PTMUX1574PWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Low-capacitance 2:1 SPDT 4-channel analog switch with powered-off protection and 1.8 V logic compatibility. Supports high-bandwidth signal routing with minimal signal distortion. From $0.50 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- PTMUX1574PWR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTMUX1574PWR?
- 4-channel 2:1 SPDT configuration enables independent routing of 4 signal pairs on a single chip, reducing BOM count
- Low-capacitance design minimizes signal distortion in high-frequency analog or digital signal paths operating up to several hundred MHz
- Powered-off protection prevents signal leakage and backfeeding when the device supply is at 0 V, protecting downstream circuits during power sequencing
- 1.8 V logic control compatibility allows direct interface with modern low-voltage SoCs and FPGAs without level shifters
What is PTMUX1574PWR used for?
The PTMUX1574PWR is ideal for portable consumer electronics and mobile devices where multiple high-speed data interfaces such as USB, DisplayPort, or audio signals must be switched between host and peripheral connections. Its powered-off protection and low-capacitance channel design make it well suited for notebook computers, tablets, and smartphones that require reliable signal muxing without degrading signal integrity. Industrial test equipment and protocol analyzers also benefit from its 4-channel SPDT flexibility for routing differential or single-ended signals.
What are the specifications of PTMUX1574PWR?
| Date Of Intro | 2018-10-21 |
| YTEOL | 0 |
| Analog IC - Other Type | SPDT |
| 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 PTMUX1574PWR datasheet?
PTMUX1574PWR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTMUX1574PWR?
Compatible alternatives and drop-in replacements for PTMUX1574PWR:
Frequently Asked Questions
How many signal channels does the PTMUX1574PWR support, and what switch topology does it use?
The PTMUX1574PWR provides 4 independent channels each configured as a 2:1 SPDT (Single-Pole Double-Throw) switch, allowing up to 4 separate signal lines to be routed between two alternative paths simultaneously. This makes it efficient for applications that need to multiplex 4 differential or single-ended signal pairs without requiring multiple discrete switch ICs, saving board area and reducing BOM cost.
What logic voltage does the PTMUX1574PWR require for its control inputs, and why does that matter for modern system designs?
The PTMUX1574PWR accepts 1.8 V logic levels for its control inputs, which directly interfaces with low-voltage SoCs, application processors, and FPGAs without requiring additional level-shifting circuitry. This 1.8 V compatibility reduces design complexity and power consumption in modern portable devices, tablets, and IoT edge nodes that predominantly use sub-2 V I/O standards.
What does powered-off protection mean on the PTMUX1574PWR, and in which scenarios does it protect the circuit?
Powered-off protection means that when the PTMUX1574PWR supply voltage is 0 V, the switch channels remain isolated and do not allow signal current to flow backwards into the powered-down device. This feature is critical in multi-rail systems where different supply domains power up and down in sequence, such as during hot-plug events or sleep mode transitions in USB or DisplayPort applications, preventing latch-up or damage to ICs on the same signal bus.
What package does the PTMUX1574PWR come in and how does it fit into compact PCB layouts?
The PTMUX1574PWR is available in a small outline package (TSSOP or WSON variant per the PWR suffix), which provides a compact footprint suitable for space-constrained mobile and consumer electronics designs. Small outline packages typically occupy less than 20 mm² of board area, enabling designers to place multiple signal switch ICs close to the connector or processor I/O pads to minimize trace length and parasitic capacitance.
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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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