MAX9180EXT+T - 400Mbps LVDS Repeater SC-70 | Analog Devices
부품 번호: MAX9180EXT+T ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $3.03 | $3.03 |
| 10 | $2.76 | $27.60 |
| 100 | $2.45 | $245.00 |
| 500 | $2.15 | $1,075.00 |
| 1,000 | $1.92 | $1,920.00 |
MAX9180EXT+T 개요
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.
드롭인 대체품: MAX9180EXT+T — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MAX9118EXK+T
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX9180EXT+T 사양
| 기능 | LVDS Repeater / Buffer / ReDriver |
| 데이터 속도 | 400 Mbps |
| 채널 수 | 1 Channel (1 LVDS input, 1 LVDS output) |
| 공급 전압 | 3.0 V to 3.6 V (3.3 V typical) |
| 공급 전류 | 15 mA |
| Jitter | 100 ps |
| Technology | CMOS |
| 동작 온도 | -40C to +85C |
| 패키지 | SC-70, 6-pin |
| 실장 유형 | Surface Mount |
| Pins | 6 |
| Lead Finish | Lead Free |
| Input Type | LVDS differential |
| 출력 유형 | LVDS differential |
| Typical Applications | Cable and backplane LVDS buffering |
| RoHS 상태 | Compliant |
MAX9180EXT+T sc-70, 6-pin 핀 구성 가이드
MAX9180EXT+T(sc-70, 6-pin 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: MAX9180EXT+T.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MAX9180EXT+T 적합 용도: 6 애플리케이션s: 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.
추천
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.
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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.
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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.
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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.
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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.
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엔지니어링 참조 데이터: MAX9180EXT+T — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MAX9118EXK+T |
|---|---|---|
| Package | SC-70, 6-pin | SC-70 class |
| Brand | Analog Devices (Maxim Integrated) | Analog Devices (Maxim Integrated) |
주요 차별점
- Smallest-in-class footprint for stub minimization (vs MAX9118EXK+T)
- Low power per regenerated channel (vs Discrete LVDS receiver + driver pair)
- Configuration-free operation (vs MAX9118EXK+T)
설계 노트
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.
규정 준수 정보
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.
