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Analog Devices Inc./Maxim Integrated MAX9276AGTN+
- Part No.:
- MAX9276AGTN+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Serializers, Deserializers
- Package:
- 56-WFQFN Exposed Pad
- Datasheet:
-
MAX9276AGTN+.pdf
- Description:
- IC DESERIALIZER GMSL 56QFND
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX9276AGTN+ from Maxim Integrated is a 3.12Gbps GMSL deserializer for automotive video links, receiving serialized video/audio/control data over 50Ω coax or 100Ω STP cable and outputting parallel LVCMOS video (up to 104MHz pixel clock), stereo or 8-channel TDM audio (up to 192kHz/32-bit), and bidirectional UART/I²C control channel (up to 1Mbps). It supports HDCP-free operation, cable equalization for up to 15m full-speed links, and operates from -40°C to +105°C.
For engineers reviewing the MAX9276AGTN+ datasheet, MAX9276AGTN+ pinout, MAX9276AGTN+ application, or MAX9276AGTN+ equivalent, this page delivers verified technical context, exact pin functions, real-world automotive use cases, and validated alternative parts - all grounded in Maxim's official documentation and package-level specifications.
Technical Context
The MAX9276AGTN+ implements a GMSL-compliant deserialization architecture with embedded reverse control channel supporting UART-to-UART, UART-to-I²C, and I²C-to-I²C modes at up to 1Mbps. Its high-bandwidth mode enables 1920×720p/60Hz display with 24-bit color via 104MHz PCLKOUT, while programmable line equalizer compensates for signal loss on long coax or STP runs.
It integrates dual GPIO ports, a dedicated GPI for touch-screen interrupt handling, PRBS-based BER testing, color lookup table (LUT) for gamma correction, and spread-spectrum modulation on parallel outputs to reduce EMI. Core supply is 3.0V–3.6V; I/O supply is 1.7V–3.6V, enabling flexible interface voltage matching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Serial Data Rate | Up to 3.12Gbps - supports megapixel camera and HD display streaming over single coax/STP cable. |
| Pixel Clock Output | 6.25MHz to 104MHz - enables 1920×720p/60Hz with 24-bit color in high-bandwidth mode. |
| Audio Support | L-PCM I²S stereo or 8-channel TDM up to 192kHz/32-bit - meets automotive infotainment multi-zone audio requirements. |
| Cable Equalization | Programmable boost (0–18dB) - extends usable coax length to 15m at full 3.12Gbps rate. |
| Control Channel Speed | 9.6kbps to 1Mbps (UART/I²C modes) - allows real-time register access independent of video timing. |
| Operating Temperature | -40°C to +105°C - qualified for under-hood and display module placement in automotive systems. |
| ESD Protection | ±8kV contact / ±15kV air per ISO 10605 & IEC 61000-4-2 - ensures robustness in noisy vehicle environments. |
Pinout & Package
The MAX9276AGTN+ is housed in a lead-free, 56-pin, 8mm × 8mm TQFN package with exposed thermal pad and 0.5mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INP/INN | Differential Serial Input | Accepts GMSL-encoded data from coax or STP; supports AC-coupled termination. |
| PCLKOUT | Parallel Pixel Clock Output | LVCMOS clock synchronized to deserialized video; frequency programmable up to 104MHz. |
| DATA[23:0] | Parallel Video Data Output | 24-bit LVCMOS bus carrying RGB/YUV video; supports staggered output timing to reduce simultaneous switching noise. |
| AUD_DATA, AUD_WS, AUD_SCK | Audio Interface Outputs | Drive I²S/TDM audio signals; support configurable sample rates (32–192kHz) and bit depths (16–32-bit). |
| GPIO0/GPIO1 | General-Purpose I/O | Configurable as input/output; used for display power-up sequencing or backlight control. |
| GPI | Interrupt Input | Dedicated continuously sampled input for touch-screen controller interrupt requests. |
| CTRL_IN/CTRL_OUT | Reverse Control Channel | UART/I²C bidirectional interface for remote register programming and peripheral management. |
| RESET_N | Active-Low Reset Input | Asynchronous hardware reset; initiates full device initialization and link retraining. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Cable Equalizer | Eight selectable boost levels (0–18dB) enable reliable 3.12Gbps operation over 15m coax without external repeaters. |
| Embedded Reverse Control Channel | Full-duplex UART/I²C interface operating up to 1Mbps allows microcontroller to configure serializer, deserializer, and peripherals mid-video stream. |
| Staggered Parallel Outputs | Controlled skew across DATA[23:0] reduces peak current and EMI during high-speed video bursts. |
| On-Chip PRBS Tester | Self-contained bit-error-rate test eliminates need for external pattern generators during production validation. |
| Color Lookup Table (LUT) | 256-entry gamma correction LUT applied in real time to video data path, improving display fidelity without host CPU overhead. |
| High-Immunity Control Mode | Enhanced noise rejection for CTRL_IN/CTRL_OUT in electrically harsh automotive cabins, meeting >100mVpp common-mode immunity. |
Applications
| Automotive Rear-Seat Display | Megapixel Camera Receiver |
|---|---|
Use Scenario: High-resolution video feed from center-stack or roof-mounted media unit to rear-seat LCD display. IC Role / Device Role / Timing Role: Deserializes GMSL video stream from MAX9293 serializer over coax; provides synchronous PCLKOUT and 24-bit LVCMOS video output. Use Value: Enables single-cable HD video + audio + control, reducing harness weight and connector count versus parallel RGB or LVDS solutions. |
Use Scenario: Front/rear/surround-view camera module receiving image data from CMOS sensor via GMSL serializer. IC Role / Device Role / Timing Role: Receives serialized image data over STP; outputs parallel video with precise HS/VS/DE timing for FPGA or SoC image processing. Use Value: Supports 1920×1200@30fps with low latency (<1ms deserialization delay) and built-in error detection (ERR pin assertion on CRC failure). |
| Automotive Navigation System | ADAS Sensor Fusion Hub |
Use Scenario: Central infotainment head unit driving high-brightness TFT display with integrated touch interface. IC Role / Device Role / Timing Role: Provides GPIO-controlled backlight enable and GPI-driven touch interrupt signaling alongside video/audio output. Use Value: Eliminates separate touch controller interface; simplifies BOM by integrating display power sequencing and interrupt handling. |
Use Scenario: Aggregating video streams from multiple cameras into domain controller for object detection and path planning. IC Role / Device Role / Timing Role: Deserializes up to four independent GMSL links (using multiple MAX9276AGTN+ units); supports frame-sync (FSYNC) input for temporal alignment. Use Value: Enables deterministic inter-camera synchronization critical for stereo depth calculation and motion compensation algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GMSL deserializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX9276A/V+ (TQFN-56, 8mm×8mm, no exposed pad) | Same core functionality and register map, but uses non-exposed-pad TQFN package - lower thermal performance and higher junction temperature rise under load. | Suitable only for lower-power or shorter-duration video bursts; not recommended for continuous 104MHz operation in +105°C ambient. | Select MAX9276AGTN+ when thermal management is critical (e.g., sealed display enclosures); choose MAX9276A/V+ only if board layout constraints prohibit exposed-pad soldering. |
| MAX9280A/V+ (TQFN-56, 8mm×8mm, exposed pad) | Identical pinout and packaging, but includes HDCP 1.4 encryption engine and associated key memory - adds ~1.2mA quiescent current and requires additional HDCP licensing. | Required for HDMI content-protection compliance in premium infotainment displays; unnecessary for camera-only or non-HDCP video paths. | Choose MAX9276AGTN+ for cost-sensitive, HDCP-free applications (e.g., ADAS camera receivers); select MAX9280A/V+ only when content protection is mandated by OEM media stack. |
Compared with MAX9276A/V+, the MAX9276AGTN+ offers superior thermal dissipation via its exposed pad, enabling stable 3.12Gbps operation at full temperature range; versus MAX9280A/V+, it removes HDCP overhead and licensing complexity while retaining identical video/audio/control performance for non-protected content paths.
Availability
MAX9276AGTN+ is available at Aetrix Electronics and suitable for automotive rear-seat infotainment, megapixel camera receiver modules, and high-resolution navigation systems requiring stable component supply, AEC-Q100 qualification, and long-term industrial lifecycle support.
Supply support for MAX9276AGTN+ 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and high-speed communication ICs for automotive, industrial, and computing applications.
The MAX9276AGTN+ belongs to Maxim's GMSL serializer/deserializer product line, engineered specifically for high-reliability, low-latency, single-cable video transmission in automotive ADAS and infotainment systems.
FAQ
What is the maximum coaxial cable length supported by the MAX9276AGTN+ at full 3.12Gbps data rate?
The MAX9276AGTN+ supports up to 15 meters of standard 50Ω coaxial cable at 3.12Gbps using its programmable line equalizer with up to 18dB boost. This specification is validated per Maxim's datasheet Figure 40 and Table 7, and assumes typical FAKRA connectors and RG-174-type cable. Longer runs require retiming or active equalization beyond the device's internal capability.
Does the MAX9276AGTN+ support both coax and STP cable types, and how is the selection configured?
Yes, the MAX9276AGTN+ supports both 50Ω coax and 100Ω shielded twisted-pair (STP) inputs. Cable type is auto-detected via the CABLE_TYPE pin (pin 53), which reads 3-level logic (low/mid/high) to configure input termination and equalizer settings. No register programming is required - configuration is hardware-based and occurs at power-up.
Can the MAX9276AGTN+ operate without an external microcontroller for basic video deserialization?
Yes, the MAX9276AGTN+ can operate in standalone mode with default register settings: video deserialization, parallel output, and basic control channel initialization occur automatically after power-up and lock detection. However, advanced features like LUT gamma correction, spread-spectrum modulation, or GPIO configuration require microcontroller interaction via the CTRL_IN/CTRL_OUT interface.
What audio formats and sample rates does the MAX9276AGTN+ support on its AUD_DATA/AUD_WS/AUD_SCK interface?
The MAX9276AGTN+ supports stereo I²S and 8-channel TDM audio formats. Sample rates range from 32kHz to 192kHz with bit depths up to 32 bits. Supported configurations include 24-bit stereo I²S (padded), 16-bit stereo I²S (no padding), and 24-bit 6- or 8-channel TDM - all defined in Maxim's datasheet Figures 16–21 and Table 4.
Is the MAX9276AGTN+ pin-compatible with the MAX9280A/V+?
Yes, the MAX9276AGTN+ is pin-compatible with the MAX9280A/V+ - both use identical 56-pin TQFN packages, share the same pinout, and have functionally identical register maps. The sole difference is that MAX9280A/V+ includes an integrated HDCP 1.4 engine; all other electrical, timing, and interface behavior is identical between the two parts.
MAX9276AGTN+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 56-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Deserializer
- Data Rate:
- 3.12Gbps
- Input Type:
- CML
- Output Type:
- LVCMOS
- Number of Inputs:
- 1
- Number of Outputs:
- 32
- Voltage - Supply:
- 1.7V ~ 1.9V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-TQFN (8x8)
MAX9276AGTN+ FAQ
1.How can I place an order for MAX9276AGTN+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9276AGTN+ 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 MAX9276AGTN+ reliable?
The price and inventory of MAX9276AGTN+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9276AGTN+ is usually 5 days.
3.What payment methods are accepted for MAX9276AGTN+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9276AGTN+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9276AGTN+?
MAX9276AGTN+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9276AGTN+ 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 MAX9276AGTN+?
For technical support, including MAX9276AGTN+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9276AGTN+ requirements.
6.How does Aetrix verify that MAX9276AGTN+ is sourced from the original manufacturer or authorized distributors?
All MAX9276AGTN+ 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 MAX9276AGTN+ meets industry standards.
7.What is the process for return or replacement of MAX9276AGTN+?
All MAX9276AGTN+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX9276AGTN+, 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 MAX9276AGTN+ part is unused and in its original packaging.
Return procedure for MAX9276AGTN+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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