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Analog Devices Inc. AD8146ACPZ-RL
- Part No.:
- AD8146ACPZ-RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 24-WFQFN Exposed Pad, CSP
- Datasheet:
-
AD8146ACPZ-RL.pdf
- Description:
- IC AMP DIFFERENTIAL 24LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,817
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Product details
Overview
AD8146ACPZ-RL from Analog Devices is a triple, fully differential video driver IC with fixed gain of 2, 700 MHz large-signal bandwidth at 2 Vp-p, 3000 V/µs slew rate, and adjustable output common-mode voltage per channel. It drives RGB or YPbPr component video signals over Category 5 UTP cables in KVM and high-resolution video distribution systems.
For engineers reviewing the AD8146ACPZ-RL datasheet, AD8146ACPZ-RL pinout, AD8146ACPZ-RL application, or AD8146ACPZ-RL equivalent, this page delivers verified specifications, validated pin functions, confirmed video transmission use cases, and two technically documented alternative drivers for QXGA/1080p signal integrity design.
Technical Context
The AD8146ACPZ-RL employs dual internal feedback loops-one for differential output voltage control and one for independent common-mode voltage regulation-enabling precise VOCM setting without affecting differential gain. Each of its three amplifiers features matched output stages and on-chip 4 kΩ differential feedback resistors.
It supports single-ended or differential input configurations, delivers −52 dB output balance error at 50 MHz, and includes an output pull-down (OPD) function for line isolation during multiplexing. The device operates from ±5 V or +5 V supplies and maintains stable performance across −40°C to +85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Large-signal bandwidth | 700 MHz at 2 Vp-p output - enables full 1080p/60Hz video transmission with minimal amplitude roll-off. |
| Differential gain | 1.94–2.00 V/V - fixed precision gain ensures consistent signal scaling across all three channels. |
| Slew rate | 3000 V/µs - supports fast edge transitions required for high-definition sync and pixel data integrity. |
| Output balance error | −52 dB at 50 MHz - suppresses even-order harmonics and minimizes EMI in differential UTP links. |
| Quiescent current | 58 mA (±5 V) - low power consumption for triple-channel operation in thermally constrained video enclosures. |
| Supply range | ±5.5 V or +4.5 V to +5.5 V - compatible with standard analog video supply rails and mixed-signal system designs. |
| VOCM bandwidth | 340 MHz - allows high-speed common-mode modulation for sync-on-common-mode encoding schemes. |
Pinout & Package
The AD8146ACPZ-RL is housed in a 24-lead 4 mm × 4 mm LFCSP_WQ package with exposed paddle (GND), requiring solder connection to PCB ground plane for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OPD) | Output pull-down enable | Asserting high disables outputs to −3.8 V for differential multiplexing or cable hot-swap isolation. |
| 3, 4, 15, 16, 22, 23 | Inverting/noninverting inputs (A/B/C) | Three fully independent differential input pairs support RGB or YPbPr signal routing without crosstalk. |
| 6, 7, 9, 10, 12, 13 | Negative/positive outputs (A/B/C) | Complementary outputs drive 100 Ω twisted-pair loads directly; balanced to −52 dB @ 50 MHz. |
| 18, 19, 20 (VOCMC/VOCMB/VOCMA) | Per-channel VOCM control inputs | Each pin sets corresponding amplifier's output common-mode voltage independently (±3 V range). |
| 2, 5, 14, 21 (VS−) | Negative supply rail | Four dedicated VS− pins reduce ground bounce and improve PSRR in high-speed multi-amplifier layout. |
| 8, 11, 17, 24 (VS+) | Positive supply rail | Four VS+ connections ensure uniform supply delivery and minimize inter-channel supply coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Triple independent differential drivers | Three matched amplifiers share no internal signal path - eliminates inter-channel gain/phase mismatch in RGB timing. |
| Adjustable per-output common-mode voltage | VOCMA/VOCMB/VOCMC pins allow independent DC level shifting per channel - essential for multi-standard video interface compatibility. |
| Internal common-mode feedback network | Enables VOCM tracking accuracy of 0.98–1.00 V/V and 340 MHz bandwidth - supports dynamic sync-on-common-mode encoding. |
| Output pull-down (OPD) with sub-µs response | 600 ns assert time and 10 ns deassert time - enables clean switching between video sources on shared UTP infrastructure. |
| High isolation between amplifiers | −86 dB @ 10 MHz - prevents crosstalk-induced color bleeding or timing jitter in multi-channel video systems. |
Applications
| RGB Video Transmission over UTP | KVM Extender Systems |
|---|---|
Use Scenario: Transmitting uncompressed RGBHV signals from a graphics card to remote displays via Cat 5e cable up to 100 m. IC Role / Device Role / Timing Role: Differential driver converting single-ended RGB inputs to balanced outputs while preserving pixel clock integrity and minimizing EMI radiation. Use Value: Enables 1080p60 transmission with <0.1 dB flatness to 200 MHz and −52 dB output balance - critical for color fidelity and reduced ghosting. | Use Scenario: Centralized video switching in data centers where multiple servers share display peripherals via long-haul UTP links. IC Role / Device Role / Timing Role: Triple-channel driver providing isolated, synchronized RGB output paths with OPD-controlled hot-swap capability. Use Value: OPD feature allows seamless source switching without visible screen flicker or sync loss - improves user experience in mission-critical KVM environments. |
| Video Distribution Amplifiers | UXGA/1080p Monitor Interfaces |
Use Scenario: Splitting one high-resolution video source to multiple local monitors using passive differential fanout. IC Role / Device Role / Timing Role: High-drive-strength buffer maintaining signal integrity across parallel 100 Ω loads with minimal skew between R/G/B channels. Use Value: 3000 V/µs slew rate and 700 MHz bandwidth preserve sharp edges in pixel data - prevents blurring and timing misalignment in multi-monitor setups. | Use Scenario: Driving LCD panel inputs in medical imaging or broadcast monitors requiring precise gamma and white-point reproduction. IC Role / Device Role / Timing Role: Final-stage video driver delivering calibrated differential signals with matched gain and phase across all three color channels. Use Value: −52 dB output balance error at 50 MHz ensures <0.2% differential-to-common-mode conversion - eliminates luminance noise and chroma shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple differential driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8147ACPZ-RL | Includes sync-on-common-mode encoding (HSYNC/VSYNC inputs); same gain (2×) and bandwidth (600 MHz @ 2 Vp-p) but no VOCM adjustment. | Designed for embedded sync transmission in RGB video; lacks per-channel VOCM control needed for level-shifting interfaces. | Select AD8147ACPZ-RL only when vertical/horizontal sync embedding into common-mode is required and VOCM flexibility is unnecessary. |
| THS7374IPWPR | Triple 6 dB fixed-gain driver; 100 MHz small-signal bandwidth; no VOCM control or OPD; 3.3 V supply only. | Targeted at lower-resolution CVBS/S-video; insufficient bandwidth for 1080p; incompatible supply and common-mode architecture. | Choose THS7374IPWPR only for cost-sensitive SD/ED video systems where 700 MHz bandwidth and VOCM programmability are not required. |
Compared with AD8146ACPZ-RL, AD8147ACPZ-RL adds sync encoding but removes VOCM adjustability, while THS7374IPWPR offers lower integration, narrower bandwidth, and no common-mode control-making AD8146ACPZ-RL the sole option for high-fidelity, level-shift-capable 1080p UTP transmission.
Availability
AD8146ACPZ-RL is available at Aetrix Electronics and suitable for QXGA video transmission, KVM extender systems, and differential video distribution requiring stable component supply, long-lifecycle support, and traceable sourcing.
Supply support for AD8146ACPZ-RL 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 semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision signal chain applications.
The AD8146ACPZ-RL belongs to the AD814x family of high-speed differential drivers, engineered specifically for wideband component video signal conditioning and transmission over UTP cabling in professional AV and broadcast infrastructure.
FAQ
What is the maximum operating temperature range for the AD8146ACPZ-RL?
The AD8146ACPZ-RL is rated for continuous operation from −40°C to +85°C ambient temperature. This range is validated across all electrical specifications in the datasheet, including gain flatness, output balance, and quiescent current. Thermal derating begins above 85°C ambient, and junction temperature must remain below 150°C under all operating conditions. The exposed paddle must be soldered to a thermally robust ground plane to maintain this rating.
Does the AD8146ACPZ-RL support single-ended input configuration?
Yes, the AD8146ACPZ-RL supports both differential and single-ended inputs per channel. When configured for single-ended input, the noninverting input (+IN) accepts the signal while the inverting input (−IN) is terminated to a reference voltage (typically VOCM). Input resistance is 750 Ω in this mode. The internal differential feedback architecture preserves gain accuracy and common-mode rejection regardless of input configuration.
How does the VOCM control work on the AD8146ACPZ-RL?
The AD8146ACPZ-RL provides three independent VOCM inputs (VOCMA, VOCMB, VOCMC) that directly set the common-mode voltage of each amplifier's differential output pair. Applying a DC voltage to VOCMA forces the average of +OUT A and −OUT A to match that voltage, with 0.98–1.00 V/V gain and 340 MHz bandwidth. This enables independent level shifting per RGB channel without external components or gain degradation.
What is the purpose of the OPD pin on the AD8146ACPZ-RL?
OPD (Output Pull-Down) on the AD8146ACPZ-RL asserts a low-impedance state on all six outputs (±OUT A/B/C), pulling each to −3.8 V when driven high. With 600 ns assert time and 10 ns deassert time, it enables rapid line isolation during differential multiplexing or hot-swap events. This prevents signal contention and reduces EMI during source switching in KVM and video matrix applications.
Can the AD8146ACPZ-RL drive two separate 100 Ω UTP cables simultaneously?
Yes, the AD8146ACPZ-RL can drive two 100 Ω UTP cables per channel using appropriate termination and layout. Each amplifier delivers >±3 V output swing into 200 Ω differential load (i.e., two 100 Ω cables in parallel), and maintains −52 dB balance error at 50 MHz. Application note AN-1112 confirms this configuration for extended-reach video distribution, provided proper PCB impedance control and decoupling are implemented.
AD8146ACPZ-RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 24-WFQFN Exposed Pad, CSP
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Differential
- Output Type:
- Differential
- Number of Circuits:
- 3
- -3db Bandwidth:
- 900 MHz
- Slew Rate:
- 3000V/µs
- Current - Supply:
- 57 mA
- Current - Output / Channel:
- 87 mA
- Voltage - Supply, Single/Dual (±):
- 4.5V ~ 11V, ±2.25V ~ 5.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 24-LFCSP-WQ (4x4)
AD8146ACPZ-RL FAQ
1.How can I place an order for AD8146ACPZ-RL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8146ACPZ-RL 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 AD8146ACPZ-RL reliable?
The price and inventory of AD8146ACPZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8146ACPZ-RL is usually 5 days.
3.What payment methods are accepted for AD8146ACPZ-RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8146ACPZ-RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8146ACPZ-RL?
AD8146ACPZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8146ACPZ-RL 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 AD8146ACPZ-RL?
For technical support, including AD8146ACPZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8146ACPZ-RL requirements.
6.How does Aetrix verify that AD8146ACPZ-RL is sourced from the original manufacturer or authorized distributors?
All AD8146ACPZ-RL 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 AD8146ACPZ-RL meets industry standards.
7.What is the process for return or replacement of AD8146ACPZ-RL?
All AD8146ACPZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with AD8146ACPZ-RL, 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 AD8146ACPZ-RL part is unused and in its original packaging.
Return procedure for AD8146ACPZ-RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD8146ACPZ-RL Tags
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MAX4310EUA+
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MAX4313ESA+
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