The CH440R is an analog Switches, Multiplexer made by WCH (Nanjing Qinheng Microelectronics) in a TSSOP-16 package with 16 pins. -40℃~+85℃ 2:1 2ns 3ns 4 4V~5.5V 550MHz 5Ω 9pF TSSOP-16 Analog Switches, Multiplexers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TS3V330DGVR, from EasyEDA) and its footprint (Package_SO:TSSOP-16_4.4x5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 3,312 are in stock at JLCPCB (part C282323). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | IN | Unspecified |
| 2 | S1A | Unspecified |
| 3 | S2A | Unspecified |
| 4 | DA | Unspecified |
| 5 | S1B | Unspecified |
| 6 | S2B | Unspecified |
| 7 | DB | Unspecified |
| 8 | GND | Unspecified |
| 9 | DC | Unspecified |
| 10 | S2C | Unspecified |
| 11 | S1C | Unspecified |
| 12 | DD | Unspecified |
| 13 | S2D | Unspecified |
| 14 | S1D | Unspecified |
| 15 | EN# | Unspecified |
| 16 | VCC | Unspecified |
ZhuYanzhen1/MM32_CLion
本项目是全国大学生智能车竞赛GDUT 2022年极速越野组的项目文件。采用了LQR控制器和多速率卡尔曼融合算法，并在单片机上实现。This project is the project document for the GDUT 2022 Extreme Off-Road Category of the National Student Intelligent Vehicle Competition.
<iframe src="https://pcbkit.io/embed/parts/wch/CH440R" title="CH440R in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/wch/CH440R.jpg" alt="CH440R" width="1200" height="900">[](https://pcbkit.io/parts/wch/CH440R)Yes. The symbol is EasyEDA_Cloud:TS3V330DGVR and the footprint Package_SO:TSSOP-16_4.4x5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
TSSOP-16, with 16 pins. Its footprint is drawn on this page.
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C282323, with 3,312 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD4051BPW by Texas Instruments, the 74HC4052PW by Nexperia, the CD74HC4053PW by Texas Instruments and the TMUX1208PW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
