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参数资料
| 型号： | LC4105V |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO30 |
| 封装： | SLIM, SSOP-30 |
| 文件页数： | 5/6页 |
| 文件大小： | 124K |
| 代理商： | LC4105V |
No. 5641-5/6
LC4105V
Power Supply Circuits
Keep the impedance of the VSS and VSS1 lines as low as possible. Connect a large electrolytic capacitor across the VDD1
and VSS1 pins and close to the IC. Wherever possible, keep the grounds for the power supply circuits and the signal
circuits separate and connect the two at a single point.
Notes on Power-Supply Voltage Application
This IC has two power supply systems: VDD (VDD1) and VCC, and requires that applications observe the notes provided
here when applying or removing these voltages. In particular, if the VDD (VDD1) system power-supply voltage becomes
higher than the VCC system voltage while the VCC system voltage is not yet established (i.e. is less than VCCmin),
excessive currents may flow and the IC may be destroyed. To prevent destruction of the IC due to this phenomenon,
applications must, basically, follow the sequence described in item 1 below when turning the power supplies on or off.
1. When turning the power on, first apply the VCC voltage (bring this voltage to a value above VCCmin), and then apply
the VDD voltage. When turning the power off, first drop the VDD voltage, and, after VDD is below VCCmin, then drop
the VCC voltage.
Power-supply voltage
Time
VDD,VDD1
VCC
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