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 | 品牌 | Pin2PIN | 参数 | 封装 |
|---|---|---|---|---|
| EMS4899UD | ENERGYMATH | WAS4899Q-16, SGM3699YTQ16, | Low On Resistance, Quad SPDT Analog Switch | QFN3x3-16L |
| EMS4567Q | ENERGYMATH | FSA2567, DIO1567, | Low Power, Dual SIM Card Analog Switch | QFN1.8×2.6-16L |
| EMS4735Q | ENERGYMATH | FSUSB74, RS2274, | Dual 4:1 High-Speed USB2.0 (480Mbps) SPQT Analog Switch | QFN1.8×2.6-16L |
| EMS4422RSE | ENERGYMATH | 2:1 Mux/DeMux High Bandwidth HDMITM 2.1 Compliant Signal Switch | QFN5x5-40L | |
| EMS3515YFQ | ENERGYMATH | FSA515, DIO1505, | 5 V SPST Depletion Switch with Negative Swing | WLCSP4 |
| EMS3518DRB | ENERGYMATH | Dual 5V SPST Depletion Audio Switches with Negative Swing | DFN3.0x3.0 - 8L | |
| EMS3550UD | ENERGYMATH | FSA550, DIO1501, | Four-Pole Single-Throw (4-PST) Depletion Mode Isolation Switch | QFN3.0x3.0-16L |
| EMS4798C | ENERGYMATH | SGM3798 | Audio Headset Analog Switch with Reduced GND Switch RON and FM Capability | WLCSP9 |
| EM74CBT3257PW | ENERGYMATH | 74CBT3257PW, SN74CBT3257PW, | Quad 1-of-2 multiplexer/demultiplexer | TSSOP16L |
| EM74CBT3257D | ENERGYMATH | 74CBT3257D, SN74CBT3257D, | Quad 1-of-2 multiplexer/demultiplexer | SOP-16L |
| EM74CBTLV3257PW | ENERGYMATH | 74CBTLV3257PW, SN74CBTLV3257PW, | Quad 1-of-2 multiplexer/demultiplexer | TSSOP16L |
| EM74CBTLV3257D | ENERGYMATH | 74CBTLV3257D, SN74CBTLV3257D, | Quad 1-of-2 multiplexer/demultiplexer | SOP-16L |
| EM74CBTLV3253PW | ENERGYMATH | 74CBTLV3253PW, SN74CBTLV3253PW, | Dual 1-of-4 multiplexer/demultiplexer | TSSOP16L |
| EM74CBTLV3253D | ENERGYMATH | 74CBTLV3253D, SN74CBTLV3253D, | Dual 1-of-4 multiplexer/demultiplexer | SOP-16L |
| EM74CBTLV3126PW | ENERGYMATH | 74CBTLV3126PW, SN74CBTLV3126PW, RS2268XQ | Quad bus switch | TSSOP14L |
| EM74CBTLV3126D | ENERGYMATH | SN74CBTLV3126D, RS2268XSS16 | Quad bus switch | SOP-14L |
| EM74CBTLV3125PW | ENERGYMATH | 74CBTLV3125PW, SN74CBTLV3125PW, | Quad bus switch | TSSOP14L |
| EM74CBTLV3125D | ENERGYMATH | SN74CBTLV3125D, | Quad bus switch | SOP-14L |
| EMCD4051D | ENERGYMATH | HEF4051BT, CD4051D, | 8-channel analog multiplexer/demultiplexer | SOP-16L |
| EMCD4051PW | ENERGYMATH | HEF4051BTT, CD4051PW, | 8-channel analog multiplexer/demultiplexer | TSSOP16L |