模拟开关（Analog Switch）是一种由数字信号控制的无触点电子开关。它利用MOSFET的导通与截止来切换模拟信号。相比于机械继电器，它拥有寿命长、速度快、体积小的巨大优势，但也存在导通电阻、信号泄露等半导体特性带来的限制。
| 型号 | 制造商 | 封装 | Pin2PIN | 参数 |
|---|---|---|---|---|
| EMS4100N | ENERGYMATH | QFN2×3-18L | ASW3410 (ASW), DIO3340 (Diodes), | Two-Channel Differential 2:1/1:2 USB 3.1 Super Speed 10Gbps Mux/DeMux |
| EMS4000RSW | ENERGYMATH | QFN1.4×1.8-10L | NX3DV42GU, SGM7227YU, | Dual 2:1 USB2.0 Mux/De-Mux with DC 20V Over-Voltage Protection |
| EMS4000RSE | ENERGYMATH | QFN1.5×2.0-10L | NX3DV42GU, SGM7227YU, | Dual 2:1 USB2.0 Mux/De-Mux with DC 20V Over-Voltage Protection |
| EMS4000DRC | ENERGYMATH | DFN3x3-10L | NX3DV42GU, SGM7227YU, | Dual 2:1 USB2.0 Mux/De-Mux with DC 20V Over-Voltage Protection |
| EMS4000MS | ENERGYMATH | MSOP-10L | NX3DV42GU, SGM7227YU, | Dual 2:1 USB2.0 Mux/De-Mux with DC 20V Over-Voltage Protection |
| EMS4320RSW | ENERGYMATH | QFN1.4x1.8-10L | DIO32320 | USB2.0 Hi-Speed and HiFi Audio/UART Switches with Negative Swing Capability |
| EMS4321RSW | ENERGYMATH | QFN1.4x1.8-10L | DIO32321 | USB2.0 Hi-Speed and HiFi Audio/UART Switches with Negative Swing Capability |
| EMS3900RSW | ENERGYMATH | QFN1.4×1.8-10L | TMUXHS221, SGM7227YU, | Dual high-speed USB 2.0 double-pole double-throw analog switch |
| EMS3902RSW | ENERGYMATH | QFN1.4×1.8-10L | BL1530TQFN , SGM7222YU, | Dual high-speed USB 2.0 double-pole double-throw analog switch |
| EMS3902MS | ENERGYMATH | MSOP-10L | BL1530MSOP, SGM7222YMS, | Dual high-speed USB 2.0 double-pole double-throw analog switch |
| EMS3905RSW | ENERGYMATH | QFN1.4×1.8-10L | NLAS5223MNR2G, SGM5223YWQ10, | Low Voltage and High Speed Dual SPDT Analog Switch with True Isolation |
| EMS3905MS | ENERGYMATH | MSOP-10L | ASW5223MSOG, SGM3005XMS, | Low Voltage and High Speed Dual SPDT Analog Switch with True Isolation |
| EMS3905DRC | ENERGYMATH | DFN3×3-10L | ASW5223DNG, SGM3005XD, | Low Voltage and High Speed Dual SPDT Analog Switch with True Isolation |
| EMS3157GM | ENERGYMATH | DFN1x1.45-6L | 74LVC1G3157GM | Low Voltage and High Speed SPDT Analog Switch with True Isolation |
| EMS3157GW | ENERGYMATH | SOT363 | 74LVC1G3157GW, SN74LVC1G3157DCK, | Low Voltage and High Speed SPDT Analog Switch with True Isolation |
| EMS3157GW-Q100 | ENERGYMATH | SOT363 | 74LVC1G3157GW-Q100, SN74LVC1G3157DCKQ, | Low Voltage and High Speed SPDT Analog Switch with True Isolation |
| EMS3157GV | ENERGYMATH | SOT23-6L | 74LVC1G3157GV, SN74LVC1G3157DBV, | Low Voltage and High Speed SPDT Analog Switch with True Isolation |
| EL3157GW | ENERGYMATH | SOT363 | 74LVC1G3157GW, SN74LVC1G3157DCK, | Low Voltage and High Speed SPDT Analog Switch with True Isolation |
| EL3157GV | ENERGYMATH | SOT23-6L | 74LVC1G3157GV, SN74LVC1G3157DBV, | Low Voltage and High Speed SPDT Analog Switch with True Isolation |
| EMS23157MS | ENERGYMATH | MSOP-10L | TS5A23157, DIA231570, | Low Voltage and High Speed Dual SPDT Analog Switch with True Isolation |