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Author:

陈志杰 (陈志杰.) | 杜馨雨 (杜馨雨.) | 万培元 (万培元.)

Indexed by:

zhihuiya

Abstract:

本发明公开了一种电容阵列减少的Nbits per circle高速低功耗SARADC,包括:采样开关,(N+1)组电容阵列和模拟数字转换单元。采样电路连接电容阵列的下极板,将输入信号采样到电容阵列的下极板上。电容阵列的另一端连接模拟数字转换单元。电容阵列的上极板电压VP、电压VM1~VMi和电压VN输入到模拟数字转换单元的电压比较器中,并进行并行比较。m位比较结果经过模拟数字转换单元中的逻辑电路得到N位数字码输出。通过逻辑电路的控制,电容阵列下极板的输入电压被精确调节,以改变电压VP、电压VM1~VMi和电压VN的值,为下一周期的电容上极板电压比较作好准备。本发明有效地平衡了转换速度和功耗之间的关系,从而在保持高速转换性能的同时,降低ADC整体功耗。

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Patent Info :

Type: 发明申请

Patent No.: CN202411115332.4

Filing Date: 2024-08-14

Publication Date: 2024-12-03

Pub. No.: CN119070817A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

Affiliated Colleges:

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