【产品】超高速模拟开关芯片 CH482/3/4/1/6，Ron典型值约为4Ω，支持额定3.3V电源电压

时间： 2022-07-21 来源：沁恒

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沁恒推出了CH482D、CH482X、CH483X、CH483M、CH484M、CH481D及CH486F超高速模拟开关芯片，这系列产品具有高带宽特性，SS 超速通道支持6Gbps差分信号，支持超速USB信号。

CH482是QPDT宽带超速双向模拟开关芯片，包含2个差分通道2:1 MUX（共4通道二选一），可用于USB3.0 Super Speed、PCIe Gen1/2、SATA/SAS 1.5G/3G/6G、Display Port等2路差分信号的二选一切换。

CH482X功能与CH482D类似，但带宽更高，可用于USB3.1 Gen2即 USB3.0 Super Speed+、PCIe Gen1/2/3、SATA/SAS 3G/6G、Display Port等2路差分信号的二选一切换。

CH482X与CH482D产品引脚图

CH483是QPDT宽带超速双向+DPDT宽带高速双向模拟开关芯片，包含3个差分通道2:1 MUX（共6通道二选一）。可用于USB3.0 Super Speed & USB2.0 High Speed、PCIe Gen1/2 & Refclk、Display Port等3路差分信号的二选一切换。

CH483X 相比CH483M主要有2 点区别：一是高速通道HS与超速通道SS完全独立，各自使用独立的控制信号；二是HS 通道的电源VCCH 额定是5V 电压，这种情况下，HS 通道支持5V 满幅信号并且控制信号支持5V 或3.3V。

CH483X 与CH483M产品引脚图

CH484是QPQT宽带超速双向模拟开关芯片，包含2个差分通道4:1 MCX（共4通道四选一）。可用于USB3.0 Super Speed、PCIe Gen1/2、SATA/SAS 1.5G/3G、Display Port等2路差分信号的四选一切换。

CH484M产品引脚图

CH481是2*2矩阵交换宽带超速模拟开关芯片，包含2个差分通道2:2 MUX（共2通道二选二Exchange Switch）。可用于USB 3.0 SuperSpeed、PCIe Gen1/2、SATA/SAS 1.5G/3G/6G、Display Port等2路差分信号的直通或交叉。

CH481D产品引脚图

CH486是QPQT宽带高速双向模拟开关芯片，包含2个差分通道4:1 MUX（共4通道四选一），可用于USB 2.0 High Speed、SATA/SAS 1.5G等2路差分信号的四选一切换。

CH486F产品引脚图

特点

高带宽，SS 超速通道支持6Gbps差分信号，支持超速USB信号

CH482X 超速通道支持10Gbps 差分信号，支持USB 3.2 Gen2 信号

HS高速通道支持1.5G（4:1）或2.5Gbps（2:1）差分信号，支持满幅电压模拟信号

HS高速通道支持视频信号，支持低速、全速和高速USB 信号

低导通电阻，Ron典型值约为4Ω

低串扰，高隔离度

提供全局使能引脚，多通道模拟开关统一使能、统一切换

SS超速通道ESD支持2KV HBM，其它通道及控制引脚ESD支持4KV HBM

支持额定3.3V电源电压，低静态功耗

提供QFN20-2.5X4.5、QFN42-3.5X9和QFN28等封装形式，兼容RoHS

封装

注：

1、QFN封装的底板标示为0#引脚，非必要，但建议连接
2、CH483X仅用于兼容应用，需预定，新设计请优先选用CH483M或CH482D

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本文由Topaz转载自沁恒，原文标题为:超高速模拟开关芯片 CH482/3/4/1/6，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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沁恒（WCH）通讯接口芯片和全栈MCU选型指南

目录- 企业简介接口转换产品 MCU产品选型 USB转串口产品选型低功耗蓝牙系列单片机系列网络系列 USB系列 USB PD协议系列 PCI/PCIE 系列显示驱动及键盘扫描系列单片机外围系列产品方案

型号- CH32V103C6T6,CH32F205RBT6,CH343G,CH32F203C8T6,CH343K,CH573F,CH378,CH440G,CH571K,CH32V208WBU6,CH583M,CH32V208RBT6,CH341T,CH32F103C6T6,CH32V305RBT6,CH342F,CH384,CH342K,CH32F103C8U6,CH340K,CH582M,CH340N,CH340T,CH32V208GBU6,CH341B,CH341A,CH571F,CH341F,CH32V203C8T6,CH486F,CH571D,CH368,CH484M,CH32V307,CH582F,CH340E,CH482,CH32F203C8U6,CH32V305,CH481,CH32V203C8U6,CH340C,CH484,CH32V303,CH483,CH486,CH340G,CH246,CH578,CH457,CH32V303VCT6,CH577,CH335,CH456,CH552T,CH579,CH552P,CH577F,CH32F203C6T6,CH9344,CH451,CH450,CH444G,CH453,CH452,CH334,CH455,CH454,CH9328,CH348,CH9329,CH224P,CH9326,CH34B,CH9342G,CH32F208RBT6,CH581,CH583,CH341,CH462,CH32F203VCT6,CH32F208WBU6,CH582,CH340,CH552E,CH343,CH342,CH463,CH552G,CH345,CH224,CH443K,CH344,CH556,CH555,CH558,CH557,CH559,CH317,CH438,CH224D,CH32V203C6T6,CH442E,CH552,CH551,CH554,CH224K,CH551G,CH343P,CH567,CH446,CH445,CH569,CH448,CH568,CH440R,CH449,CH440P,CH573X,CH9340K,CH9340C,CH32F207VCT6,CH440,CH442,CH344L,CH565,CH444,CH443,CH32V303RCT6,CH32V103R8T6,CH448F,CH9103M,CH9143,CH557Q,CH9140,CH532,CH9142,CH545L,CH531,CH9141,CH545,CH544,CH423,CH547,CH546,CH549,CH548,CH32F103R8T6,CH32F203RCT6,CH541,CH540,CH543,CH422,CH542,CH554T,CH445P,CH554P,CH32V303RBT6,CH9101U,CH579F,CH9101H,CH32V307RCT6,CH32V203K8T6,CH555L,CH9121,CH9120,CH579M,CH522,CH9102X,CH525,CH444P,CH524,CH527,CH528,CH578F,CH554E,CH9344L,CH578M,CH348L,CH554G,CH348Q,CH521,CH9102F,CH9350,CH483M,CH32F203CBT6,CH32V103C8T6,CH483X,CH549L,CH549F,CH549G,CH581F,CH32F103C8T6,CH32F207,CH32F205,CH559T,CH32F203,CH32V103C8U8,CH482X,CH32F208,CH548G,CH32V208,CH548L,CH32V203,CH548N,CH32V208CBU6,CH558T,CH32V303CBT6,CH547G,CH392,CH547F,CH482D,CH395,CH559L,CH547L,CH397,CH32F103,CH546G,CH32V103,CH558L,CH546L,CH481D

2022/01 - 沁恒 - 选型指南代理服务技术支持批量订货

4:4 交叉通道超高速模拟开关芯片 CH9444 4:6 交叉通道超高速 USB 模拟开关芯片 CH9445手册

型号- CH9444,CH9445,CH9444F,CH9445F

2024/9/14 - 沁恒 - 数据手册 - V1.4 代理服务技术支持批量订货查看更多版本

【应用】国产CH482D超高速模拟开关用作USB3.0信号切换，最高支持6Gbps速率

该项目是为某公司定制的一块USB接口扩展卡，板卡功能是CPU通过PCIe接口扩展4个USB2.0接口和1个USB3.0接口。USB3.0用来作为高速通信接口，USB3.0接口采用TYPE-C设计，因为TYPE-C接口有两组USB3.0信号，要用模拟开关切换，笔者选用了沁恒公司的CH482D。

2022-07-22 - 应用方案代理服务技术支持批量订货

沁恒模拟开关芯片选型表

沁恒模拟开关芯片选型表，主要包含低阻宽带双向模拟开关芯片，矩阵模拟开关芯片，矩阵差分信号模拟开关芯片，矩阵交换宽带超速模拟开关芯片，宽带超速双向模拟开关芯片，宽带超速双向+DPDT宽带高速双向模拟开关芯片，宽带超速双向模拟开关芯片，超高速差分信号双向模拟开关芯片八个品类。包含4路二选一、2路二选一、1路二选一、2路四选一、2路八选一、1路十六选一、16*8阵列、24*5阵列、2路四交换四、2路二交叉、6路二选一、4路四选一、4X4通道交替模式MUX等开关。

产品型号	品类	功能描述	典型供电（V）	典型内阻（Ω）	典型带宽（MHz）	信号电压（V）	封装	应用信号推荐
CH440G	低阻宽带双向模拟开关芯片	4路二选一	3.3V/5V	4.5Ω	520MHz	0~VDD	SOP16	USB2.0(480Mbps)

选型表 - 沁恒立即选型

CH334U IC RoHS (SGS) Test Report (CANEC2304439901)

型号- CH32V103C6T6,CH32F103VCT6,CH32F205RBT6,CH32V103VBT6,CH370,CH251,CH372,CH132,CH374,CH252,CH376,CH375,CH378,CH32V107RCT6,CH32V208WBU6,CH32V403CBT6,CH32V003J4M6,CH32F103C6T6,CH382,CH384,CH32V305WBU6,CH237,CH358,CH32F107RCT6,CH236,CH357,CH32F103C8U6,CH238,CH359,CH32L103J4M6,CH32V103VCT6,CH590,CH350,CH471,CH592,CH591,CH231,CH352,CH351,CH472,CH593,CH233,CH354,CH232,CH353,CH235,CH356,CH234,CH355,CH248,CH247,CH368,CH249,CH32V107RBT6,CH32V203G6U6,CH482,CH360,CH481,CH242,CH484,CH241,CH483,CH244,CH365,CH486,CH122,CH243,CH364,CH246,CH367,CH245,CH366,CH457,CH578,CH3232,CH335,CH456,CH577,CH32V303VCT6,CH217,CH338,CH459,CH337,CH458,CH579,CH334U,CH339,CH32V003A4M6,CH32V405RBT6,CH570,CH330,CH451,CH572,CH450,CH571,CH332,CH453,CH574,CH331,CH452,CH573,CH213,CH334,CH455,CH576,CH454,CH575,CH226,CH347,CH225,CH228,CH227,CH348,CH32V403G6U6,CH32V407VCT6,CH32L103G6U6,CH581,CH341,CH462,CH583,CH340,CH582,CH32F208WBU6,CH343,CH464,CH221,CH342,CH463,CH224,CH345,CH344,CH465,CH314,CH556,CH313,CH555,CH316,CH558,CH315,CH557,CH318,CH317,CH438,CH559,CH319,CH32L103F4U6,CH32F103VBT6,CH552,CH32L103FBP6,CH551,CH312,CH554,CH311,CH432,CH553,CH446,CH567,CH445,CH448,CH569,CH447,CH568,CH449,CH32F207VCT6,CH440,CH561,CH321,CH442,CH563,CH441,CH562,CH323,CH444,CH565,CH322,CH443,CH564,CH413,CH534,CH412,CH533,CH536,CH538,CH537,CH539,CH32V103R8T6,CH9936,CH9937,CH32V203F8U6,CH32V403C6T6,CH530,CH32V203G8R6,CH411,CH532,CH410,CH531,CH424,CH545,CH423,CH544,CH547,CH546,CH549,CH548,CH32F103R8T6,CH32V403F8P6,CH32V407RCT6,CH541,CH32L103CBT6,CH540,CH422,CH543,CH421,CH542,CH633,CH632,CH635,CH32V003F4P6,CH634,CH516,CH637,CH636,CH639,CH638,CH32L103F4P6,CH32V307RCT6,CH32L103CBU6,CH631,CH32V203G8P6,CH523,CH522,CH643,CH525,CH524,CH527,CH526,CH529,CH528,CH32V203F6P6,CH521,CH642,CH520,CH641,CH32F107RBT6,CH32F203CBT6,CH32V105RBT6,CH32V103R6T6,CH32V403G8P6,CH622,CH621,CH32V003F4U6,CH32F103R6T6,CH32F105RCT6,CH32V403F6P6,CH32L103G8P6,CH32V105RCT6,CH32V403F8U6,CH32V403G8R6,CH32V303CBT6,DM7407,CH32L103F8U6,CH32V305FBP6,CH32L103F6P6,CH32V405FBP6,CH32L103G8R6,CH32V403K6T6,CH9415,CH9413,CH9414,CH9412,CH32F107VBT6,CH8572,CH8571,CH32F203C8T6,CH8570,CH9884,CH32V208RBT6,CH32L103C6T6,CH32V305RBT6,CH9516,CH9514,CH9515,CH9512,CH9513,CH9511,CH32V208GBU6,CH32L103F8P6,CH9882,CH32V203C8T6,CH9626,CH9627,CH9624,CH9625,CH9622,CH9623,CH32F105RBT6,CH9628,CH9629,CH32F203C8U6,CH32V203C8U6,CH9578,CH9576,CH9577,CH32V405WBU6,CH32V403C8T6,CH32F103RCT6,CH32V103RBT6,CH9100,CH9342,CH32F203C6T6,CH9341,CH9102,CH9344,CH9101,CH9343,CH9463,CH9340,CH9328,CH9327,CH9569,CH9329,CH9326,CH9565,CH9325,CH9445,CH9566,CH32V107VCT6,CH32L103C8T6,CH32V403C8U6,CH32F208RBT6,CH9331,CH9574,CH9330,CH9575,CH9573,CH32F203VCT6,CH9317,CH9318,CH9438,CH9435,CH9436,CH9315,CH9433,CH9434,CH32F107VCT6,CH32L103C8U6,CH32V103RCT6,CH9320,CH32V203C6T6,CH32V307VCT6,CH9426,CH32V107VBT6,CH32V403VCT6,CH9431,CH9552,CH9432,CH32V203F8P6,CH32V303RCT6,CH32L103K6T6,CH32F203K8T6,CH9144,CH32L103A4M6,CH9143,CH9145,CH9140,CH9142,CH9141,CH9126,CH32V407WCU6,CH32F105VCT6,CH32F203RCT6,CH9375,CH9374,CH9371,CH9370,CH9373,CH9130,CH9372,CH32V303RBT6,CH32F103RBT6,CH32V203K8T6,CH9122,CH9121,CH9120,CH32V307WCU6,CH9104,CH9346,CH9103,CH9345,CH32V403RCT6,CH32F203RBT6,CH9232,CH9110,CH9234,CH9230,CH9350,CH32V203RBT6,CH32V103C8T6,CH32V403K8T6,CH32L103K8T6,CH32F103C8T6,CH32V403RBT6,CH32V103C8U6,CH32V105VCT6,CH181,CH183,CH182,CH32V208CBU6,CH390,CH392,CH32V203K6T6,CH394,CH9165,CH396,CH395,CH32L103GBU6,CH398,CH397,CH9161,CH32F105VBT6,CH32V105VBT6,CH9397,CH9150,CH9153,CH9152

31 Mar 2023 - 沁恒 - 测试报告代理服务技术支持批量订货