PTMUX1511PWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments PTMUX1511PWR is a low-capacitance, 4-channel SPST 1:1 switch with powered-off protection. It operates with 1.8 V logic control and maintains signal integrity when the supply is removed. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- PTMUX1511PWR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTMUX1511PWR?
- 4-channel SPST 1:1 switching with powered-off protection for reliable signal isolation when supply is absent
- 1.8 V logic-compatible control inputs supporting modern low-voltage processor and SoC interfaces
- Low switch capacitance design minimizing signal distortion in high-speed communication and data lines
What is PTMUX1511PWR used for?
The PTMUX1511PWR is designed for portable electronics and battery-powered systems where the switch must remain open when VCC is disconnected, preventing backdriving of downstream devices. It enables safe multiplexing of I2C, SPI, or GPIO lines between host processors and peripherals in smartphones, tablets, and wearables. The 1.8 V logic compatibility makes it ideal for integration with modern low-voltage application processors.
What are the specifications of PTMUX1511PWR?
| Date Of Intro | 2018-09-22 |
| YTEOL | 0 |
| Analog IC - Other Type | SPST |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the PTMUX1511PWR datasheet?
PTMUX1511PWR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTMUX1511PWR?
Compatible alternatives and drop-in replacements for PTMUX1511PWR:
Frequently Asked Questions
What logic voltage level does the PTMUX1511PWR require to control its 4 switch channels?
The PTMUX1511PWR uses 1.8 V logic-level control inputs, making it compatible with modern low-voltage SoCs and microprocessors. It provides 4-channel SPST switching and features powered-off protection, ensuring all 4 channels remain open when VCC is at 0 V to prevent signal backdriving.
How does powered-off protection in PTMUX1511PWR benefit battery-operated device designs?
Powered-off protection ensures that when the PTMUX1511PWR supply drops to 0 V, all 4 switch channels are forced open, blocking any signal or current path. This protects downstream ICs from backdriving currents during power cycling, which is critical in 1.8 V bus-sharing architectures common in portable and wearable electronics.
For which signal interface standards is PTMUX1511PWR's low-capacitance design particularly advantageous?
The low switch capacitance of PTMUX1511PWR makes it well-suited for high-speed interfaces such as I2C running at 400 kHz or 1 MHz, SPI at several MHz, and general GPIO multiplexing. Reduced capacitance loading minimizes signal rise-time degradation and cross-talk when switching among 4 channels at 1.8 V logic levels.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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