MAX9276

3.12Gbps GMSL Deserializers for Coax or STP Input and Parallel Output

Deserializers Enable Use of Coax Cables, Reducing Weight and Cost of Cabling in Automotive Infotainment


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Description

The MAX9276/MAX9280 gigabit multimedia serial link (GMSL) deserializers receive data from a GMSL serializer over 50Ω coax or 100Ω shielded twisted pair (STP) cable and output deserialized data on the LVCMOS outputs.

The MAX9280 has HDCP content protection but otherwise is the same as the MAX9276. The deserializers pair with any GMSL serializer capable of coax output including the MAX9293 HDMI/MHL serializer. When programmed for STP input they are backward compatible with any GMSL serializer.

The audio channel supports L-PCM I2S stereo and up to eight channels of L-PCM in TDM mode. Sample rates of 32kHz to 192kHz are supported with sample depth up to 32 bits.

The embedded control channel operates at 9.6kbps to 1Mbps in UART-UART and UART-I2C modes, and up to 1Mbps in I2C-I2C mode. Using the control channel, a µC can program serializer, deserializer, and peripheral device registers at any time, independent of video timing, and manage HDCP operation (MAX9280). Two GPIO ports are included, allowing display power-up and switching of the backlight among other uses. A continuously-sampled GPI input supports touch-screen controller interrupt requests in display applications.

For use with longer cables, the deserializers have a programmable cable equalizer. Programmable spread spectrum is available on the parallel output. The serial input meets ISO 10605 and IEC 61000-4-2 ESD standards. The core supply is 3.0V to 3.6V and the I/O supply is 1.7V to 3.6V.

The devices are in lead-free, 56-lead, 8mm x 8mm TQFN and QFND packages with exposed pad and 0.5mm lead pitch.
MAX9276, MAX9280: Typical Application Circuit MAX9276, MAX9280: Typical Application Circuit Enlarge+

Key Features

  • Ideal for High-Definition Video Applications
    • Works with Low-Cost 50Ω Coax Cable and FAKRA Connectors or 100Ω STP
    • 104MHz High-Bandwidth Mode Supports 1920x720p/60Hz Display With 24-Bit Color
    • Equalization Allows 15m Cable at Full Speed
    • Up to 192kHz Sample Rate And 32-Bit Sample Depth For 7.1 Channel HD Audio
    • Audio Clock from Audio Source or Audio Sink
    • Color Lookup-Table for Gamma Correction
    • CNTL[3:0] Control Outputs
  • Multiple Data Rates for System Flexibility
    • Up to 3.12Gbps Serial-Bit Rate
    • 6.25MHz to 104MHz Pixel Clock
    • 9.6kbps to 1Mbps Control Channel in UART, Mixed UART/I2C, or I2C Mode with Clock Stretch Capability
  • Reduces EMI and Shielding Requirements
    • Programmable Spread Spectrum Reduces EMI
    • Tracks Spread Spectrum on Input
    • High-Immunity Mode for Maximum Control-Channel Noise Rejection
  • Peripheral Features for System Power-Up and Verification
    • Built-In PRBS Tester for BER Testing of the Serial Link
    • Programmable Choice of 8 Default Device Addresses
    • Two Dedicated GPIO Ports
    • Dedicated “Up/Down” GPI for Touch-Screen Interrupt and Other Uses
    • Remote/Local Wake-Up from Sleep Mode
  • Meets Rigorous Automotive and Industrial Requirements
    • -40°C to +105°C Operating Temperature
    • ±8kV Contact and ±15kV Air ISO 10605 and IEC 61000-4-2 ESD Protection

Applications/Uses

  • High-Resolution Automotive Navigation
  • Megapixel Camera Systems
  • Rear-Seat Infotainment
Part NumberSignal TypeSignal TypeFunctionsRxTxData Rates
(Mbps)
VSUPPLY
(V)
Package/Pins
RxTx
MAX9280 CML
CMOS
LVCMOS
Deserializer1323120
1.8
3.3
QFND/56
THIN QFN/56
See All High-Speed Interconnect (Differential Signaling) (132)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAXCOAX2STP-HSD: Evaluation of Maxim Serializers/Deserializers with STP Cable

Quality and Environmental Data

Product Reliability Reports: MAX9276.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • MAX9276 IBIS Model
  • Software
    MAXSerDesEV-D  
    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
    Environmental Management System >

    Related Resources


    MAX96701
    14-Bit GMSL Serializer with High-Immunity/Bandwidth Mode and Coax/STP Cable Drive

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    MAX96700
    14-Bit GMSL Deserializer with Coax or STP Cable Input

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    MAX96705A
    16-Bit GMSL Serializer with High-Immunity/Bandwidth Mode and Coax/STP Cable Drive

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