DS90LV049TMT - 400 Mbps Dual LVDS Transceiver | Texas Instruments
MPN: DS90LV049TMT ✓ فعالDS90LV049TMT نمای کلی
An LVDS transceiver is a signal-interface integrated circuit that transfers data through a balanced differential pair. The low-voltage differential signal represents logic states through the voltage difference between two conductors rather than the voltage referenced to ground. In the signal hierarchy, LVDS belongs to differential line-interface ICs within interface ICs and semiconductor signal-conditioning devices. Balanced signaling improves noise immunity and enables reliable communication across cables or PCB traces where common-mode interference is present.
The DS90LV049 supports data rates above 400 Mbps while emphasizing low power dissipation and exceptional noise immunity. Its flow-through architecture places the input and output functions in a straightforward signal path, while separate driver and receiver channels provide flexibility for point-to-point, multidrop, and dual-ended links. The device accepts single-ended CMOS-side signals and communicates over LVDS differential pairs.
The operating supply identified for the DS90LV049 is 3 V to 3.6 V, with 3.3 V operation highlighted in product descriptions. Its dual-channel arrangement supports two simultaneous high-speed paths, reducing the number of interface packages needed when a system must transmit or receive multiple independent signals. The 16-pin TSSOP package is designed for compact surface-mount PCB layouts.
Typical uses include high-speed point-to-point links between circuit boards, industrial control and data-acquisition systems, test equipment, communications equipment, and embedded systems that need low-power differential signaling over longer interconnects than ordinary single-ended CMOS can reliably support. The transmitter and receiver count also makes the device suitable for compact bidirectional or multi-channel interfaces.
For a new layout, route each LVDS pair as a tightly coupled differential pair with continuous reference-plane return paths. Place termination and any receiver or driver interface components according to the manufacturer's recommended circuit, and keep unused inputs in a defined logic state. Verify the complete system for signal integrity at the intended data rate rather than relying only on the advertised maximum.
This page combines the manufacturer specifications, package information, comparison criteria, and practical interface guidance into a focused engineering reference. It helps designers evaluate the DS90LV049TMT against same-package alternatives while separating device-level capability from application-level signal-integrity requirements.
جایگزین‌های drop-in برای DS90LV049TMT — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
DS90LV049QMT/NOPB
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
DS90LV049TMT مشخصات
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Transceiver Configuration | 2/2 dual line transceiver |
| Maximum Data Rate | Greater than 400 Mbps |
| Product Data Rate | 400 Mbps |
| Supply Voltage Range | 3 V to 3.6 V |
| Nominal Supply Voltage | 3.3 V |
| Logic Input Standard | LVTTL/LVCMOS |
| Differential Output Standard | LVDS |
| Protocol | LVDS |
| Architecture | CMOS flow-through differential line driver-receiver |
| Device Type | Line and bus driver |
| بسته‌بندی | 16-pin TSSOP (PW) |
| Package Width | 4.40 mm |
| Lead Pitch | 0.173 mm |
| Packaging | Tube |
| Temperature Grade | Industrial |
راهنمای پیکربندی پین DS90LV049TMT 4.40 mm
پیکربندی پین برای DS90LV049TMT (پکیج 4.40 mm). شماره‌گذاری پایه‌ها، عملکردها و نمودارهای اتصال در دیتاشیت سازنده تعریف شده است. برای footprint دقیق و دستورالعمل‌های لحیم‌کاری به آن مراجعه کنید.
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کاربردهای معمول
DS90LV049TMT مناسب است برای 6 کاربردs: High-Speed Board-to-Board Links, Industrial Control and Data Acquisition, Communications Equipment Interfaces, Test and Measurement Instrumentation, Embedded Processor and Controller Links, Robotics and Automation Controllers.
High-Speed Board-to-Board Links
The DS90LV049TMT is well suited to point-to-point communication between two circuit boards because it supports data rates in excess of 400 Mbps while providing two differential drivers and two differential receivers. Each LVDS path can connect a CMOS-side transmitter to a receiver across a short backplane or controlled-length PCB interconnect. Differential signaling reduces sensitivity to common-mode noise, although the actual usable rate still depends on loss, skew, connector behavior, and compliant termination. Use tightly coupled routing, uninterrupted reference planes, and the manufacturer's recommended termination network when laying out the link.
Industrial Control and Data Acquisition
For industrial control cabinets, test systems, and data-acquisition equipment, the DS90LV049TMT's dual 2/2 LVDS arrangement can carry several independent high-speed signals over balanced interconnects. Its 3 V to 3.6 V operating range and industrial-grade ordering designation fit 3.3 V embedded systems, while the differential interface improves noise immunity relative to ordinary single-ended CMOS. Engineers should preserve the LVDS return path, control connector and cable discontinuities, and validate operation at the required data rate under the actual industrial noise environment.
Communications Equipment Interfaces
The DS90LV049TMT can form the physical signaling layer in communications equipment requiring compact, low-power LVDS links above 400 Mbps. Two transmitters can launch balanced data lines while two receivers recover differential signals for downstream digital logic. This arrangement supports compact parallel channels without allocating a separate line-driver package for each direction. The design must account for connector pinout, cable skew, line termination, clocking, and signal-loss budgets, particularly when the equipment uses cables or long internal traces.
Test and Measurement Instrumentation
The DS90LV049TMT is applicable in test and measurement equipment that transfers high-rate control or sample-related data between instrument logic, external fixtures, and processing modules. Its low-power differential interface helps preserve data integrity across internal cables and interconnects exposed to common-mode noise. Two driver and two receiver channels provide useful link flexibility in compact instruments. The implementation should follow the manufacturer application circuit and validate cable loss, skew, grounding, shielding, and termination rather than assuming the device's maximum data rate applies to every cable.
Embedded Processor and Controller Links
The DS90LV049TMT can connect a 3.3 V embedded controller or processor domain to a remote LVDS-enabled subsystem when ordinary CMOS routing is too vulnerable to noise or ground offset. The two channels support concurrent differential transfers, and the flow-through organization integrates naturally into point-to-point interface paths. Designers must define unused input states, control power sequencing, and verify logic thresholds against the CMOS-side specifications. For links crossing cables, use the recommended termination and provide a continuous low-impedance return path to limit common-mode excursions.
Robotics and Automation Controllers
Robotics and industrial automation controllers often distribute high-rate commands and sensor data across modules where motor noise and long interconnects can degrade single-ended signals. The DS90LV049TMT's two LVDS drivers and receivers offer balanced communication above 400 Mbps with low power dissipation. This makes the device relevant for high-speed command, synchronization, and data paths inside compact automation equipment. A robust implementation requires chassis and ground planning, filtered power distribution, controlled cable construction, and signal-integrity validation under motor and switching-noise conditions.
داده‌های مرجع مهندسی برای DS90LV049TMT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | DS90LV049QMT/NOPB |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Package | 16-TSSOP (PW) | 16-TSSOP (PW), same package |
| Data Rate | Greater than 400 Mbps | 400 Mbps |
| Number of Drivers | 2 | 2 |
| Number of Receivers | 2 | 2 |
| Supply Voltage | 3 V to 3.6 V | 3.3 V |
| Protocol | LVDS | LVDS |
| Transceiver Configuration | 2/2 full LVDS transceiver | 2/2 LVDS transceiver |
| Automotive Qualification | Industrial-grade ordering option | Automotive variant |
تفاوت‌های کلیدی
- Higher identified data-rate capability (در مقابلDS90LV049QMT/NOPB)
- Industrial ordering configuration (در مقابلDS90LV049QMT/NOPB)
- Exact dual-channel resource allocation (در مقابلDS90LV049QMT/NOPB)
یادداشت‌های طراحی
Route every LVDS signal as a tightly coupled differential pair with a continuous reference plane. Match the pair's trace length and geometry to the manufacturer's recommended layout, minimize vias and stubs, and keep switching currents away from the receiver inputs. The device's greater-than-400-Mbps capability assumes a controlled interconnect; poor pair symmetry or an interrupted return path can degrade differential noise margin even when the logic-side schematic is correct.
Do not treat all DS90LV049 ordering codes as interchangeable without checking the ordering table. DS90LV049TMT is identified with tube packaging, while DS90LV049TMT/NOPB and related labels can represent different packing, marking, or qualification arrangements. Confirm the exact suffix, package, temperature grade, and automotive requirements before procurement. Electrical PCB design should still follow the manufacturer's pin table for the specific ordering code.
Use the termination and fail-safe arrangement shown in the manufacturer datasheet for the intended topology. A differential receiver interprets the difference between two lines, so both signal conductors and their common-mode environment affect margin. Test eye quality, differential voltage, common-mode voltage, and jitter at the intended rate with realistic cables and connectors. Do not infer guaranteed system performance from the device's maximum advertised signaling rate alone.
Decouple the 3.3 V supply locally and provide a low-impedance return for the high-frequency differential currents. Place the relevant bypass capacitor close to the device supply pins and connect it to the same solid ground reference used by the signal traces. Keep the CMOS-side return current separate from noisy switching loops where practical, and inspect power and ground planes for transients that could disturb the receiver threshold.
اطلاعات انطباق
The DS90LV049TMT is identified as an industrial-grade ordering option. The automotive-specific DS90LV049QMT/NOPB is the relevant family variant for automotive qualification. No compliance conclusion is inferred for the standard TMT ordering option.
