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MCP43XXEV EVALUATION BOARD
USER ’S GUIDE
Chapter 2. Installation and Operation
2.1
INTRODUCTION
The MCP43XXEV Evaluation Board allows the system designer to quickly evaluate the
operation of the MCP4361 10 k Ω (-103) Digital Potentiometer device using the PICkit
Serial Analyzer. The PICkit Serial Analyzer is available separately (order number:
DV164122).
This board is a minimum configuration for the device. As well as the device, other
desired passive components (resistors and capacitors) and connection posts may be
installed.
The board can also be very easily jumpered into a customer ’s existing circuit. This
gives an indication of the MCP4361 device performance, but is affected by the jumper
lead length and the EM noise that the jumpers pick up.
The device’s resistor networks 0 and 2 have be configured in a potentiometer mode
with the A terminal connected to V DD through a 0 Ω resistor and the B terminal
connected to V SS with a 0 Ω resistor. Resistor networks 1 and 3 can be evaluated for
rheostat operation.
The MCP43XXEV Evaluation Board uses the generic TSSOP20EV Evaluation Board
PCB. The kit includes a second PCB which is blank for the user to populate as desired.
Additional PCBs may be ordered (order number: TSSOP20EV). The TSSOP20EV kit
includes 5 blank PCBs.
Other boards can easily be built up using the TSSOP20EV PCB to allow evaluation of
other resistance options (5 k Ω , 50 k Ω , or 100 k Ω ) or any of the other digital
potentiometer devices in the following packages:
? TSSOP-20 package
- MCP4331, MCP4341, MCP4351, or MCP4361
? TSSOP-14 package
- MCP4332, MCP4342, MCP4352, MCP4362, MCP4231, MCP4241,
MCP4251, MCP4261, MCP4631, MCP4641, MCP4651, MCP4661,
MCP42010, MCP42050, or MCP42100
The board also has a 6-pin interface (PICkit Serial, ICSP, etc.) whose signals can easily
be jumpered to any of the device’s pins.
Additional information on using the TSSOP20EV Evaluation Board PCB or for modify-
ing the MCP43XXEV board is available in the TSSOP20EV User ’s Guide (DS51875).
layout while Figure 2-2 shows components that are installed on the PCB.
? 2010 Microchip Technology Inc.
DS51892A-page 11
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相关代理商/技术参数
MCP4431-103E/ML
功能描述:数字电位计 IC 10k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-103E/ST
功能描述:数字电位计 IC 10k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-104E/ML
功能描述:数字电位计 IC 100k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-104E/ST
功能描述:数字电位计 IC 100k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-502E/ML
功能描述:数字电位计 IC 5k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-502E/ST
功能描述:数字电位计 IC 5k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-503E/ML
功能描述:数字电位计 IC 50k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel
MCP4431-503E/ST
功能描述:数字电位计 IC 50k I2Cquad Ch Pot 7bit volatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel