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Analog Devices Inc./Maxim Integrated MAX9282AGTM+
- Part No.:
- MAX9282AGTM+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Serializers, Deserializers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
MAX9282AGTM+.pdf
- Description:
- IC DESERIALIZER GMSL 48TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,629
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Product details
Overview
MAX9282AGTM+ from Maxim Integrated is a 3.12Gbps GMSL deserializer for automotive infotainment and camera links, supporting HDCP-encrypted 720p/60Hz video over 50Ω coax or 100Ω STP cable, with 3-channel LVDS output, I2S/TDM audio up to 192kHz/32-bit, and embedded UART/I2C control channel up to 1Mbps.
For engineers reviewing the MAX9282AGTM+ datasheet, MAX9282AGTM+ pinout, MAX9282AGTM+ application, or MAX9282AGTM+ equivalent, this page delivers verified functional context, validated pin roles, real-world automotive use cases, and confirmed alternative parts for display and camera link design.
Technical Context
The MAX9282AGTM+ implements a CDR-based serial-to-parallel conversion architecture with integrated 7x PLL, HDCP decryption engine, and configurable line equalizer optimized for long-reach coax (up to 15m) and STP cables. It supports both high-bandwidth mode (104MHz pixel clock) and legacy 4-channel data mapping.
Its reverse control channel operates in UART-to-UART, UART-to-I2C, or I2C-to-I2C modes with clock-stretch capability, enabling bidirectional register access to serializer and peripheral devices independent of video timing - critical for dynamic HDCP key management and touch-interrupt handling via dedicated GPI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Serial Bit Rate | Up to 3.12Gbps - enables full HD video transport over single coax/STP without multiplexing overhead |
| Pixel Clock Range | 6.25MHz to 104MHz - supports 720p/60Hz (104MHz) and lower-resolution displays with precise timing alignment |
| Audio Support | L-PCM I2S stereo or 8-channel TDM up to 192kHz/32-bit - meets automotive surround-sound and voice interface requirements |
| Control Channel Speed | 9.6kbps to 1Mbps - allows real-time configuration of serializer, deserializer, and peripherals during active video |
| Operating Temperature | −40°C to +105°C - qualified for under-hood and display-module mounting in automotive environments |
| ESD Protection | ±8kV contact / ±15kV air per ISO 10605 and IEC 61000-4-2 - ensures robustness in noisy vehicle harnesses |
| Supply Voltage | Core: 3.0V–3.6V; I/O: 1.7V–3.6V - supports mixed-voltage system integration with common automotive LDOs |
Pinout & Package
The MAX9282AGTM+ is housed in a lead-free, 48-pin, 7mm × 7mm TQFN package with exposed thermal pad and 0.5mm pitch, optimized for automotive PCB space constraints and thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN+, IN− | Differential serial input | Accepts GMSL-encoded signal from coax or STP; includes programmable equalizer for cable loss compensation |
| TXOUT0+/− to TXOUT2+/− | LVDS video/audio data outputs | Three differential LVDS lanes carrying deserialized pixel/audio data; support spread-spectrum modulation to reduce EMI |
| VS, HS, DE | Video sync signals | Output vertical/horizontal sync and data enable for direct connection to display timing controllers |
| SDA, SCL | I2C interface | Local I2C master/slave port for configuring MAX9282AGTM+ registers or bridging to downstream peripherals |
| GPIO0, GPIO1 | General-purpose I/O | Configurable as inputs or outputs; used for display power sequencing, backlight control, or status signaling |
| GPI | Touch-screen interrupt input | Continuously sampled input supporting low-latency touch controller wake-up in display applications |
| INTOUT | Interrupt output | Active-low open-drain signal indicating lock loss, error condition, or HDCP authentication event |
| PWDN | Power-down control | Hardware pin enabling fast entry into low-power sleep mode (<1µA quiescent current) |
Key Features
| Feature | Design Value |
|---|---|
| HDCP 1.4 content protection | Integrated decryption engine enables secure transmission of premium video content in rear-seat displays and navigation systems |
| Programmable cable equalizer | Adjustable boost levels (Table 7) compensate for frequency-dependent loss in up to 15m coax, eliminating need for external repeaters |
| Dedicated touch-interrupt GPI | Hardware-accelerated sampling path reduces latency vs. polling-based GPIO, critical for responsive in-vehicle touch UIs |
| Built-in PRBS tester | Enables bit-error-rate validation of the entire GMSL link without external test equipment during production or field diagnostics |
| Color lookup table (LUT) | On-chip gamma correction memory allows display-specific color tuning without host µC intervention or frame buffer overhead |
| High-immunity reverse control channel | Configurable noise-rejection mode ensures reliable UART/I2C communication even under severe automotive EMI conditions |
Applications
| Automotive Rear-Seat Display | Megapixel Camera Video Link |
|---|---|
Use Scenario: High-resolution infotainment display mounted behind front seats, receiving video and audio from head-unit over coax cable. IC Role / Device Role / Timing Role: Deserializes encrypted GMSL stream into parallel RGB + I2S audio, provides VS/HS/DE timing, and manages HDCP handshake. Use Value: Enables single-cable video+audio+control transport with <15m reach, reducing harness weight and EMI susceptibility versus parallel interfaces. |
Use Scenario: Front/rear/surround-view camera feeding image data to ADAS domain controller via shielded cable. IC Role / Device Role / Timing Role: Receives serialized sensor data, recovers pixel clock, outputs synchronized LVDS video frames, and forwards control commands to camera module. Use Value: Supports 720p/60Hz with <1ms end-to-end latency and built-in PRBS testing for production-line camera link validation. |
| Automotive Navigation System | Head-Up Display (HUD) Interface |
Use Scenario: In-dash navigation unit driving a high-brightness TFT display with integrated audio feedback. IC Role / Device Role / Timing Role: Converts GMSL video from SoC, applies gamma correction via LUT, routes audio to amplifier, and handles touch-interrupt via GPI. Use Value: Eliminates separate audio routing and simplifies display timing by embedding audio clock recovery and sync tracking (HS/VS/DE). |
Use Scenario: Compact HUD projector requiring low-latency, EMI-hardened video interface in confined dashboard space. IC Role / Device Role / Timing Role: Deserializes compact GMSL stream, drives LVDS display interface, and uses spread-spectrum output to meet strict automotive CISPR-25 radiated emissions limits. Use Value: Programmable spread-spectrum reduces peak EMI by >10dB, avoiding costly shielding or filter redesign in space-constrained HUD modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GMSL deserializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX9278A | No HDCP engine; otherwise pin- and function-compatible with MAX9282AGTM+ | Suitable for non-encrypted video links (e.g., camera feeds without content protection) | Select MAX9278A when HDCP is unnecessary and cost optimization is prioritized. |
| TI DS90UB925QSQ | FPGA-configurable serializer/deserializer pair; supports FPD-Link III but not GMSL protocol stack | Requires different serializer and lacks native HDCP 1.4; used in non-Maxim GMSL ecosystems | Choose DS90UB925QSQ only when migrating from TI-based FPD-Link III designs or when leveraging TI's companion tools. |
Compared with MAX9278A and DS90UB925QSQ, the MAX9282AGTM+ uniquely integrates HDCP 1.4 decryption and GMSL-specific control-channel features - making it the only option for secure, drop-in replacement in existing Maxim GMSL display architectures.
Availability
MAX9282AGTM+ is available at Aetrix Electronics and suitable for automotive rear-seat infotainment, megapixel camera video links, and head-up display interfaces requiring stable component supply across extended temperature ranges and rigorous ESD environments.
Supply support for MAX9282AGTM+ 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 power management ICs for automotive, industrial, and communications markets.
The MAX9282AGTM+ belongs to Maxim's GMSL serializer/deserializer product line, engineered specifically for high-reliability, high-bandwidth video and audio transport in automotive ADAS and infotainment systems.
FAQ
What is the primary function of the MAX9282AGTM+ in an automotive video system?
The MAX9282AGTM+ functions as a gigabit multimedia serial link (GMSL) deserializer that receives high-speed serialized video, audio, and control data over coax or STP cable and outputs deserialized LVDS video, I2S/TDM audio, and sync signals. Its integrated HDCP 1.4 engine enables secure transmission of protected content in rear-seat displays - a core requirement for MAX9282AGTM+ deployment in certified automotive infotainment systems.
Does the MAX9282AGTM+ support both coaxial and shielded twisted-pair (STP) cable inputs?
Yes, the MAX9282AGTM+ supports both 50Ω coaxial and 100Ω shielded twisted-pair (STP) cable inputs. When configured for STP, it maintains backward compatibility with all GMSL serializers. Its programmable cable equalizer adapts to varying cable lengths and losses - delivering full 3.12Gbps performance over up to 15m of coax, as specified in the MAX9282AGTM+ datasheet.
How does the MAX9282AGTM+ handle audio transport and clocking?
The MAX9282AGTM+ supports L-PCM audio in I2S stereo or 8-channel TDM formats, with sample rates from 32kHz to 192kHz and sample depths up to 32 bits. It can recover audio clock from either the source (serializer) or sink (display), and provides an additional MCLK output for audio subsystem synchronization - ensuring jitter-tolerant, low-latency audio delivery in MAX9282AGTM+-based automotive systems.
What role does the GPI pin play in display applications using the MAX9282AGTM+?
The GPI (General-Purpose Input) pin on the MAX9282AGTM+ is continuously sampled to detect touch-screen controller interrupts with minimal latency. Unlike standard GPIO polling, this hardware-accelerated path enables immediate wake-up from sleep mode and rapid response to user input - a key feature for responsive in-vehicle displays where the MAX9282AGTM+ serves as the display-side interface IC.
Is the MAX9282AGTM+ pin-compatible with the MAX9278A?
Yes, the MAX9282AGTM+ is pin-compatible and functionally identical to the MAX9278A except for the inclusion of an integrated HDCP 1.4 decryption engine. All package dimensions, pin assignments, power requirements, and interface protocols match exactly - allowing direct substitution in existing MAX9278A designs when HDCP support is added, without PCB or firmware changes.
MAX9282AGTM+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Deserializer
- Data Rate:
- 3.12Gbps
- Input Type:
- LVDS
- Output Type:
- LVDS
- Number of Inputs:
- -
- Number of Outputs:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TQFN (7x7)
MAX9282AGTM+ FAQ
1.How can I place an order for MAX9282AGTM+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9282AGTM+ 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 MAX9282AGTM+ reliable?
The price and inventory of MAX9282AGTM+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9282AGTM+ is usually 5 days.
3.What payment methods are accepted for MAX9282AGTM+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9282AGTM+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9282AGTM+?
MAX9282AGTM+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9282AGTM+ 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 MAX9282AGTM+?
For technical support, including MAX9282AGTM+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9282AGTM+ requirements.
6.How does Aetrix verify that MAX9282AGTM+ is sourced from the original manufacturer or authorized distributors?
All MAX9282AGTM+ 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 MAX9282AGTM+ meets industry standards.
7.What is the process for return or replacement of MAX9282AGTM+?
All MAX9282AGTM+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX9282AGTM+, 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 MAX9282AGTM+ part is unused and in its original packaging.
Return procedure for MAX9282AGTM+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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