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