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1. 发明申请

US20130214947A1 Device, System and Method for Analogue-to-Digital Conversion Using a Current Integrating Circuit 有权
标题翻译：使用电流积分电路进行模数转换的器件，系统和方法
公开(公告)号：US20130214947A1
公开(公告)日：2013-08-22
申请号：US13768811
申请日：2013-02-15
申请人： IMEC , RENESAS ELECTRONICS CORPORATION
发明人： Takaya Yamamoto , Jan Craninckx
IPC分类号： H03M1/38
CPC分类号： H03M1/38 , G11C27/024 , H03M1/0854 , H03M1/129 , H03M1/46
摘要： A device including a sample and hold circuit for providing a signal related to an input analogue current signal, by sampling the input analogue current signal and integrating it on capacitive means, thereby charging the capacitive means to a charge value. The capacitive means being configurable to dynamically change its effective capacitance value in order to shape a voltage signal present on the capacitive means such that the charge value remains unchanged. The device also including an analogue-to digital conversion (ADC) and control circuit arranged for performing an ADC of the at least one related signal at the output of the sample and hold circuit into an output digital signal, the ADC and control circuit including successive approximation ADC means for considering the value of the voltage signal on the capacitive means and converting the charge value present in the capacitive means into the digital output signal.
摘要翻译：一种包括用于提供与输入模拟电流信号相关的信号的采样和保持电路的装置，通过对输入的模拟电流信号进行采样并将其积分在电容性装置上，从而将电容装置充电到电荷值。电容性装置被配置为动态地改变其有效电容值，以形成存在于电容装置上的电压信号，使得电荷值保持不变。该装置还包括模数转换（ADC）和控制电路，其被布置为在采样和保持电路的输出处执行至少一个相关信号的ADC作为输出数字信号，该ADC和控制电路包括连续的近似ADC用于考虑电容装置上的电压信号的值并将存在于电容装置中的电荷值转换为数字输出信号。

2. 发明授权

US08890733B2 Device, system and method for analogue-to-digital conversion using a current integrating circuit 有权
标题翻译：使用电流积分电路进行模数转换的装置，系统和方法
公开(公告)号：US08890733B2
公开(公告)日：2014-11-18
申请号：US13768811
申请日：2013-02-15
申请人： IMEC , Renesas Electronics Corporation
发明人： Takaya Yamamoto , Jan Craninckx
IPC分类号： H03M1/12 , G11C27/02 , H03M1/38 , H03M1/08 , H03M1/46
CPC分类号： H03M1/38 , G11C27/024 , H03M1/0854 , H03M1/129 , H03M1/46
摘要： A device including a sample and hold circuit for providing a signal related to an input analogue current signal, by sampling the input analogue current signal and integrating it on capacitive means, thereby charging the capacitive means to a charge value. The capacitive means being configurable to dynamically change its effective capacitance value in order to shape a voltage signal present on the capacitive means such that the charge value remains unchanged. The device also including an analogue-to digital conversion (ADC) and control circuit arranged for performing an ADC of the at least one related signal at the output of the sample and hold circuit into an output digital signal, the ADC and control circuit including successive approximation ADC means for considering the value of the voltage signal on the capacitive means and converting the charge value present in the capacitive means into the digital output signal.
摘要翻译：一种包括用于提供与输入模拟电流信号相关的信号的采样和保持电路的装置，通过对输入的模拟电流信号进行采样并将其积分在电容性装置上，从而将电容装置充电到电荷值。电容性装置被配置为动态地改变其有效电容值，以形成存在于电容装置上的电压信号，使得电荷值保持不变。该装置还包括模数转换（ADC）和控制电路，其被布置为在采样和保持电路的输出处执行至少一个相关信号的ADC作为输出数字信号，该ADC和控制电路包括连续的近似ADC用于考虑电容装置上的电压信号的值并将存在于电容装置中的电荷值转换为数字输出信号。

3. 发明授权

US09054726B2 Passive amplification circuit and analog-digital convertor 有权
标题翻译：无源放大电路和模拟数字转换器
公开(公告)号：US09054726B2
公开(公告)日：2015-06-09
申请号：US14159511
申请日：2014-01-21
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Yuichi Okuda , Hideo Nakane , Takaya Yamamoto , Keisuke Kimura , Takashi Oshima , Tatsuji Matsuura
IPC分类号： H03M1/12 , G11C27/02 , H03H7/00 , H03F3/45 , H03M1/44
CPC分类号： H03M1/1009 , G11C27/02 , H03F1/02 , H03F1/3211 , H03F3/005 , H03F3/45071 , H03F3/45475 , H03F2203/45171 , H03F2203/45544 , H03H7/004 , H03M1/002 , H03M1/124 , H03M1/38 , H03M1/44
摘要： A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation. The passive amplification is attained by providing a plurality of capacitances which carry out a sampling operation, and switching these connection relation by using switches. Without being accompanied by the increase of the consumed power and the chip size, an influence by the noise of s comparator is reduced to a half so that the effective resolution can be increased for one bit.
摘要翻译：差分信号被无源放大放大，其不是共模电压的参考。此时，在进行逐次逼近型模拟数字转换操作之前，差分信号的电压被无源放大两次。无源放大通过提供执行采样操作的多个电容来实现，并且通过使用开关来切换这些连接关系。在不伴随消耗功率和芯片尺寸的增加的情况下，将比较器的噪声的影响减小到一半，使得有效分辨率可以增加一位。

4. 发明授权

US09641187B2 Semiconductor device 有权
公开(公告)号：US09641187B2
公开(公告)日：2017-05-02
申请号：US15181877
申请日：2016-06-14
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Keisuke Kimura , Yuichi Okuda , Hideo Nakane , Takaya Yamamoto
IPC分类号： H03M1/06 , H03M1/46 , H03M1/12 , H03M1/44 , H03M1/10 , H01L23/522 , H01L27/06
CPC分类号： H03M1/0607 , H01L23/5225 , H01L23/5226 , H01L23/528 , H01L27/0629 , H01L2924/0002 , H03M1/0604 , H03M1/1023 , H03M1/124 , H03M1/1245 , H03M1/442 , H03M1/46 , H03M1/462 , H03M1/468 , H01L2924/00
摘要： A semiconductor device according to an aspect of the invention relates to an AD converter that converts a signal level of an analog signal into a digital value by using a comparator, and determines an amount of adjustment of an offset voltage of the comparator based on an offset determination result of the comparator obtained immediately after a least significant bit (LSB) of a digital value output as a conversion result is converted.

5. 发明授权

US09385736B2 Semiconductor device 有权
公开(公告)号：US09385736B2
公开(公告)日：2016-07-05
申请号：US14921435
申请日：2015-10-23
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Keisuke Kimura , Yuichi Okuda , Hideo Nakane , Takaya Yamamoto
IPC分类号： H03M1/06 , H01L23/522 , H01L27/06 , H03M1/44 , H03M1/46 , H03M1/10
CPC分类号： H03M1/0607 , H01L23/5225 , H01L23/5226 , H01L23/528 , H01L27/0629 , H01L2924/0002 , H03M1/0604 , H03M1/1023 , H03M1/124 , H03M1/1245 , H03M1/442 , H03M1/46 , H03M1/462 , H03M1/468 , H01L2924/00
摘要： A semiconductor device according to an aspect of the invention relates to an AD converter that converts a signal level of an analog signal into a digital value by using a comparator, and determines an amount of adjustment of an offset voltage of the comparator based on an offset determination result of the comparator obtained immediately after a least significant bit (LSB) of a digital value output as a conversion result is converted.

6. 发明授权

US09362932B2 A/D converter circuit and semiconductor integrated circuit 有权
公开(公告)号：US09362932B2
公开(公告)日：2016-06-07
申请号：US14817645
申请日：2015-08-04
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Keisuke Kimura , Yuichi Okuda , Hideo Nakane , Takaya Yamamoto
IPC分类号： H03M1/06 , H03M1/12 , H03M1/00
CPC分类号： H03M1/0634 , H03M1/002 , H03M1/0617 , H03M1/1009 , H03M1/12 , H03M1/1215 , H03M1/1225
摘要： An analog-to-digital converter circuit having a simple design and capable of preventing an increase in surface area and other problems. An analog-to-digital converter circuit for converting an analog input signal to a digital quantity includes an analog-to-digital converter unit that converts analog input signals to pre-correction digital values, and a corrector unit that digitally corrects the pre-connection digital values output from the analog-to-digital converter unit. The corrector unit includes a weighting coefficient multiplier unit that outputs a post-correction digital value obtained by multiplying the weighting coefficients provided for each bit by each bit of the pre-correction digital value output from the A/D converter unit and summing them, and a weighting coefficient search unit that searches for weighting coefficients so as to minimize an error signal generated based on the post-correction digital value and an approximate value for the post-correction digital value.

7. 发明授权

US09258006B2 Semiconductor integrated circuit device 有权
公开(公告)号：US09258006B2
公开(公告)日：2016-02-09
申请号：US14711733
申请日：2015-05-13
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Takashi Oshima , Tatsuji Matsuura , Yuichi Okuda , Hideo Nakane , Takaya Yamamoto , Keisuke Kimura
IPC分类号： H03M1/06 , H03M1/12 , H03M1/10 , H03M1/00 , H03M1/44 , H03M1/38 , H03M1/46
CPC分类号： H03M1/1245 , H03M1/002 , H03M1/0609 , H03M1/0639 , H03M1/1038 , H03M1/109 , H03M1/14 , H03M1/38 , H03M1/44 , H03M1/46 , H03M1/56
摘要： A digital-correction-type A/D converter which is a charge sharing type and performing successive approximation is realized in a small area. The A/D converter is configured with an A/D conversion unit which is a charge sharing type and performing successive approximation, a digital correction unit which receives a digital output of the A/D conversion unit and performs digital correction to the digital output, and a holding unit which holds a test signal. A test signal of a common value from the holding unit is inputted into the A/D conversion unit in the first period and the second period. The A/D conversion correction coefficient for the digital correction unit is calculated on the basis of the digital correction result of the digital correction unit in the first period, and the digital correction result of the digital correction unit in the second period.

8. 发明授权

US08823565B2 Semiconductor device having analog-to-digital converter with gain-dependent dithering and communication apparatus 有权
标题翻译：具有与增益相关的抖动和通信装置的模数转换器的半导体器件
公开(公告)号：US08823565B2
公开(公告)日：2014-09-02
申请号：US13940819
申请日：2013-07-12
申请人： Renesas Electronics Corporation
发明人： Keisuke Kimura , Tatsuji Matsuura , Yuichi Okuda , Hideo Nakane , Takaya Yamamoto
IPC分类号： H03M1/20
CPC分类号： H03M3/49 , H03M1/201 , H03M3/328 , H03M3/332 , H03M3/43 , H03M3/438 , H03M3/486
摘要： A semiconductor communication device reduces influence of noise that is produced by applying a dither signal. The semiconductor communication device includes a Delta-Sigma analog-to-digital converter that converts input analog signals to digital signals, a power detecting unit that detects signal power of the digital signals, a gain control unit that changes a gain setting of analog signals to be input to the Delta-Sigma analog-to-digital converter depending on the signal power of the digital signals, and a dither signal control unit that causes the Delta-Sigma analog-to-digital converter to selectively add the dither signal when the gain setting changes.
摘要翻译：半导体通信设备减少通过应用抖动信号产生的噪声的影响。该半导体通信装置包括将输入的模拟信号转换为数字信号的Delta-Sigma模数转换器，检测数字信号的信号功率的功率检测单元，将模拟信号的增益设定变更为根据数字信号的信号功率输入到Delta-Sigma模数转换器;以及抖动信号控制单元，其使Delta-Sigma模数转换器在增益时选择性地添加抖动信号设置更改。

9. 发明授权

US09294115B2 Passive amplification circuit and analog-digital convertor 有权
公开(公告)号：US09294115B2
公开(公告)日：2016-03-22
申请号：US14692374
申请日：2015-04-21
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Yuichi Okuda , Hideo Nakane , Takaya Yamamoto , Keisuke Kimura , Takashi Oshima , Tatsuji Matsuura
IPC分类号： H03M1/38 , H03F3/45 , G11C27/02 , H03M1/44 , H03M1/12 , H03H7/00 , H03M1/00
CPC分类号： H03M1/1009 , G11C27/02 , H03F1/02 , H03F1/3211 , H03F3/005 , H03F3/45071 , H03F3/45475 , H03F2203/45171 , H03F2203/45544 , H03H7/004 , H03M1/002 , H03M1/124 , H03M1/38 , H03M1/44
摘要： A differential signal is amplified by passive amplification which does not a reference of a common-mode voltage. At this time, the voltage of the differential signal is passive-amplified twice before carrying out a successive approximation type analog-digital conversion operation. The passive amplification is attained by providing a plurality of capacitances which carry out a sampling operation, and switching these connection relation by using switches. Without being accompanied by the increase of the consumed power and the chip size, an influence by the noise of s comparator is reduced to a half so that the effective resolution can be increased for one bit.

10. 发明授权

US09258003B2 Electronic system and operating method thereof 有权
公开(公告)号：US09258003B2
公开(公告)日：2016-02-09
申请号：US14711200
申请日：2015-05-13
申请人： RENESAS ELECTRONICS CORPORATION
发明人： Takashi Oshima , Tatsuji Matsuura , Yuichi Okuda , Hideo Nakane , Takaya Yamamoto , Keisuke Kimura
IPC分类号： H03M1/00 , H03M1/10 , H03M1/12 , H03M1/66
CPC分类号： H03M1/1033 , H03M1/002 , H03M1/1052 , H03M1/12 , H03M1/201 , H03M1/44 , H03M1/46 , H03M1/66 , H03M1/745
摘要： To compensate for non-linearity of an AD conversion unit and non-linearity of a DA conversion unit in an electronic system including the DA conversion unit and the AD conversion unit, an electronic system includes an A/D conversion unit, a D/A conversion unit, an AD conversion compensation unit, a DA conversion compensation unit, and a calibration unit. During a calibration operation period, the calibration unit sets an operating characteristic of the AD conversion compensation unit and an operating characteristic of the DA conversion compensation unit. The operating characteristic of the AD conversion compensation unit set during the calibration operation period compensates for non-linearity of AD conversion of the A/D conversion unit. The operating characteristic of the DA conversion compensation unit set during the calibration operation period compensates for non-linearity of DA conversion of the D/A conversion unit.

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