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Current driver with read-out HV protection for neural stimulation

机译:电流驱动器,具有读出的HV保护,可刺激神经

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This paper presents a current driver with a novel high voltage (HV) switch schematic for the use as a protective switch for recording circuits during the stimulation sequence. The current driver can source and sink currents of amplitudes up to ±8.2 mA with HV tolerance from 30 V up to 120 V. The mismatch between the sourced and sinked current does not exceed 20 μA. The inter pulse current is no more than 60 pA. The output HV compliance depends on the HV supply voltage with maximum value of the 120 V. The proposed HV switch also tolerates the voltage difference up to 120V between its terminals. The chip was fabricated with AMS HV 0.35 μm CMOS technology.
机译:本文提出了一种具有新型高压(HV)开关原理的电流驱动器,可用作激励序列期间记录电路的保护开关。电流驱动器可提供和吸收幅度高达±8.2 mA的电流,且HV容差范围为30 V至120V。源电流和吸收电流之间的失配不超过20μA。脉冲间电流不超过60 pA。输出HV的合规性取决于HV电源电压,最大值为120V。建议的HV开关还可以承受其端子之间的最高120V的电压差。该芯片采用AMS HV 0.35μmCMOS技术制造。

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