</a>數字電位計" title="數字電位計">數字電位計" title="數字電位計">數字電位計,電阻誤差±8%,A,B和W引腳的電流為±6 mA ,正常電阻為5 kΩ, 10 kΩ, 80 kΩ,溫度系數為35 ppm/℃,單電源2.3V-5.5V工作,主喲用在替代機械電位器,手持式電平調整儀,音量控制,可編程電壓/電流轉換,可編程濾波器,延遲以及傳感器校準等.本文介紹了AD5111/AD5113/AD5115主要特性,功能方框圖以及AD5111評估板主要特性,電離路圖,材料清單和PCB布局圖.
The AD5111/AD5113/AD5115 provide a nonvolatile solution for 128-/64-/32-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the A, B, and W pins. The low resistor tolerance, low nominal temperature coefficient, and high bandwidth simplify open-loop applications, as well as tolerance matching applications. The new low wiper resistance feature minimizes the wiper resistance in the extremes of the resistor array to only 45 Ω, typical. A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz. The AD5111/AD5113/AD5115 are available in a 2 mm × 2 mm LFCSP package. The parts are guaranteed to operate over the extended industrial temperature range of −0℃ to +125℃.
AD5111/AD5113/AD5115主要特性:
Single-channel, 128-/64-/32-position resolution
5 kΩ, 10 kΩ, 80 kΩ nominal resistance
Maximum ±8% nominal resistor tolerance error
Low wiper resistance ±6 mA maximum wiper current density
Rheostat mode temperature coefficient: 35 ppm/℃
Potentiometer mode temperature coefficient: 5 ppm/℃
2.3 V to 5.5 V single-supply operation
Power-on EEPROM refresh time < 50 μs
Simple up/down manual or digital configurable control
Chip select enable multiple device operation
50-year typical data retention at 125℃ 1 million write cycles
Wide operating temperature: −0℃ to +125℃
Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package
AD5111/AD5113/AD5115應用:
Mechanical potentiometer replacement
Portable electronics level adjustment
Audio volume control
Low resolution DAC LCD panel brightness and contrast control
Programmable voltage to current conversion
Programmable filters, delays, time constants
Feedback resistor programmable power supply
Sensor calibration
圖1.AD5111/AD5113/AD5115功能方框圖
AD5111評估板
This user guide describes the evaluation board for evaluating the AD5111—a single-channel, 128-position, nonvolatile memory digital potentiometer.
The AD5111 supports single-supply 2.3 V to 5.5 V operation, making the device suited for battery-powered applications and many other applications, offering guaranteed low resistor tolerance errors of ±8% and high bandwidth while allowing up to ±6 mA current density in the A, B, and W pins.
A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz. The EVAL-AD5111SDZ can operate in single-supply mode and incorporates an internal power supply from the USB.
Complete specifications for the AD5111 part can be found in the AD5111 data sheet, which is available from Analog Devices, Inc., and should be consulted in conjunction with this user guide when using the evaluation board.
AD5111評估板主要特性:
Full-featured evaluation board for the AD5111
Several test circuits
Various ac/dc input signals
PC control via a separately purchased system demonstration platform (SDP)
PC control software
PACKAGE CONTENTS
EVAL-AD511xSDZ evaluation board
CD that includes
Self-installing software that allows users to control the board and exercise all functions of
the device
Electronic version of the AD5111 data sheet
Electronic version of the UG-323 user guide
圖2.AD5111評估板和系數開發(fā)平臺外形圖
圖3.AD5111評估板電路圖
圖4.AD5111評估板電路圖:SDP連接器
AD5111評估板材料清單:
圖5.AD5111評估板元件布局圖:頂層
圖6.AD5111評估板元件布局圖:底層
詳情請見:
http://www.analog.com/static/imported-files/data_sheets/AD5111_AD5113_AD5115.pdf
和
http://www.analog.com/static/imported-files/user_guides/UG-323.pdf
The AD5111/AD5113/AD5115 provide a nonvolatile solution for 128-/64-/32-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the A, B, and W pins. The low resistor tolerance, low nominal temperature coefficient, and high bandwidth simplify open-loop applications, as well as tolerance matching applications. The new low wiper resistance feature minimizes the wiper resistance in the extremes of the resistor array to only 45 Ω, typical. A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz. The AD5111/AD5113/AD5115 are available in a 2 mm × 2 mm LFCSP package. The parts are guaranteed to operate over the extended industrial temperature range of −0℃ to +125℃.
AD5111/AD5113/AD5115主要特性:
Single-channel, 128-/64-/32-position resolution
5 kΩ, 10 kΩ, 80 kΩ nominal resistance
Maximum ±8% nominal resistor tolerance error
Low wiper resistance ±6 mA maximum wiper current density
Rheostat mode temperature coefficient: 35 ppm/℃
Potentiometer mode temperature coefficient: 5 ppm/℃
2.3 V to 5.5 V single-supply operation
Power-on EEPROM refresh time < 50 μs
Simple up/down manual or digital configurable control
Chip select enable multiple device operation
50-year typical data retention at 125℃ 1 million write cycles
Wide operating temperature: −0℃ to +125℃
Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package
AD5111/AD5113/AD5115應用:
Mechanical potentiometer replacement
Portable electronics level adjustment
Audio volume control
Low resolution DAC LCD panel brightness and contrast control
Programmable voltage to current conversion
Programmable filters, delays, time constants
Feedback resistor programmable power supply
Sensor calibration
圖1.AD5111/AD5113/AD5115功能方框圖
AD5111評估板
This user guide describes the evaluation board for evaluating the AD5111—a single-channel, 128-position, nonvolatile memory digital potentiometer.
The AD5111 supports single-supply 2.3 V to 5.5 V operation, making the device suited for battery-powered applications and many other applications, offering guaranteed low resistor tolerance errors of ±8% and high bandwidth while allowing up to ±6 mA current density in the A, B, and W pins.
A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz. The EVAL-AD5111SDZ can operate in single-supply mode and incorporates an internal power supply from the USB.
Complete specifications for the AD5111 part can be found in the AD5111 data sheet, which is available from Analog Devices, Inc., and should be consulted in conjunction with this user guide when using the evaluation board.
AD5111評估板主要特性:
Full-featured evaluation board for the AD5111
Several test circuits
Various ac/dc input signals
PC control via a separately purchased system demonstration platform (SDP)
PC control software
PACKAGE CONTENTS
EVAL-AD511xSDZ evaluation board
CD that includes
Self-installing software that allows users to control the board and exercise all functions of
the device
Electronic version of the AD5111 data sheet
Electronic version of the UG-323 user guide
圖2.AD5111評估板和系數開發(fā)平臺外形圖
圖3.AD5111評估板電路圖
圖4.AD5111評估板電路圖:SDP連接器
AD5111評估板材料清單:
圖5.AD5111評估板元件布局圖:頂層
圖6.AD5111評估板元件布局圖:底層
詳情請見:
http://www.analog.com/static/imported-files/data_sheets/AD5111_AD5113_AD5115.pdf
和
http://www.analog.com/static/imported-files/user_guides/UG-323.pdf
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