback
4 MHz bandwidth—1 kΩ version
Single supply 2.7 V to 5.5 V
Dual supply ±2.25 V to ±2.75 V
2 slave address decoding bits allow operation of 4 devices
100-year typical data retention, TA = 55°C
Operating temperature: –40°C to +85°C
APPLICATIONS
Mechanical potentiometer replacement
Low resolution DAC replacement
RGB LED backlight control
White LED brightness adjustment
RF base station power amp bias control
Programmable gain and offset control
Programmable attenuators
Programmable voltage-to-current conversion
Programmable power supply
Programmable filters
Sensor calibrations
产品属性
- 型号:
AD5254EVAL
- 制造商:
Analog Devices
- 功能描述:
EVAL BOARD FOR AD5254 - Bulk
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ANALOGDEVICES |
22+ |
24TSSOP |
3000 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
询价 | ||
ADI/亚德诺 |
13+ |
NA |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
ADI/亚德诺 |
23+ |
TSSOP |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
ADI/亚德诺 |
22+ |
66900 |
原封装 |
询价 | |||
ADI |
07+/08+ |
24-TSSOP |
13 |
询价 | |||
ADI |
19+ |
26000 |
ADI一手货源,极具优势。 |
询价 | |||
AD |
22+ |
24-TSSOP |
10000 |
原装正品优势现货供应 |
询价 | ||
ADI/亚德诺 |
21+ |
原封装 |
13880 |
公司只售原装,支持实单 |
询价 | ||
ADI/亚德诺 |
2020+ |
3300 |
绝对全新原装,一片也是批量价. |
询价 | |||
AD |
TSSOP |
608900 |
原包原标签100%进口原装常备现货! |
询价 |