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16-Bit GMSL Serializer with Coax or STP Cable Drive

Rugged 1.5Gbps Serializer Flexibly Drives Coax or STP Cables in a Very Small 5mm x 5mm TQFN Package

Product Details

Key Features

Parametric specs for High-Speed Interconnect (Differential Signaling)
Signal Type (Rx) CMOS
LVCMOS
Signal Type (Tx) CML
Functions Serializer
# Rx 16
# Tx 1
Data Rates (Mbps) 1500
VSUPPLY (V) 1.8
3.3
Package/Pins TQFN/32
Budgetary
Price (See Notes)
4.17
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Simplified Block Diagram

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Parameters

Parametric specs for High-Speed Interconnect (Differential Signaling)
Signal Type (Rx) CMOS
LVCMOS
Signal Type (Tx) CML
Functions Serializer
# Rx 16
# Tx 1
Data Rates (Mbps) 1500
VSUPPLY (V) 1.8
3.3
Package/Pins TQFN/32
Budgetary
Price (See Notes)
4.17

Key Features

  • Ideal for Camera Applications
    • Drives Low-Cost 50Ω Coax Cable and FAKRA Connectors or 100Ω STP
    • Error Detection/Correction
    • 9.6kbps to 1Mbps Control Channel in I²C-to-I²C Mode with Clock Stretch Capability
    • Best-in-Class Supply Current: 75mA (max)
    • Double-Rate Clock for Megapixel Cameras
    • Serializer Pre/Deemphasis Allows 15m Cable at Full Speed
    • 32-Pin (5mm × 5mm) TQFN Package with 0.5mm Lead Pitch
  • High-Speed Data Serialization for Megapixel Cameras
    • Up to 1.5Gbps Serial-Bit Rate with Single or Double Input: 6.25MHz to 100MHz Clock
  • Multiple Control-Channel Modes for System Flexibility
    • 9.6kbps to 1Mbps Control Channel in UART-to-UART or UART-to-I²C Modes
  • Reduces EMI and Shielding Requirements
    • Output Programmable for 100mV to 500mV Single-Ended or 100mV to 400mV Differential
    • Programmable Spread Spectrum on the Serial Output Reduces EMI
    • Bypassable Input PLL for Parallel Clock Jitter Attenuation
    • Tracks Spread Spectrum on Parallel Input
  • Peripheral Features for Camera Power-Up and Verification
    • Built-In PRBS Generator for BER Testing of the Serial Link
    • Up to Five GPIO Ports
    • Dedicated "Up/Down" GPO for Camera Frame Sync Trigger 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

  • Automotive Camera Systems

Description

The MAX9271 compact serializer is designed to drive 50Ω coax or 100Ω shielded twisted-pair (STP) cable. The device pairs with the MAX9272 deserializer.

The parallel input is programmable for single or double input. Double input allows higher pixel clock input frequency by registering two pixels of typical image-sensor video data before serializing. This doubles the maximum pixel clock frequency compared to single input.

The device features an embedded control channel that operates at 9.6kbps to 1Mbps in UART and mixed UART/I²C modes, and up to 400kbps in I²C mode. Using the control channel, a microcontroller (µC) is capable of programming serializer, deserializer, and camera (or any peripheral) registers at any time, independent of video timing. There is one dedicated GPIO, four optional GPIOs, and a GPO output, allowing remote power-up of a camera module, camera frame synchronization, and other uses. Error-detection and correction coding are programmable.

For driving longer cables, the device has programmable pre/deemphasis. Programmable spread spectrum is available on the serial output. The serial output meets ISO 10605 and IEC 61000-4-2 ESD standards. The core supply range is 1.7V to 1.9V and the I/O supply range is 1.7V to 3.6V. The device is available in a 32-pin (5mm × 5mm) TQFN-EP package with 0.5mm lead pitch and operates over the -40°C to +105°C temperature range.

Simplified Block Diagram

MAX9271: Typical Application Circuit MAX9271: Typical Application Circuit Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .