电子创新@@188足彩外围@@app 网@@ - 数模转换器@@@@ - 188足彩网 //www.300mbfims.com/tag/%E6%95%B0%E6%A8%A1%E8%BD%AC%E6%8D%A2%E5%99%A8 zh-hans 圣邦微电子@@推出@@ 8 通道@@、16 位@@、SPI 接口@@、10ppm/℃ 基准@@ DAC SGM71612R81/2/3 //www.300mbfims.com/content/2023/100576385.html <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: * field--body--article.tpl.php * field--article.tpl.php * field--body.tpl.php * field--text-with-summary.tpl.php x field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <div class="field field-name-body field-type-text-with-summary field-label-hidden"> <div class="field-items"> <div class="field-item even"><p>圣邦微电子@@推出@@ SGM71612R81/SGM71612R82/SGM71612R83 系列@@,8 通道@@、16 位@@、SPI 接口@@、具有@@ 10ppm/℃ 片上基准@@的@@电压输出型数模转换器@@@@@@@@(DAC)。该器件可应用于过程控制和@@@@ DCS 系统@@、数据采集系统@@@@,以@@及实验室仪器@@。</p> <p>SGM71612R81/SGM71612R82/SGM71612R83 系列@@是@@ 16 位@@、8 通道@@、电压输出型数模转换器@@@@@@(DAC),这些芯片在设计上保证了单调性@@。</p> <p>SGM71612R81Z 具有@@片上@@ 1.25V 10ppm/℃ 基准@@电压@@,满量程输出电压范围为@@2.5V。SGM71612R82Z/SGM71612R82M/SGM71612R83M 的@@片上基准@@电压@@为@@ 2.5V 10ppm/℃,满量程输出电压范围为@@ 5V。</p> <p>这些芯片具有@@上电控制电路@@,可确保@@ DAC 在系统@@上电时具有@@固定输出@@。SGM71612R81Z 和@@ SGM71612R82Z 在系统@@上电时输出@@ 0V,SGM71612R82M/SGM71612R83M 在系统@@上电时输出@@中量程@@。</p> <p>这些芯片都有一个@@ nLDAC 引脚@@,允许@@ DAC 同时更新输出@@。芯片的@@@@ nCLR 引脚@@允许@@@@ DAC 更新到可配置的@@状态@@:零码@@、中量程或满量程@@。</p> <p>SGM71612R81/SGM71612R82/SGM71612R83 系列@@使用三线@@ SPI 兼容接口@@@@,时钟频率高达@@ 50MHz。</p> <p>SGM71612R81Z 和@@ SGM71612R82Z 采用符合环保理念的@@@@ TSSOP-16、TQFN-4×4-16BL 和@@ FOCSP-2.6×2.6-16B 绿色封装@@。SGM71612R82M 和@@ SGM71612R83M 采用符合环保理念的@@@@ TSSOP-16 和@@ TQFN-4×4-16BL 绿色封装@@。<br /> </p><center><img src="https://cdn.eetrend.com/files/2023-11/wen_zhang_/100576385-326465-gongnengkuangtu.png" alt="" /></center> <p align="center"><strong>图@@ 1 SGM71612R81/SGM71612R82/SGM71612R83 功能框图@@@@</strong></p> <p><strong>关于圣邦微电子@@@@</strong></p> <p>圣邦微电子@@(北京@@)股份有限公司@@(股票代码@@ 300661)专注于高性能@@、高品质模拟集成电路的@@研发和@@销售@@。产品覆盖信号链和@@电源管理两大领域@@,拥有@@ 30 大类@@ 4600 余款可供销售型号@@,全部自主研发@@,广泛应用于工业@@、汽车电子@@、通信设备@@、消费类电子和@@医疗仪器等领域@@,以@@及物联网@@@@、新能源和@@人工智能等新兴市场@@。</p> </div> </div> </div> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: x field--field-keywords--article.tpl.php * field--article.tpl.php * field--field-keywords.tpl.php * field--taxonomy-term-reference.tpl.php * field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <ul class="list-inline"> <li> <a href="/tag/圣邦微电子@@"><span class='glyphicon glyphicon-tag'></span> 圣邦微电子@@</a> </li> <li> <a href="/tag/数模转换器@@@@"><span class='glyphicon glyphicon-tag'></span> 数模转换器@@@@</a> </li> <li> <a href="/tag/dac"><span class='glyphicon glyphicon-tag'></span> DAC</a> </li> </ul> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> Wed, 29 Nov 2023 02:52:18 +0000 judy 100576385 at //www.300mbfims.com //www.300mbfims.com/content/2023/100576385.html#comments 为什么数模转换器@@@@需要缓冲@@@@? //www.300mbfims.com/content/2023/100570811.html <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: * field--body--article.tpl.php * field--article.tpl.php * field--body.tpl.php * field--text-with-summary.tpl.php x field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <div class="field field-name-body field-type-text-with-summary field-label-hidden"> <div class="field-items"> <div class="field-item even"><p>本文转载自@@:<span id="profileBt"><a href="https://mp.weixin.qq.com/s/2YT5Z3ILuXlyCctakDiMLA"> 得捷电子@@DigiKey微信公众号@@</a></span></p> <p>问@@:DAC 的@@输出缓冲@@@@与无缓冲@@@@@@</p> <p>数模转换器@@@@ (DAC) 的@@模拟输出可以@@是电压输出@@,也可以@@是电流输出@@@@。输出阻抗是任何输出类型的@@重要参数之一@@。对于电压模式输出@@,一般会应用二进制加权电阻网@@络进行数模转换@@。<br /> </p><center><img src="https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570811-301830-tu1dianyamoshierjinzhijiaquandianzudaczhuanhuanjiegou.jpg" alt="" /></center> <p align="center"><strong>图@@1.电压模式二进制加权电阻@@DAC转换结构@@</strong></p> <p>如果@@没有缓冲@@@@,输出通常为高阻抗@@,这会导致对任何负载出现输出电压误差@@,这时可以@@通过添加@@“缓冲@@器@@”(运算放大器@@)来降低阻抗@@。<br /> </p><center><img src="https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570811-301831-tu2dacshuchuhuanchong.jpg" alt="" /></center> <p align="center"><strong>图@@2. DAC输出缓冲@@@@</strong></p> <p>电流输出@@DAC具有@@代码相关的@@输出阻抗@@,因此其输出必须在负载之前驱动虚拟接地运算放大器@@@@,以@@保持输出线性度@@。以@@<a target="_blank" href="https://www.digikey.cn/zh/supplier-centers/analog-devices?utm_medium=social&amp;utm_source=wechat&amp;utm_campaign=wechatsocial" textvalue="亚德诺半导体@@‍(Analog Devices)" linktype="text" imgurl="" tab="outerlink" data-linktype="2">亚德诺半导体@@(Analog Devices)</a>的@@<a target="_blank" href="https://www.digikey.cn/short/z0rhb4?utm_medium=social&amp;utm_source=wechat&amp;utm_campaign=wechatsocial" textvalue="AD5‍545 " linktype="text" imgurl="" tab="outerlink" data-linktype="2">AD5545 </a>为例@@</p> <p>电流输出@@IOUT连接到运算放大器@@反相输入@@,因此运算放大器@@充当@@I-V转换器@@。</p> <p>这样一来@@,VOUT仅会参考@@VREF值@@,因而提高了@@DAC的@@输出稳定性@@。<br /> </p><center><img src="https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570811-301832-tu3dianliumoshierjinzhijiaquandianzudaczhuanhuanjiegou.jpg" alt="" /></center> <p align="center"><strong>图@@3.电流模式二进制加权电阻@@DAC转换结构@@</strong></p> <p>鉴于@@“缓冲@@放大器@@”的@@必要性@@,厂商推出了缓冲@@内置产品@@,从而降低了零件数量和@@成本@@。“缓冲@@”DAC表示输出经过了缓冲@@@@(规格书上会予以@@注明@@),因此输出阻抗会很低@@。如果@@DAC未经过缓冲@@@@,则规格书中的@@相关参数将指定为@@“未加载@@”。</p> <p>此外@@,厂商还向市场提供@@“无缓冲@@@@DAC”。这样做的@@好处是@@,设计者可以@@选择适合其应用的@@放大器@@,例如更高的@@电流驱动@@、更大的@@电源范围或更多的@@带宽@@、放大器等@@,因而提高了@@设计的@@自由度@@。</p> </div> </div> </div> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: x field--field-keywords--article.tpl.php * field--article.tpl.php * field--field-keywords.tpl.php * field--taxonomy-term-reference.tpl.php * field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <ul class="list-inline"> <li> <a href="/tag/数模转换器@@@@"><span class='glyphicon glyphicon-tag'></span> 数模转换器@@@@</a> </li> </ul> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> Fri, 12 May 2023 00:27:02 +0000 judy 100570811 at //www.300mbfims.com //www.300mbfims.com/content/2023/100570811.html#comments 有经验的@@工程师怎样做数模转换器@@@@@@? //www.300mbfims.com/content/2022/100557824.html <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: * field--body--article.tpl.php * field--article.tpl.php * field--body.tpl.php * field--text-with-summary.tpl.php x field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. 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See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <ul class="list-inline"> <li> <a href="/tag/数模转换器@@@@"><span class='glyphicon glyphicon-tag'></span> 数模转换器@@@@</a> </li> </ul> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> Fri, 18 Feb 2022 03:26:32 +0000 judy 100557824 at //www.300mbfims.com //www.300mbfims.com/content/2022/100557824.html#comments