TMUX1574
- Wide supply range: 1.5 V to 5.5 V
- Low on-capacitance: 7.5 pF
- Low on-resistance: 2 Ω
- High bandwidth: 2 GHz
- -40°C to +125°C operating temperature
- 1.8 V Logic Compatible
- Supports Input Voltage Beyond Supply
- Integrated Pull Down Resistor on Logic Pins
- Bidirectional Signal Path
- Fail-Safe Logic
- Powered-off Protection up to 3.6 V Signals
- Pinout compatible to SN74CBTLV3257
The TMUX1574 is a complementary metal-oxide semiconductor (CMOS) switch. The TMUX1574 offers 2:1 SPDT switch configuration with 4-channels. Wide operating supply of 1.5 V to 5.5 V allows for use in a broad array of applications from servers and communication equipment to industrial applications. The device supports bidirectional analog and digital signals on the source (SxA, SxB) and drain (Dx) pins and can pass signals above supply up to VDD x 2, with a maximum input/output voltage of 5.5 V.
Powered-off Protection up to 3.6 V on the signal path of the TMUX1574 provides isolation when the supply voltage is removed (VDD = 0 V). Without this protection feature, switches can back-power the supply rail through an internal ESD diode and cause potential damage to the system.
Fail-Safe Logic circuitry allows voltages on the logic control pins to be applied before the supply pin, protecting the device from potential damage. All control inputs have 1.8 V logic compatible thresholds, ensuring both TTL and CMOS logic compatibility when operating in the valid supply voltage range. Integrated pull down resistor on the logic pins removes external components to reduce system size and cost.
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設計與開發
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許多 TI 參考設計包含 TMUX1574
使用我們的參考設計選擇工具,以檢視並找出最適合您的應用和參數的設計。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| UQFN (RSV) | 16 | Ultra Librarian |
| TSSOP (PW) | 16 | Ultra Librarian |
| SOT-23-THN (DYY) | 16 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。