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| LQH32MN1R8K23L资料 | |
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LQH32MN1R8K23L PDF Download |
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File Size : 116 KB
Manufacturer:MURATA Description:Figure 3 shows the proper connection of the VRE304 series voltage references with the optional trim resistor for initial error and the optional capacitor for noise reduction. The VRE304 reference has the ground terminal brought out on two pins (pin 4 and pin 7) which are connected together internally. This allows the user to achieve greater accuracy when using a socket. Voltage references have a voltage drop across their power supply ground pin due to quiescent current flowing through the contact resistance. If the contact resistance was constant with time and temperature, this voltage drop could be trimmed out. When the reference is plugged into a socket, this source of error can be as high as 20ppm. By connecting pin 4 to the power supply ground and pin 7 to a high impedance ground point in the measurement circuit, the error due to the contact resistance can be eliminated. If the unit is soldered into place, the contact resistance is sufficiently small that it does not effect performance. Pay careful attention to the circuit layout to avoid noise pickup and voltage drops in the lines. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：LQH32MN1R8K23L 厂 家：MURATA 封 装：08＋ 批 号：42,000 数 量： 说 明：原装现货 |
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