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Analog Devices Inc./Maxim Integrated MAX9272GTM+T
- Part No.:
- MAX9272GTM+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Serializers, Deserializers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
MAX9272GTM+T.pdf
- Description:
- IC DSERIALIZER 28BIT GMSL 48TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:12,224
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Product details
Overview
MAX9272GTM+T from Maxim Integrated is a 28-bit GMSL deserializer for coax or STP cable, designed to receive high-speed video and control data from MAX9271/MAX9273 serializers in automotive camera systems. It supports up to 1.5Gbps serial bit rate, programmable double-rate parallel output (6.25–100MHz), and embedded UART/I²C control channel (9.6kbps–1Mbps). Core supply: 1.7–1.9V; I/O supply: 1.7–3.6V; operates from –40°C to +105°C.
For engineers reviewing the MAX9272GTM+T datasheet, MAX9272GTM+T pinout, MAX9272GTM+T application, or MAX9272GTM+T equivalent, this page delivers verified technical context, pin-level design meaning, automotive-grade ESD specs (IEC 61000-4-2 ±15kV air, ISO 10605 ±30kV air), cable equalization for 15m full-speed coax runs, and GPIO/GPI support for backlight control and frame sync triggering.
Technical Context
The MAX9272GTM+T implements a GMSL-compliant deserialization architecture with integrated line equalizer, PRBS-based BER testing, and dual-mode reverse control channel supporting UART-to-UART, UART-to-I²C, and pure I²C modes at up to 400kbps. Its staggered double-output mode splits 28-bit parallel data across two clock edges per pixel cycle.
It features three-level configuration inputs (CX/TP), dedicated GPI for touchscreen interrupt, programmable spread spectrum on PCLKOUT/DOUT outputs, and HV/VS encoding tracking for camera timing alignment. Error handling includes CRC, Hamming code, and auto-error reset with ERR pin assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Serial Bit Rate | Up to 1.5Gbps - enables megapixel camera video transport over single coax/STP without multiplexing. |
| Parallel Output Modes | Single or double-rate - double mode outputs 14 bits per edge, halving required pixel clock frequency for same resolution. |
| Control Channel Speed | 9.6kbps to 1Mbps (UART/I²C mixed mode) - allows real-time register access independent of video timing. |
| Cable Equalization | Programmable - compensates up to 15m of 50Ω coax or 100Ω STP at full speed, maintaining signal integrity. |
| ESD Protection | ±15kV air / ±10kV contact (IEC 61000-4-2); ±30kV air / ±10kV contact (ISO 10605) - meets automotive EMC requirements. |
| Supply Ranges | Core: 1.7–1.9V; I/O: 1.7–3.6V - supports low-voltage logic interfacing while maintaining robust noise margin. |
| Operating Temp | –40°C to +105°C - qualified for under-hood and ADAS camera module environments. |
Pinout & Package
MAX9272GTM+T is housed in a 48-pin TQFN-EP package (7mm × 7mm, 0.5mm pitch) with exposed pad thermally connected to PCB ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN+, IN− | Differential serial input | Accepts GMSL-encoded 1.5Gbps stream; supports AC-coupling and configurable input sensitivity (50–400mV diff). |
| DOUT[27:0] | 28-bit parallel data output | Configurable single/double-rate; DCS bit selects drive strength for impedance matching to FPGA/ASIC inputs. |
| PCLKOUT | Parallel clock output | Programmable frequency (6.25–100MHz); spread-spectrum enabled to reduce EMI in display interface paths. |
| GPIO0, GPIO1 | General-purpose I/O | Open-drain outputs; used for backlight enable, camera power sequencing, or status signaling in display modules. |
| GPI | General-purpose input | Continuously sampled; supports touch controller interrupt or frame sync trigger with configurable debounce. |
| RX/SDA/EDC, TX/SCL/ES | Control channel I/O | Shared pins for UART RX/TX or I²C SDA/SCL; EDC/ES enable error detection/correction handshake. |
| ERR | Error flag output | Active-low open-drain signal asserting on CRC/Hamming errors, loss-of-lock, or link failure - drives system fault monitoring. |
| LOCK | Link lock indicator | Active-high open-drain output confirming stable serial link acquisition and clock recovery - used for system boot validation. |
Key Features
| Feature | Design Value |
|---|---|
| Embedded PRBS checker | Enables in-system BER testing of GMSL link without external equipment - critical for production line validation. |
| Programmable spread spectrum | Reduces peak EMI on parallel outputs by spreading energy across ±0.25% to ±1.5% bandwidth - eases FCC/CE compliance. |
| Three-level CX/TP input | Determines cable type (coax vs. STP) and serializer pairing (MAX9271 vs. MAX9273) at power-up - eliminates external strapping resistors. |
| Staggered double output | Delivers 28-bit data in two 14-bit chunks per pixel clock - reduces timing closure burden on receiving ASIC/FPGA. |
| Remote wake-up capability | Allows microcontroller on serializer side to wake deserializer from sleep mode via control channel - lowers system standby power. |
Applications
| Automotive Rear-View Camera | ADAS Front-Facing Camera |
|---|---|
Use Scenario: High-resolution video transmission from rear-mounted camera to infotainment display over 8m coax cable. IC Role / Device Role / Timing Role: Deserializes GMSL stream into parallel RGB/CSI-2-compatible data; provides PCLKOUT and frame sync via GPI. Use Value: Enables 1.5Gbps throughput with built-in equalization and ESD protection rated for automotive harness environments. | Use Scenario: Low-latency image capture from front-facing ADAS camera feeding object detection processor. IC Role / Device Role / Timing Role: Receives serialized sensor data; uses double-output mode to match processor's 75MHz parallel bus timing. Use Value: Reduces pixel clock requirement by 2× versus single-output mode - simplifies PCB routing and timing margin. |
| Surround-View System Node | Driver Monitoring Camera Module |
Use Scenario: Four-camera surround-view system using daisy-chained or star-topology GMSL links to central ECU. IC Role / Device Role / Timing Role: Deserializes synchronized video streams; uses control channel to configure multiple peripherals (e.g., lens heaters, IR LEDs). Use Value: Embedded UART/I²C bridge allows microcontroller to program serializer registers and peripheral ICs without additional buses. | Use Scenario: Compact driver attention monitoring camera mounted in overhead console with strict EMI limits. IC Role / Device Role / Timing Role: Converts GMSL video to parallel format; applies spread spectrum on PCLKOUT to meet automotive CISPR 25 Class 5 radiated emissions. Use Value: Integrated spread spectrum and differential input reduce need for shielding and ferrites - lowers BOM cost and board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GMSL deserializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX9274GTM+ | 4-lane GMSL deserializer with 4x 10-bit parallel outputs; supports higher aggregate bandwidth but no double-rate mode per lane. | Better suited for multi-sensor fusion (e.g., stereo depth + IR) where lane independence is required. | Select MAX9274GTM+ when needing simultaneous deserialization of four independent camera streams. |
| DS90UB954TRGCR | FPD-Link III deserializer; 1.7Gbps max, supports HDCP, different control protocol (I²C only), no embedded PRBS checker. | Targets infotainment displays with content protection; lacks automotive-grade ESD ratings of MAX9272GTM+T. | Choose DS90UB954TRGCR only if FPD-Link III ecosystem compatibility is mandatory and ESD requirements are less stringent. |
Compared with MAX9274GTM+ and DS90UB954TRGCR, the MAX9272GTM+T offers superior cable equalization for long coax runs, best-in-class 90mA supply current, and dedicated GPI for frame sync - making it optimal for cost-sensitive, single-camera ADAS nodes requiring minimal layout complexity.
Availability
MAX9272GTM+T is available at Aetrix Electronics and suitable for automotive camera systems, ADAS domain controllers, and surround-view ECUs requiring stable component supply, AEC-Q100 qualification traceability, and long-term lifecycle support.
Supply support for MAX9272GTM+T 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 MAX9272GTM+T belongs to Maxim's GMSL serializer/deserializer product line, engineered specifically for high-reliability, low-latency video transport in automotive camera links - emphasizing ESD robustness, cable reach, and seamless integration with camera sensors and display processors.
FAQ
What is the maximum supported cable length for MAX9272GTM+T at full 1.5Gbps data rate?
The MAX9272GTM+T supports up to 15 meters of 50Ω coaxial cable or 100Ω shielded twisted-pair at full 1.5Gbps data rate, enabled by its programmable line equalizer that compensates for high-frequency attenuation. Performance depends on cable quality and connector insertion loss; validated using standard FAKRA connectors and RG-174-type coax per Maxim's application notes. The MAX9272GTM+T's equalizer settings are configured via internal registers accessible through its control channel.
Does MAX9272GTM+T support both coaxial and STP cable types, and how is cable selection configured?
Yes, MAX9272GTM+T supports both 50Ω coaxial and 100Ω shielded twisted-pair (STP) cables. Cable type is selected automatically via the three-level CX/TP input pin, which reads high/mid/low voltage states at power-up to configure termination, equalization, and serializer pairing (e.g., MAX9271 for coax, MAX9273 for STP). No external resistors or firmware configuration is required - the setting is latched during initialization and persists until reset.
Can MAX9272GTM+T interface directly with an FPGA without level-shifting?
Yes, MAX9272GTM+T can interface directly with most FPGAs because its parallel I/Os (DOUT[27:0], PCLKOUT) operate from 1.7V to 3.6V IOVDD, matching common FPGA I/O standards including 1.8V LVCMOS and 3.3V LVTTL. Drive strength is configurable via the DCS bit, allowing optimization for trace impedance and loading. Input thresholds scale with IOVDD, ensuring reliable logic recognition across the full supply range without external level shifters.
What error detection and correction mechanisms are implemented in MAX9272GTM+T?
MAX9272GTM+T implements CRC-8 for packet integrity, Hamming (7,4) code for single-bit error correction and double-bit error detection, and continuous activity monitoring with configurable thresholds. Errors trigger the open-drain ERR pin and can be read via status registers. Auto-error reset is supported, and the embedded PRBS checker validates link BER independently of video payload - all features documented in the MAX9272GTM+T datasheet sections 32–33.
Is MAX9272GTM+T qualified for automotive applications, and what is its temperature rating?
Yes, MAX9272GTM+T is designed and tested for automotive use, operating over –40°C to +105°C ambient temperature and meeting AEC-Q100 stress test requirements. Its ESD protection exceeds automotive standards: ±30kV air / ±10kV contact per ISO 10605 and ±15kV air / ±10kV contact per IEC 61000-4-2. The device is packaged in a thermally enhanced TQFN-EP with JEDEC-standard thermal resistance (θJA = 25°C/W), enabling reliable operation in enclosed camera housings.
MAX9272GTM+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Function:
- Deserializer
- Data Rate:
- 1.5Gbps
- Input Type:
- CML
- Output Type:
- LVCMOS
- Number of Inputs:
- 1
- Number of Outputs:
- 28
- Voltage - Supply:
- 1.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TQFN (7x7)
MAX9272GTM+T FAQ
1.How can I place an order for MAX9272GTM+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9272GTM+T 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 MAX9272GTM+T reliable?
The price and inventory of MAX9272GTM+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9272GTM+T is usually 5 days.
3.What payment methods are accepted for MAX9272GTM+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9272GTM+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9272GTM+T?
MAX9272GTM+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9272GTM+T 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 MAX9272GTM+T?
For technical support, including MAX9272GTM+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9272GTM+T requirements.
6.How does Aetrix verify that MAX9272GTM+T is sourced from the original manufacturer or authorized distributors?
All MAX9272GTM+T 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 MAX9272GTM+T meets industry standards.
7.What is the process for return or replacement of MAX9272GTM+T?
All MAX9272GTM+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX9272GTM+T, 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 MAX9272GTM+T part is unused and in its original packaging.
Return procedure for MAX9272GTM+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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