MAX9180EXT+T - 400Mbps LVDS Repeater SC-70 | Analog Devices
MPN: MAX9180EXT+T ✓ NakahandaMAX9180EXT+T Ulas
An LVDS (Low-Voltage Differential Signaling) repeater, also called a buffer or redriver, is a signal-conditioning IC in the interface IC family that regenerates differential signals degraded by cable loss, backplane attenuation, or connector reflections. Unlike a transceiver, a repeater takes one LVDS input pair and recreates it as one fresh LVDS output pair, restoring signal amplitude, edge rates, and common-mode levels to LVDS standards.
Key features include 400Mbps throughput for a single channel, low-jitter and low-noise regeneration that extends LVDS reach across cables and backplanes, and the tiny SC-70 package, which is roughly half the size of a SOT23. This tiny footprint allows placement close to a connector, minimizing stub lengths and reflections in multidrop backplane layouts.
The point-to-point connection between the MAX9180 output and the destination IC, such as an FPGA or ASIC, restores clean LVDS edges without the noise and skew accumulated on the input side. CMOS technology keeps power consumption low, which matters when multiple repeaters populate a backplane or display interconnect.
Typical applications include buffering LVDS signals over long cables or noisy environments, extending backplane signal reach between cards, cleaning up LVDS links feeding FPGAs or ASICs in communications and industrial equipment, and minimizing stub lengths in multidrop topologies such as clock or data distribution.
Design consideration: place the repeater as close as possible to the damaged or lossy interconnect segment, and keep the input and output differential pairs tightly coupled with matched 100-ohm differential impedance to preserve the low-jitter benefit.
This page synthesizes distributor pricing, drop-in alternatives, practical design notes, and AEO-optimized Q&A not found in a single datasheet, making it a one-stop engineering reference for the MAX9180EXT+T.
Mga alternatibo na pwedeng ilagay na MAX9180EXT+T — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
MAX9118EXK+T
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
MAX9180EXT+T Mga Spesipikasyon
| Fungsi | LVDS Repeater / Buffer / ReDriver |
| Rate ng Data | 400 Mbps |
| Mga Channels | 1 Channel (1 LVDS input, 1 LVDS output) |
| Volte ng Pagbibigay | 3.0 V to 3.6 V (3.3 V typical) |
| Kuru-kuryente ng Pagbibigay | 15 mA |
| Jitter | 100 ps |
| Technology | CMOS |
| Temperature na Operasyon | -40C to +85C |
| Packhaging | SC-70, 6-pin |
| Uri ng Pagpapasok | Surface Mount |
| Pins | 6 |
| Lead Finish | Lead Free |
| Input Type | LVDS differential |
| Type ng Output | LVDS differential |
| Typical Applications | Cable and backplane LVDS buffering |
| Tindminan RoHS | Compliant |
Gabay sa Pin Configuration ng MAX9180EXT+T sc-70, 6-pin
Pin configuration para sa MAX9180EXT+T (sc-70, 6-pin package). Ang pagnunumero ng pin, mga function, at connection diagram ay tinukoy sa datasheet ng manufacturer. Sumangguni dito para sa eksaktong footprint at mga alituntunin sa soldering.
Wala ng detalyadong pinout data na magagamit para sa MAX9180EXT+T.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
MAX9180EXT+T ay nararapat para sa 6 aplikasyons: LVDS Cable Buffering, Backplane Signal Extension, FPGA/ASIC Interface Cleanup, Industrial Automation Links, Clock Distribution Over Differential Pairs, Display and Camera Link Interconnects.
LVDS Cable Buffering
LVDS signals attenuate and accumulate jitter as they travel through shielded twisted-pair cables. The MAX9180EXT+T, with its 400Mbps throughput and low-jitter, low-noise regeneration, accepts the degraded LVDS pair at the cable end and reproduces a clean LVDS output for the receiving IC. Placed in the 6-pin SC-70 directly at the connector, the repeater's tiny footprint minimizes the input stub and its 15 mA supply current suits bus-powered or densely populated designs. The result is extended link reach without replacing the cable plant or upgrading to higher-cost serdes solutions.
Inirekomenda
Backplane Signal Extension
In card-cage backplanes, LVDS links suffer from connector insertion loss and via reflections that close the eye at 400Mbps. The MAX9180EXT+T regenerates the LVDS signal mid-path, restoring amplitude, edge rate, and common-mode to full LVDS levels. According to the datasheet, the SC-70 package (half the size of a SOT23) allows placement close to the backplane connector, minimizing stub lengths in multidrop applications. The CMOS core keeps per-channel power near 50 mW (3.3V x 15 mA), so multiple repeaters per shelf stay within typical backplane power budgets.
Inirekomenda
FPGA/ASIC Interface Cleanup
The datasheet specifically recommends a point-to-point connection between the MAX9180 output and the destination FPGA or ASIC. After long traces or a noisy enclosure, the repeater guarantees LVDS-compliant input levels to the FPGA bank, protecting timing margin at 400Mbps. Designers place the SC-70 repeater beside the FPGA, feeding the regenerated pair into dedicated LVDS receivers. Because the device needs no configuration registers, bring-up is immediate, and the -40C to +85C industrial range covers server, telecom, and factory deployments alike.
Inirekomenda
Industrial Automation Links
Factory networks and machine-vision cabling routinely run LVDS-class differential signals past motor drives and switching loads, injecting noise into the pair. The MAX9180EXT+T's low-noise regeneration rejects accumulated common-mode disturbance and delivers a fresh LVDS output with 100 ps-class jitter, preserving data integrity at 400Mbps across the -40C to +85C industrial temperature range. Its 3.0V to 3.6V operation connects directly to standard 3.3V PLC rails, and the lead-free SC-70 package supports both RoHS compliance requirements and automated SMT assembly on control boards.
Inirekomenda
Clock Distribution Over Differential Pairs
Distributing a differential LVDS clock across a chassis adds skew and jitter with every connector. Because the MAX9180EXT+T regenerates edges rather than merely amplifying, it resets accumulated rise-time degradation, delivering a clean clock to downstream PLLs and retimers. The single-channel, single-supply (3.3V, 15 mA) design allows one repeater per clock branch with minimal board area in the 6-pin SC-70. Placing repeaters close to each destination, per the datasheet's stub-minimization guidance, equalizes flight times and keeps deterministic jitter well inside PLL tracking bandwidth at 400Mbps-class rates.
Inirekomenda
Display and Camera Link Interconnects
Flat-panel display and industrial camera LVDS links carry high-rate serial pixel data through hinges and articulating arms where flexing cables degrade the eye diagram. The MAX9180EXT+T inserted at the receive end regenerates the LVDS pair, recovering full amplitude and edge speed for the display driver or frame grabber. Its 400Mbps capacity matches typical single-pair pixel/clock lanes, and the 15 mA draw suits portable or thermally constrained display electronics. The 2 mm-scale SC-70 fits inside hinge-side PCB keepouts where larger SOT23 repeaters cannot be placed.
Inirekomenda
Impormasyon ng Talumpati sa Engineering for MAX9180EXT+T — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | MAX9118EXK+T |
|---|---|---|
| Package | SC-70, 6-pin | SC-70 class |
| Brand | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) |
Pangunahing mga Pagkakaiba
- Smallest-in-class footprint for stub minimization (kumpara saMAX9118EXK+T)
- Low power per regenerated channel (kumpara saDiscrete LVDS receiver + driver pair)
- Configuration-free operation (kumpara saMAX9118EXK+T)
Talaan ng Disenyo
Per the MAX9180 datasheet, place the SC-70 repeater as close as possible to the connector or the lossy interconnect segment to minimize stub lengths and reflections. Route input and output differential pairs at 100-ohm differential impedance with tight intra-pair coupling, and keep the input pair physically separated from the output pair to avoid crosstalk re-contaminating the regenerated signal.
The MAX9180EXT+T runs from a 3.0V to 3.6V rail drawing approximately 15 mA. Decouple VCC with a 0.1uF ceramic capacitor placed within 2 mm of the pin, plus a bulk 10uF capacitor per board region. Because LVDS output edges depend on a quiet supply, avoid sharing the repeater's VCC trace with switching-regulator nodes; a small ferrite bead in series with VCC is a low-cost way to isolate high-frequency supply noise.
Do not treat the MAX9180 as a level translator: it expects standard LVDS input levels and outputs standard LVDS levels - it is not compatible with PCIe, CML, or sub-LVDS signal swings without proper interface circuits. Also confirm orientation before assembly: the 6-pin SC-70 pin-1 marker is easily obscured, and swapping RIN/ROUT pairs will stall the link. Verify maximum data rate at temperature extremes in margin-critical designs.
Impormasyon ng Pagsunod sa Kautusan
Digchip specification listing identifies the package as SC-70, LEAD FREE, 6 PIN. The Maxim '+' suffix denotes lead-free product; REACH and halogen-free status should be confirmed via the latest certificate from Analog Devices.
