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Home Products Integrated Circuits (ICs)Interface - Drivers, Receivers, Transceivers~~SN65LVDT14PWRG4~~

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SN65LVDT14PWRG4 - Texas Instruments

Name: Texas Instruments SN65LVDT14PWRG4
Brand: Texas Instruments
SKU: SN65LVDT14PWRG4
Price: 1.194 USD
Availability: InStock
Rating: 5 (6 reviews)

Manufacturer Part Number: SN65LVDT14PWRG4

Manufacturer: Texas Instruments

Allelco Part Number: 98D-SN65LVDT14PWRG4

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 14,947 pcs available, New & Original

Parts Description: IC TRANSCEIVER HALF 1/4 20TSSOP

Package: 20-TSSOP

Data sheet: SN65LVDT14PWRG4.pdf

HTML Datasheet
SN65LVDT14/41.pdf

RoHs Status: ROHS3 Compliant

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Specifications

SN65LVDT14PWRG4 Tech Specifications
Texas Instruments - SN65LVDT14PWRG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN65LVDT14PWRG4

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Supply	3V ~ 3.6V
Type	Transceiver
Supplier Device Package	20-TSSOP
Series	65LVDT
Protocol	LVDS
Package / Case	20-TSSOP (0.173", 4.40mm Width)

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Operating Temperature	-40°C ~ 85°C
Number of Drivers/Receivers	1/4
Mounting Type	Surface Mount
Duplex	Half
Data Rate	125Mbps
Base Product Number	65LVDT14

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	5A991B1
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

How does the SN65LVDT14PWRG4 compare to other LVDS transceivers in terms of data rate and power consumption when operating at 3.3V?: The SN65LVDT14PWRG4 supports a maximum data rate of 125 Mbps, which positions it well for mid-speed serial communication links such as those found in industrial control systems or video transmission applications. When operating within its 3V to 3.6V supply range—typically 3.3V in most designs—the device consumes relatively low quiescent current due to its optimized CMOS architecture. This efficiency makes it suitable for power-sensitive environments where thermal management is critical. Compared to higher-speed alternatives like the DS90LV048 (which supports up to 1.5 Gbps), the SN65LVDT14PWRG4 trades speed for lower power and smaller footprint, making it ideal for embedded applications rather than high-bandwidth data centers.

What are the key considerations when integrating the SN65LVDT14PWRG4 into a system requiring galvanic isolation or ESD protection beyond standard levels?: While the SN65LVDT14PWRG4 provides basic ESD protection per IEC standards, systems demanding enhanced immunity—such as automotive or outdoor industrial installations—require supplemental protection components. External TVS diodes rated for ±15 kV contact discharge and transient voltage suppression networks should be placed close to connectors. Additionally, optocouplers or digital isolators may be necessary if signal isolation is required. The 20-TSSOP package allows compact layout, but care must be taken to maintain impedance-controlled traces for reliable differential signaling. Isolation cannot be achieved internally with this part alone, so system-level design must incorporate additional layers of protection.

In what scenarios would the half-duplex operation of the SN65LVDT14PWRG4 limit its usefulness compared to full-duplex alternatives?: The SN65LVDT14PWRG4 supports only half-duplex communication, meaning transmit and receive functions share the same channel and cannot operate simultaneously. This limits its applicability in bidirectional data exchange scenarios where real-time responsiveness is essential, such as in daisy-chained sensor networks or legacy fieldbus protocols like PROFIBUS. Applications requiring simultaneous upstream and downstream traffic—such as high-speed backplane interconnects or multi-drop telemetry systems—would benefit more from full-duplex transceivers. For point-to-point control systems using time-division multiplexing or polling architectures, however, half-duplex remains efficient and cost-effective.

Can the SN65LVDT14PWRG4 be used reliably over extended temperature ranges without derating performance parameters?: The SN65LVDT14PWRG4 is specified for operation from -40°C to +85°C, covering most industrial and commercial environments. Within this range, all electrical characteristics—including propagation delay, skew, and output swing—remain within datasheet tolerances. However, at the upper end of the temperature spectrum, slight increases in propagation delay and degradation in eye diagram margins may occur due to semiconductor mobility effects. Designers should account for these variations by allowing margin in timing budgets, especially in synchronous systems relying on precise clock recovery. No active cooling or derating is required unless ambient conditions exceed 85°C.

How does the driver/receiver ratio of 1/4 affect system scalability when using multiple SN65LVDT14PWRG4 devices on a shared bus?: Each SN65LVDT14PWRG4 contains one transmitter and four receivers, enabling flexible point-to-multipoint topologies. On a shared LVDS bus, up to four nodes can monitor the line while one node actively transmits. This configuration supports scalable monitoring architectures common in sensor aggregation or status reporting systems. However, bus loading must consider both capacitive load from terminated stubs and current draw from parallel receivers. Exceeding recommended trace lengths or adding too many receivers without proper termination can degrade signal integrity. Careful PCB layout with controlled impedance (typically 100Ω differential) and stub minimization is essential for maintaining signal quality across multiple receiver inputs.

What impact does the 20-TSSOP package have on thermal performance and routing density in high-channel-count designs?: The 20-lead TSSOP (4.4mm x 6.5mm) offers a compact form factor beneficial for space-constrained applications, but its small size results in limited exposed thermal dissipation paths. While not intended as a primary heat sink, the package includes an optional thermal pad underside (varies by variant) that can aid conduction to the PCB ground plane. In dense systems with multiple SN65LVDT14PWRG4 devices, thermal crowding may require careful layer stack planning and via stitching to adjacent copper pours. Routing density benefits from narrow pitch (0.65mm lead spacing), enabling tight placement alongside microcontrollers or FPGAs, but designers must balance routing complexity against signal integrity needs, particularly for high-speed differential pairs.

Are there any known compatibility issues between the SN65LVDT14PWRG4 and non-LVDS receiver ICs when interfacing over long cables?: The SN65LVDT14PWRG4 outputs standard LVDS-compliant signals with typical differential voltage levels of 350 mV and common-mode voltage near VCC/2. Most modern LVDS receivers will interoperate correctly, including TI’s own SN65LVDTxx family and third-party parts from Analog Devices or Maxim. However, older or non-standard receivers may interpret edge rates or noise margins differently, leading to data errors over longer distances (>1 meter). Cable attenuation and EMI susceptibility increase with length, necessitating proper termination and shielding. For interfaces exceeding 10 meters, consider protocol-aware repeaters or fiber conversion instead of raw electrical extension.

What precautions should be taken during PCB layout to ensure reliable operation of the SN65LVDT14PWRG4 in noisy industrial environments?: To minimize electromagnetic interference and crosstalk, differential pairs routed to the SN65LVDT14PWRG4 should maintain consistent 100Ω impedance using matched trace widths and spacing. Keep traces short and avoid vias when possible; if required, use differential via pairs. Place bypass capacitors (0.1 µF ceramic) as close as possible to each VCC pin, preferably on the same side as the device. Separate analog and digital grounds at the power entry point, and connect them through a single star point near the IC. Avoid routing high-speed digital lines parallel to LVDS channels. Ground plane continuity beneath the package enhances noise immunity and aids heat dissipation.

How does the Moisture Sensitivity Level (MSL) rating of 1 influence handling procedures before reflow soldering?: With an MSL rating of 1, the SN65LVDT14PWRG4 is considered moisture-insensitive and can be stored indefinitely under normal ambient conditions without baking prior to assembly. Unlike components rated MSL 3 or higher, it does not require pre-dry treatment even after extended exposure to humid environments. This simplifies inventory management and reduces manufacturing overhead. However, standard IPC guidelines for handling ESD-sensitive devices still apply, and packaging should remain intact until just before placement to prevent contamination. Reflow profiles must comply with J-STD-020 for lead-free processes, ensuring peak temperatures do not exceed the junction limit of 150°C above TAMB.

Can the SN65LVDT14PWRG4 drive multiple loads without degrading signal quality or exceeding output current limits?: The SN65LVDT14PWRG4 has a typical output current capability sufficient for driving one properly terminated 100Ω differential load. Attempting to drive multiple receivers simultaneously introduces significant reflections and loading effects due to impedance mismatch. If multi-drop reception is required, use separate receiver stages or implement buffered architectures with dedicated drivers per branch. Alternatively, consider using receiver-only parts like the SN75LVDT790 alongside the SN65LVDT14PWRG4 to offload input buffering and reduce stress on the transmitter. Never assume the transmitter can source current into multiple parallel terminations without verifying eye diagram compliance via simulation or prototype testing.

What role does common-mode voltage stability play in the SN65LVDT14PWRG4’s performance over varying supply voltages?: The SN65LVDT14PWRG4 maintains stable common-mode output voltage near the midpoint of its 3V to 3.6V supply rail, typically around 1.65V at 3.3V. This ensures compatibility with receivers expecting consistent DC bias even under supply fluctuations. However, if the supply sags below 3V due to transient drops or aging batteries, the common-mode level shifts downward, potentially violating input thresholds of some receivers. Designers should ensure stable bulk capacitance and low-impedance power delivery to maintain voltage regulation within ±5% during transient events. Monitoring PSRR (power supply rejection ratio) curves in the datasheet helps assess sensitivity to ripple and dropout.

Is there a recommended termination strategy when cascading multiple SN65LVDT14PWRG4 devices in a daisy-chain topology?: Daisy-chaining multiple SN65LVDT14PWRG4 devices is generally discouraged due to cumulative jitter, reflection buildup, and timing uncertainty. Instead, use a star-topology with a central transceiver driving multiple point-to-point links. If chaining is unavoidable, terminate only at the final receiver using a 100Ω resistor across the differential pair. Intermediate nodes should present high-Z inputs to avoid loading. Clock recovery circuits downstream may struggle with degraded signal fidelity after several hops. For robust long-distance communication, consider using LVDS repeaters or switching to differential signaling standards with built-in regeneration, such as LVPECL or CML.

How does the absence of internal termination affect system design when using the SN65LVDT14PWRG4 over variable cable lengths?: The SN65LVDT14PWRG4 lacks internal termination resistors, requiring external 100Ω resistors placed at the far end of the transmission line to match characteristic impedance and prevent reflections. This increases BOM cost slightly but offers flexibility across different cable types and lengths. System designers must calculate maximum allowable length based on cable capacitance and data rate: approximately 10–15 meters at 125 Mbps for typical twisted-pair cables. Beyond this, signal attenuation and intersymbol interference become problematic. Use time-domain reflectometry (TDR) tools during prototyping to validate termination effectiveness and locate discontinuities.

What are the implications of using the SN65LVDT14PWRG4 in battery-powered portable equipment regarding sleep mode and power-down sequencing?: The SN65LVDT14PWRG4 does not feature a dedicated shutdown pin or ultra-low-power standby mode. Once powered, it draws continuous quiescent current (~2 mA typical). In battery-operated systems requiring energy savings, disable the device by removing power before entering deep-sleep states. Power-up sequencing should ensure stable VCC reaches nominal levels before enabling drivers to avoid latch-up or undefined outputs. Consider using enable pins (if available in specific variants) or GPIO-controlled MOSFETs to isolate the IC from the bus during inactive periods. Always verify that disabled outputs do not float and cause unintended wake-ups in downstream circuitry.

Can the SN65LVDT14PWRG4 interface directly with 5V logic levels without level-shifting components?: No, the SN65LVDT14PWRG4 operates from 3V to 3.6V and is not 5V-tolerant on its input pins. Applying 5V signals directly risks damaging the CMOS inputs. If interfacing with 5V microcontroller UARTs or FPGAs, use open-drain buffers with pull-up resistors to 3.3V, or deploy dedicated level translators like TI’s TXS0108E. Ensure that any reference voltage on the local side matches the transceiver’s supply to preserve noise margins. Never assume backward compatibility—always verify absolute maximum ratings and input threshold specifications before connecting dissimilar logic families.

What verification steps are recommended after selecting the SN65LVDT14PWRG4 for a new design to ensure compliance with timing requirements?: After PCB layout and component placement, perform signal integrity simulations using IBIS models for the SN65LVDT14PWRG4 to predict rise/fall times, overshoot, and jitter. Then, build a prototype and measure eye diagrams using a high-bandwidth oscilloscope with differential probes. Validate worst-case timing margins under temperature extremes (-40°C and +85°C) and worst-case process corners. Confirm that setup and hold times meet the receiving device’s requirements, especially if asynchronous communication is involved. Document all measurements and iterate on trace geometry or termination if eye closure exceeds acceptable thresholds.

How does the substitution availability of SN65LVDT14PWRG4 affect procurement risk and long-term supply planning?: Texas Instruments lists SN65LVDT14PWR as a substitute for the SN65LVDT14PWRG4, indicating minor differences likely related to packaging or marking rather than electrical function. Both parts share the same core die and performance profile. This substitution option provides flexibility during sourcing negotiations or obsolescence mitigation. However, always cross-check latest TI documentation, as substitutions may evolve. Maintain dual-sourcing strategies where possible and update bills of materials accordingly. Avoid assuming interchangeability without verifying part number suffixes and revision codes in distributor catalogs.

What documentation beyond the datasheet is essential when qualifying the SN65LVDT14PWRG4 for safety-critical applications?: For functional safety or regulated industries (e.g., medical, aerospace), obtain TI’s application reports, SPICE models, and reliability test summaries. Review failure modes and effects analysis (FMEA) templates aligned with ISO 26262 or IEC 61508. Ensure the device meets relevant environmental qualifications (temperature cycling, humidity resistance). Verify RoHS and REACH compliance documentation for material transparency. Finally, confirm that the ECCN (5A991B1) and HTSUS (8542.39.0001) classifications align with export control policies. These artifacts support audit trails and demonstrate due diligence in component selection workflows.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN65LVDT14PWRG4

Product Attribute
Part Number	SN65LVDT14PWG4	SN65LVDT14PWR	SN65LVDT14PW	SN65LVDT2DBVRG4
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Voltage - Supply	-	-	-	-
Series	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Type	-	-	-	-
Number of Drivers/Receivers	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Protocol	-	-	-	-
Duplex	-	-	-	-
Data Rate	-	-	-	-

SN65LVDT14PWRG4 Datasheet PDF

Download SN65LVDT14PWRG4 pdf datasheets and Texas Instruments documentation for SN65LVDT14PWRG4 - Texas Instruments.

HTML Datasheet: SN65LVDT14/41.pdf

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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