参数资料
| 型号： | MCP402XEV |
| 厂商： | Microchip Technology |
| 文件页数： | 13/46页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR MCP402X |
| 标准包装： | 1 |
| 主要目的： | 数字电位器 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP4021 |
| 主要属性： | 1 个单路电位器，10 千欧，64 抽头，非易失 |
| 次要属性： | 2.7 ~ 5.5 V，150 ppm/°C |
| 已供物品： | 2 板，样品，CD |
| 产品目录页面： | 677 (CN2011-ZH PDF) |
| 相关产品： | MCP4021T-503E/MCDKR-ND - IC DGTL POT 50K 1CH 8DFN MCP4021T-502E/MCDKR-ND - IC DGTL POT 5K 1CH 8DFN MCP4021T-202E/MCDKR-ND - IC DGTL POT 2.1K 1CH 8DFN MCP4021T-103E/MCDKR-ND - IC DGTL POT 10K 1CH 8DFN MCP4021T-502E/MS-ND - IC DGTL POT 5K 1CH 8MSOP MCP4021T-202E/MS-ND - IC DGTL POT 2.1K 1CH 8MSOP MCP4021T-503E/MS-ND - IC DGTL POT 50K 1CH 8MSOP MCP4021T-103E/MS-ND - IC DGTL POT 10K 1CH 8MSOP MCP4021T-103E/SN-ND - IC DGTL POT 10K 1CH 8SOIC MCP4021T-202E/SN-ND - IC DGTL POT 2.1K 1CH 8SOIC 更多... |
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Installation and Operation
2.2.3
Evaluating the MCP4023 and MCP4013
The MCP4023/13-XXXI/OT is a 6-pin, grounded digital potentiometer with terminals A
and W available on the device pins. Footprint U2 supports the SOT-23-6 package.
Populating R2 will create a voltage divider with a transfer function illustrated in
V wiper = -------------------------- = -----------------------------------------------
R2 + R nom
EQUATION 2-2:
GROUNDED POTENTIOMETER – VOLTAGE DIVIDER
CALCULATION
V DD ? R wb 5.0V ? ( d ? 10k ? 63 )
2.5k + 10k
Where:
d = the wiper setting (0 to 63)
Note 1:
2:
3:
2.2.4
DO NOT populate U1 if using U2.
The included MCP4021 digital potentiometer samples could be used to
evaluate the MCP4023 simply by shorting terminal B to GND.
The MCP4013 has high-voltage tolerant pins and, therefore, accepts
high-voltage Increment and Decrement commands. Since this device is
nonvolatile, the WiperLock? Technology feature is not present.
Evaluating the MCP4024 and MCP4014
The MCP4024/14-xxxI/OT is a 5-pin, grounded digital rheostat with the W terminals
available on the device pins. Footprint U2 supports the SOT-23-5 package. An “INCR”
command moves the wiper toward terminal A, thus causing the resistance across the
rheostat to increase. A “DECR” command moves the wiper toward terminal B, thus
causing the resistance across the rheostat to decrease.
Note 1:
2:
3:
? 2005 Microchip Technology Inc.
DO NOT populate U1 if using U2.
The included MCP4021 digital potentiometer samples could be used to
evaluate the MCP4024 simply by not populating R 2 , letting terminal A
float and by shorting terminal B to GND.
The MCP4014 has high-voltage tolerant pins and, therefore, accepts
high-voltage Increment and Decrement commands. Since this device is
nonvolatile, the WiperLock? Technology feature is not present.
DS51546B-page 9
相关PDF资料 |
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| MCP42XXEV | BOARD EVALUATION MCP42XX |
| MCP43XXEV | BOARD EVALUATION MCP43XX |
| MCP46XXDM-PTPLS | BOARD PICTAIL DIGI POT MCP4XXX |
| MCP46XXEV | EVAL BOARD FOR MCP46XX |
| MCP4XXXDM-DB | BOARD DAUGHTER DIGIPOT MCP4XXX |
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