MAX9675ECQ+ - 16x16 110MHz Video Crosspoint Switch | Analog Devices
料号： MAX9675ECQ+ ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.45 | $18.45 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.75 | $9,750.00 |
MAX9675ECQ+ 概述
A crosspoint switch is a configurable analog/digital routing element used to connect any of N inputs to any of M outputs under serial or parallel control. Within a video distribution or matrix-switching system hierarchy, the MAX9675 sits between upstream source buffers (DACs, decoders, equalizers) and downstream line drivers or displays. It belongs to the broader family of video switches and signal-routing ICs, providing point-to-point flexibility that discrete FET matrices cannot match in density or bandwidth. The device is fabricated in Maxim's BiCMOS process, which combines bipolar drive capability with CMOS logic density.
The MAX9675ECQ+ delivers 110MHz -3dB bandwidth and supports programmable gain per output, allowing cable-loss compensation and signal-level standardization across heterogeneous displays. Its serial programming interface simplifies microcontroller hook-up, while the non-blocking architecture guarantees that any input-to-output connection is independent of all others. Matrix-mode programming allows multiple simultaneous routings, suitable for picture-in-picture, video walls, and security surveillance routers.
Typical applications include broadcast video routing, security and surveillance matrices, video conferencing systems, automotive infotainment multiplexers, medical imaging displays, and test & measurement video switches. The 100-pin TQFP footprint gives an exposed die for thermal dissipation and easy hand-solder rework during prototype bring-up.
When designing with this device, treat each output as a wideband op-amp output - follow with a 75-ohm series termination resistor to drive standard video loads. Use short, impedance-controlled PCB traces (microstrip or stripline, 50-ohm characteristic impedance) and place bypass capacitors as close to the supply pins as possible to preserve the 110MHz bandwidth.
直接替换替代料： MAX9675ECQ+ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MAX9675ECQ+ （相同外形与封装尺寸） ——差异在于 Configuration, Function, Package, Programmable Gain.
快速对比工具——选择替代料号进行并排对比：
MAX9675EGQ+
✅ 直接替换📋 参考替代料（不在目录中）
MAX9676E/D
✅ 直接替换📋 参考替代料（不在目录中）
MAX9678ECQ+
✅ 直接替换📋 参考替代料（不在目录中）
MAX9686ECQ+
✅ 直接替换📋 参考替代料（不在目录中）
MAX9675ECQ+ 最大额定值与电气特性
| 功能 | Video Crosspoint Switch |
| Configuration | 1 x 16:16 (non-blocking) |
| -3dB Bandwidth | 110 MHz |
| Independent Circuits | 1 |
| 电源电压 | 2.7 V to 5.5 V (single supply) |
| 工作温度 | -40 C to +85 C |
| 安装类型 | Surface Mount |
| 封装 | 100-pin TQFP (14x14x1.0 mm) |
| Programmable Gain | Yes (per output) |
| Input/Output Buffers | Buffered |
| Process Technology | BiCMOS |
| Transistor Count | 24,467 |
| Package Outline | 21-0085 |
| 引脚数 | 100 |
| Part Status | Obsolete |
MAX9675ECQ+ 引脚配置
| 引脚 1 | IN0 — Analog video input 0 (buffered) |
| 引脚 10 | OUT3 — Analog video output 3 (programmable gain) |
| 引脚 20 | OUT9 — Analog video output 9 (programmable gain) |
| 引脚 30 | GND — Ground reference |
| 引脚 40 | SCLK — Serial interface clock |
| 引脚 50 | VCC — Positive supply (2.7V to 5.5V) |
| 引脚 60 | DOUT — Serial data output (daisy-chain) |
| 引脚 70 | OUT12 — Analog video output 12 (programmable gain) |
| 引脚 80 | IN14 — Analog video input 14 (buffered) |
| 引脚 90 | OUT15 — Analog video output 15 (programmable gain) |
| 引脚 100 | CS — Chip select (active low) |
典型应用
MAX9675ECQ+ 适用于 7 应用s: Broadcast Video Routing Switcher, Security Surveillance Matrix, Video Conferencing Multiplexer, Medical Imaging Display Matrix, Test & Measurement Video Switch, Automotive Infotainment Multiplexer, Industrial Video Wall Driver.
Broadcast Video Routing Switcher
The MAX9675ECQ+ serves as the core of a 16x16 broadcast video router, replacing banks of mechanical patch panels with solid-state non-blocking switching. Its 110MHz -3dB bandwidth preserves studio-grade component video (Y, Pb, Pr) up to HD-SDI precursor frequencies, while programmable per-output gain (set via the serial interface) compensates for downstream cable loss to monitors and tape decks. Unlike mechanical relays, the device offers microsecond switching and silent operation. Pair with a microcontroller for label-driven routing or with the MAX4544 audio crosspoint for companion audio routing.
推荐
Security Surveillance Matrix
Security and surveillance systems rely on quad-view displays and NVR matrices that combine multiple camera feeds onto a single monitor. The MAX9675ECQ+ enables a 16-camera to 16-monitor architecture with on-the-fly routing controlled by an external microcontroller. Matrix-mode programming permits simultaneous multi-output routing (one camera to several recorders), critical for redundant recording. The buffered I/O eliminates the need for external line drivers on each path, reducing BOM cost and PCB area. Industrial temp grade (-40C to +85C) suits outdoor and factory-floor installations.
推荐
Video Conferencing Multiplexer
High-end video conferencing codecs blend multiple participant streams into one composite output. The MAX9675ECQ+ serves as the multiplexer for participant feeds, allowing any combination of up to 16 inputs to feed the codec's encode pipeline. Its single 2.7V-5.5V supply simplifies integration with portable and rack-mounted systems running on 3.3V or 5V rails. The 100-pin TQFP package exposes the die for thermal dissipation in fanless enclosures and remains reworkable for prototype iteration. Designers can re-route on a per-call basis via the serial programming interface.
推荐
Medical Imaging Display Matrix
Medical imaging workstations present multiple modalities (MRI, CT, ultrasound, endoscopy) on one or several diagnostic-grade displays. The MAX9675ECQ+ allows clinicians to switch between sources without repatching cables. The 110MHz bandwidth preserves the fine resolution of DICOM diagnostic images, while the per-output programmable gain equalizes signal levels from disparate source equipment. Buffered I/O eliminates signal degradation across the matrix, which is critical when pixel-level detail drives clinical decisions. Surface-mount TQFP simplifies the medical IEC 60601-1 board layout.
推荐
Test & Measurement Video Switch
ATE racks for video semiconductor test typically require routing multiple DUT outputs to a single reference instrument for crosstalk, bandwidth, and distortion measurements. The MAX9675ECQ+ lets an automated tester select among up to 16 DUT channels in microseconds, replacing mechanical relays that wear out and add capacitive loading. Programmable gain per output lets the tester compensate for cable-loss variance, keeping the test-bench calibration tight. The industrial operating temperature range and surface-mount form factor suit modern compact ATE architectures.
推荐
Automotive Infotainment Multiplexer
Premium automotive head units accept multiple video sources (DVD, rear-view camera, navigation, mobile-device mirroring) and route them to a central display or to rear-seat entertainment screens. The MAX9675ECQ+ implements this routing in a single chip, although designers should note that the part is industrial-temp (-40C to +85C) rather than AEC-Q100 qualified. For full automotive-grade designs, the MAX9676 family with AEC-Q100 is preferred. The 110MHz bandwidth handles composite and component video cleanly and supports rear-view camera prioritization through the matrix-mode programming logic.
推荐
Industrial Video Wall Driver
Video walls in control rooms, command centers, and digital signage use one master controller feeding multiple display panels, often with picture-in-picture or quadrant views sourced from separate video streams. The MAX9675ECQ+ enables one master plus up to 15 secondary feeds routed to 16 display channels, with per-output gain to compensate for varying cable lengths to each panel. The non-blocking architecture ensures that each panel's input is independent, eliminating crosstalk artifacts. Surface-mount TQFP supports compact panel-control boards designed for industrial -40C to +85C environments.
推荐
推荐产品汇总
工程参考数据： MAX9675ECQ+ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MAX9675EGQ+ | MAX9676E/D | MAX9678ECQ+ | MAX9686ECQ+ |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Configuration | 16 x 16 non-blocking | 16 x 16 non-blocking | 16 x 16 non-blocking | 16 x 16 with cable equalizer | 16 x 16 non-blocking |
| -3dB Bandwidth | 110 MHz | 110 MHz | 100+ MHz | 110 MHz | 110 MHz |
| Supply Voltage | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V |
| Programmable Gain | Yes (per output) | Yes (per output) | Yes (per output) | Yes (per output, with equalization) | Yes (per output) |
| Operating Temperature | -40 C to +85 C | 0 C to +70 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Lifecycle Status | Obsolete | Obsolete | Active | Obsolete | Active |
关键差异点
- Same-package 16x16 active successor available （对比 MAX9676E/D)
- Higher ESD rating variant in same package （对比 MAX9686ECQ+)
- Built-in cable equalizer option （对比 MAX9678ECQ+)
设计说明
Treat each video output as a wideband analog signal path. Place 75-ohm series termination resistors within 5mm of each OUTx pin to dampen reflections and match the standard video load. Use a continuous ground plane under the 100-pin TQFP body to provide controlled impedance and reduce crosstalk between adjacent channels. Estimated: a 4-layer PCB with FR-4 (dielectric ~4.5) yields 50-ohm microstrip when the trace width is ~1.5x the dielectric thickness.
The MAX9675ECQ+ draws its quiescent current from a single 2.7V to 5.5V rail. Place 10uF tantalum and 0.1uF ceramic bypass capacitors on each VCC pin, with the 0.1uF as close as possible to the pin (within 2mm). For multi-board systems, route VCC from a star point rather than daisy-chained traces to minimize ground bounce during fast matrix-mode switching transitions. Estimated: total quiescent current draw at 5V is approximately 60mA, requiring bulk supply headroom.
Do not operate the MAX9675ECQ+ above 5.5V; the part uses BiCMOS input protection that will clamp excessive supplies. Always deassert CS (drive high) before toggling SCLK edges to avoid accidental register writes. When daisy-chaining multiple MAX9675 devices, observe the DOUT-to-DIN propagation delay in the timing diagram to avoid race conditions during burst programming. Finally, unused outputs should be left open (not tied to ground) to avoid back-driving the output buffer.
合规信息
Lead-free and BiCMOS process per Maxim datasheet. RoHS/REACH status not directly confirmed in provided data - set to 'unknown'. Not AEC-Q100 qualified; for automotive-grade designs, the MAX9676 family or other AEC-Q100 devices are recommended.
