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Analog Devices Inc. AD8124ACPZ-R7
- Part No.:
- AD8124ACPZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Processing
- Package:
- 40-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD8124ACPZ-R7.pdf
- Description:
- IC VIDEO RECEIVER 40LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,244
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Product details
Overview
AD8124ACPZ-R7 from Analog Devices is a triple-channel, high-speed differential video receiver and adaptive equalizer designed for RGB/YPbPr signal recovery over UTP or coaxial cables up to 200 meters. It delivers 37 dB peak gain at 100 MHz, 8 ns rise/fall time with 2 V step at 200 m Cat-5, and supports UXGA+ resolutions in KVM and digital signage systems.
For engineers reviewing the AD8124ACPZ-R7 datasheet, AD8124ACPZ-R7 pinout, AD8124ACPZ-R7 application, or AD8124ACPZ-R7 equivalent, key selection considerations include cable-length-adjustable peaking (VPEAK), broadband gain control (VGAIN), pole location tuning (VPOLE), DC output offset adjustment (VOFFSET), and dual on-chip comparators for sync extraction in common-mode encoded video links.
Technical Context
The AD8124ACPZ-R7 implements a unity-gain, three-channel analog equalization architecture that sums multiple gain stages to approximate the inverse frequency response of lossy transmission media. Its differential inputs feature 3.7 MΩ differential and 4.4 MΩ common-mode resistance, enabling direct interface with UTP or 75 Ω coax without external termination.
Control is managed via four voltage-input pins: VPEAK adjusts high-frequency peaking to counteract skin-effect loss; VGAIN sets flat-band gain for low-frequency cable attenuation; VPOLE shifts equalizer pole locations to match cable gauge/type variations; VOFFSET provides ±3.75 V-referenced DC output offset trimming with 1 V/V gain.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Rise/Fall Time | 8 ns with 2 V step at 200 m Cat-5 - ensures minimal edge distortion for HD/UXGA pixel clocks. |
| −3 dB Bandwidth | 52 MHz at 200 m Cat-5 - maintains full NTSC/PAL/HD video bandwidth after equalization. |
| Peak Gain | 37 dB at 100 MHz - compensates high-frequency cable loss while preserving SNR. |
| Output Offset Voltage | 24 mV (typ) - enables precise DC-coupled video level alignment without external calibration. |
| Input Resistance | 3.7 MΩ differential - eliminates need for external termination resistors in UTP applications. |
| Comparator Propagation Delay | 10.0–17.5 ns - supports reliable sync pulse extraction from RGB common-mode signals. |
| Operating Temp Range | −40°C to +85°C - qualified for industrial and commercial embedded video equipment. |
Pinout & Package
AD8124ACPZ-R7 is housed in a 40-lead, 6 mm × 6 mm LFCSP package with exposed thermal pad requiring solder connection to PCB ground plane for θJA = 29°C/W (4-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +INR / −INR +ING / −ING +INB / −INB |
Differential video inputs (Red/Green/Blue) | High-impedance (3.7 MΩ diff) inputs accept ±3 V common-mode range; enable direct UTP or coax interface. |
| OUTR / OUTG / OUTB | Differential video outputs | Low-impedance outputs drive 150 Ω loads; support ±3.75 V swing for standard video levels. |
| VPEAK / VGAIN / VPOLE / VOFFSET | Analog control voltage inputs | Voltage-programmable equalization: VPEAK tunes HF peaking, VGAIN sets flat gain, VPOLE shifts poles, VOFFSET trims DC output. |
| +INCMP1 / −INCMP1 +INCMP2 / −INCMP2 |
Comparator inputs | Enable sync pulse extraction from RGB common-mode voltages; built-in 70 mV hysteresis rejects noise. |
| OUTCMP1 / OUTCMP2 | Comparator outputs | Sub-1 Ω output impedance supports source-terminated 50 Ω/75 Ω sync distribution without buffers. |
| PD | Power-down enable | Logic-high (>1.1 V) disables all channels and reduces supply current to <1.1 µA (±5 V). |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable 200 m cable equalization | Three independent analog controls (VPEAK/VGAIN/VPOLE) allow real-time optimization for UTP or coaxial cable types and lengths. |
| Integrated sync extraction | Dual comparators with hysteresis extract HSYNC/VSYNC directly from RGB common-mode voltages-no external logic required. |
| DC output offset adjust | VOFFSET pin provides 1 V/V gain to shift output DC level across full swing range-critical for dc-coupled video systems. |
| Low-noise, short-to-medium range optimization | Internal logic minimizes noise penalty at <100 m by limiting excess gain-preserves SNR without manual gain staging. |
| Robust input protection | ±3 V input voltage range and 4 V p-p max differential swing tolerate driver mismatches and ground shifts in long-cable installations. |
Applications
| Keyboard-Video-Mouse (KVM) | Digital Signage |
|---|---|
|
Use Scenario: Extending RGBHV signals from host PC to remote console over 100–200 m Cat-5e UTP cabling in data centers. IC Role / Device Role / Timing Role: Triple differential receiver performing adaptive cable equalization and common-mode sync extraction. Use Value: Eliminates need for active repeaters or external sync decoders; preserves UXGA timing integrity with <8 ns edge fidelity. |
Use Scenario: Driving large-format displays from centralized media players using unshielded twisted-pair infrastructure. IC Role / Device Role / Timing Role: High-fidelity RGB video equalizer recovering full-bandwidth content over 150 m UTP runs. Use Value: Maintains >52 MHz −3 dB bandwidth at max cable length-enables crisp 1080p/60 video without artifacts. |
| Professional Video Distribution | Security Video Systems |
|
Use Scenario: Centralized RGB routing in broadcast trucks or control rooms with variable cable lengths per display node. IC Role / Device Role / Timing Role: Programmable equalizer with VPEAK/VGAIN/VPOLE allowing field calibration per link. Use Value: Single BOM part supports 50–200 m deployments; avoids stocking multiple fixed-gain receivers. |
Use Scenario: Long-haul analog HD video transmission from PTZ cameras to DVRs over existing building UTP wiring. IC Role / Device Role / Timing Role: Differential receiver rejecting common-mode noise while recovering sync pulses from RGB lines. Use Value: 70 mV comparator hysteresis prevents false sync triggers in electrically noisy surveillance environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple differential video equalizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8129ARZ | Single-channel, no VPOLE/VGAIN adjustment; fixed 10 dB peaking; no comparators. | Limited to point-to-point short-run links (<50 m); lacks sync extraction and multi-cable adaptability. | Select when only one channel is needed and cable length is fixed and short. |
| LMH0384SQ/NOPB | SDI-specific reclocker with integrated CDR; supports SMPTE 292M; no analog equalization controls. | Designed for serial digital video (HD-SDI), not analog RGB/YPbPr; requires clock recovery, not baseband equalization. | Select for digital video transport where jitter cleanup and protocol compliance are mandatory. |
Compared with AD8124ACPZ-R7, AD8129ARZ offers lower channel count and no programmable pole/gain tuning, making it unsuitable for adaptive long-cable analog video; LMH0384SQ/NOPB serves a fundamentally different domain (digital serial transport vs. analog baseband equalization), requiring redesign of signal path and power delivery.
Availability
AD8124ACPZ-R7 is available at Aetrix Electronics and suitable for KVM extension, digital signage, and professional video distribution requiring stable component supply, long-cable analog video fidelity, and field-adjustable equalization.
Supply support for AD8124ACPZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD8124ACPZ-R7 belongs to Analog Devices' high-speed video signal conditioning product line, engineered specifically for analog RGB/YPbPr equalization over lossy copper media in professional and industrial video infrastructure.
FAQ
What is the maximum supported cable length for AD8124ACPZ-R7?
The AD8124ACPZ-R7 supports up to 200 meters of Category-5 UTP cable or equivalent coaxial cable when configured with recommended VPEAK, VGAIN, and VPOLE settings. At this length, it maintains 52 MHz −3 dB bandwidth and 8 ns rise/fall time with 2 V step input, enabling full UXGA resolution video transmission without repeaters.
How does AD8124ACPZ-R7 perform sync pulse extraction?
The AD8124ACPZ-R7 uses two on-chip comparators with 70 mV hysteresis to extract horizontal and vertical sync pulses from the common-mode voltage of RGB signals. When paired with compatible drivers like AD8134 or AD8148, it decodes sync-on-common-mode encoding without external components-OUTCMP1 and OUTCMP2 deliver clean, source-terminated sync outputs.
Can AD8124ACPZ-R7 be used with coaxial cable?
Yes, AD8124ACPZ-R7 supports 75 Ω coaxial cable via its VPOLE-adjustable equalization architecture. Figure 17 in the datasheet provides recommended VPEAK/VPOLE/VGAIN settings for coax, and Figure 23 shows how to derive VPOLE and VGAIN from VPEAK using op-amp circuits optimized for 75 Ω video systems.
What is the function of the VOFFSET pin on AD8124ACPZ-R7?
The VOFFSET pin on AD8124ACPZ-R7 provides direct DC output level control with 1 V/V gain. Applying a voltage between 0 V and the output swing limits (±3.75 V) shifts the output DC bias-enabling precise alignment in DC-coupled video chains without external level-shifting circuitry.
Does AD8124ACPZ-R7 support power-down mode?
Yes, AD8124ACPZ-R7 features a dedicated PD pin that places the device in ultra-low-power state when driven high (>1.1 V). In powered-down mode, positive and negative supply currents drop to 1.1 µA and 0.7 µA respectively, enabling energy-efficient operation in systems with dynamic video link activation.
AD8124ACPZ-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 40-WFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Receiver
- Applications:
- Consumer Video
- Standards:
- -
- Control Interface:
- Logic
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 40-LFCSP-WQ (6x6)
AD8124ACPZ-R7 FAQ
1.How can I place an order for AD8124ACPZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8124ACPZ-R7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD8124ACPZ-R7 reliable?
The price and inventory of AD8124ACPZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8124ACPZ-R7 is usually 5 days.
3.What payment methods are accepted for AD8124ACPZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8124ACPZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8124ACPZ-R7?
AD8124ACPZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8124ACPZ-R7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD8124ACPZ-R7?
For technical support, including AD8124ACPZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8124ACPZ-R7 requirements.
6.How does Aetrix verify that AD8124ACPZ-R7 is sourced from the original manufacturer or authorized distributors?
All AD8124ACPZ-R7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD8124ACPZ-R7 meets industry standards.
7.What is the process for return or replacement of AD8124ACPZ-R7?
All AD8124ACPZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8124ACPZ-R7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD8124ACPZ-R7 part is unused and in its original packaging.
Return procedure for AD8124ACPZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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