TMUX7348FRTJR Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The TMUX7348FRTJR is a fault-protected 8:1 analog multiplexer from Texas Instruments with ±60 V fault protection, 150 MHz bandwidth, and 1.8 V logic compatibility. It offers latch-up immunity and a fault threshold feature. From $1.80, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 21
- Lifecycle
- ACTIVE
- Datasheet
- TMUX7348FRTJR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.5220(MOQ 25)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ±60 V fault protection prevents damage from overvoltage transients on signal lines
- 150 MHz bandwidth supports high-speed analog signal routing without degradation
- 1.8 V logic compatibility integrates seamlessly with modern low-voltage MCUs and FPGAs
- 8:1 multiplexer configuration reduces BOM count in multi-channel measurement systems
Applications
The TMUX7348FRTJR is well-suited for industrial data acquisition systems where signal lines may experience fault voltages up to ±60 V, providing reliable channel selection across 8 inputs. It excels in automatic test equipment (ATE) designs that require high-bandwidth analog switching at 150 MHz with low crosstalk. Medical and instrumentation equipment also benefit from its latch-up immunity and 1.8 V logic interface for safe multi-channel signal routing.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | Configuration : 8:1 |
| Analog IC - Other Type | SINGLE-ENDED MULTIPLEXER |
| Bandwidth-Nom | 150MHz |
| JESD-30 Code | S-PQCC-N20 |
| JESD-609 Code | e4 |
| Neg Supply Voltage-Max (Vsup) | -22 V |
| Neg Supply Voltage-Min (Vsup) | -5 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Normal Position | NO |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 82dB |
| On-state Resistance Match-Nom | 2.5Ω |
| On-state Resistance-Max (Ron) | 250Ω |
| Output | COMMON OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Signal Current-Max | 0.0099A |
| Supply Current-Max (Isup) | 0.5mA |
| Supply Voltage-Max (Vsup) | 44V |
| Supply Voltage-Min (Vsup) | 5V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Switch-off Time-Max | 420ns |
| Switch-on Time-Max | 300ns |
| Switching | BREAK-BEFORE-MAKE |
| Technology | CMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the TMUX7348FRTJR handle overvoltage faults on its signal pins?
The TMUX7348FRTJR includes ±60 V fault protection on its signal pins, which prevents latch-up or device damage when input voltages exceed the supply rails. This makes it suitable for industrial and automotive applications where transient overvoltages of 60 V or more can occur on signal lines.
What bandwidth does the TMUX7348FRTJR support for high-speed analog switching?
The TMUX7348FRTJR supports 150 MHz nominal bandwidth, enabling it to route high-frequency analog signals with minimal amplitude loss or phase distortion. This makes it a strong choice for RF testing, video signal routing, or wideband sensor multiplexing applications requiring low insertion loss across 8 channels.
Can the TMUX7348FRTJR be directly controlled by a 1.8 V microcontroller without level translation?
Yes, the TMUX7348FRTJR natively accepts 1.8 V logic control signals, eliminating the need for external level translators when interfacing with modern low-voltage MCUs or FPGAs. This simplifies PCB design and reduces component count in battery-powered or low-voltage data acquisition systems.
For a 20-pin QFN layout, how compact is the TMUX7348FRTJR compared to discrete relay-based multiplexing?
The TMUX7348FRTJR integrates 8:1 multiplexing with fault protection in a 20-pin QFN package, occupying only a few square millimeters versus the far larger footprint of 8 discrete relays and protection diodes. This compact integration saves board space and reduces assembly cost in dense designs with multiple multiplexed channels.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $6.8472 | $171.18 |
| 100+ | $6.2691 | $626.91 |
| 250+ | $6.1556 | $1538.91 |
| 3000+ | $5.5220 | $16565.91 |
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