MAX9281 - 3.12Gbps GMSL Serializers for Coax or STP Output Drive and LVDS Input

MAX9281是Maxim美信半导体公司的一款电平转换器产品，MAX9281是3.12Gbps GMSL Serializers for Coax or STP Output Drive and LVDS Input，本站介绍了MAX9281的封装应用图解、特点和优点、功能等，并给出了与MAX9281相关的Maxim元器件型号供参考。

MAX9281 - 3.12Gbps GMSL Serializers for Coax or STP Output Drive and LVDS Input - 电平转换器 - Serializers Enable Use of Coax Cables, Reducing Weight and Cost of Cabling in Automotive Infotainment - 美信半导体

产品概述

The MAX9277/MAX9281 are 3.12Gbps Gigabit Multimedia Serial Link (GMSL) serializers with 3- or 4-data lane LVDS input (oLDI) and a CML serial output programmable for 50Ω coax or 100Ω shielded twisted pair (STP) cable drive. The MAX9281 has HDCP content protection but otherwise is the same as the MAX9277. The serializers pair with any GMSL deserializer capable of coax input. When programmed for STP output they are backward compatible with any GMSL deserializer. The output amplitude is programmable 100mV to 500mV single-ended (coax) or 100mV to 400mV differential (STP).

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 (MAX9281). A GPO output supports touch-screen controller interrupt requests from the remote end of the link.

For use with longer cables, the serializers have programmable pre/deemphasis. Programmable spread spectrum is available on the serial output. The serial output meets ISO 10605 and IEC61000-4-2 ESD standards. The core supply is 1.7 to 1.9V and the I/O supply is 1.7 to 3.6V. The package is a lead-free, 48-pin, 7mm x 7mm TQFN with exposed pad and 0.5mm lead pitch.

关键特性

以下关键特性由Maxim美信半导体提供：

Ideal for High-Definition Video Applications

Drives Low-Cost 50Ω Coax Cable and FAKRA Connectors or 100Ω STP

104MHz High-Bandwidth Mode Supports 1920x720p/60Hz Display With 24-Bit Color

Serializer Pre/Deemphasis Allows 15m Cable at Full Speed

Up to 192kHz Sample Rate and 32-Bit Sample Depth For 7.1 Channel HD Audio

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

Serial Output Programmable for 100mV to 500mV Single-Ended or 100mV to 400mV Differential

Programmable Spread Spectrum Reduces EMI

Bypassable Input PLL for Pixel Clock Jitter Attenuation

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 Generator for BER Testing of the Serial Link

Programmable Choice of 9 Default Device Addresses

Dedicated “Up/Down” GPO 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

热门应用

高分辨率汽车导航

兆像素照相系统

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