Overview
The MAX9278AGTM+T is a 3.12Gbps Gigabit Multimedia Serial Link (GMSL) deserializer produced by Analog Devices Inc./Maxim Integrated. This component is designed to receive data from a GMSL serializer over 50Ω coax or 100Ω shielded twisted-pair (STP) cable and output deserialized data on LVDS outputs. It is particularly suited for high-definition video and audio applications in automotive and industrial environments.
Key Specifications
| Parameter | Value |
|---|---|
| Serial-Bit Rate | Up to 3.12Gbps |
| Pixel Clock | 6.25MHz to 104MHz |
| Control Channel | 9.6kbps to 1Mbps (UART, UART-to-UART, UART-to-I2C, or I2C-to-I2C) |
| Audio Sample Rate | 32kHz to 192kHz |
| Audio Sample Depth | Up to 32 bits |
| Core Supply Voltage | 3.0V to 3.6V |
| I/O Supply Voltage | 1.7V to 3.6V |
| Operating Temperature | -40°C to +105°C |
| Package Type | Lead-free, 48-pin TQFN/SWTQFN with exposed pad and 0.5mm lead pitch |
| ESD Protection | ±8kV Contact and ±15kV Air ISO 10605 and IEC 61000-4-2 |
Key Features
- Ideal for high-definition video applications, supporting up to 1920 x 720p/60Hz display with 24-bit color.
- Works with low-cost 50Ω coax cable and FAKRA connectors or 100Ω STP.
- Equalization allows 15m cable at full speed.
- Supports L-PCM I2S stereo and up to eight channels of L-PCM in TDM mode.
- Programmable spread spectrum reduces EMI.
- High-immunity mode for maximum control-channel noise rejection.
- Built-in PRBS tester for BER testing of the serial link.
- Two dedicated GPIO ports and a dedicated “Up/Down” GPI for touch-screen interrupt and other uses.
- Remote/local wake-up from sleep mode.
Applications
- High-resolution automotive navigation systems.
- Rear-seat infotainment systems.
- Megapixel camera systems.
Q & A
- What is the maximum serial-bit rate of the MAX9278AGTM+T?
Up to 3.12Gbps.
- What types of cables can the MAX9278AGTM+T work with?
50Ω coax cable and 100Ω shielded twisted-pair (STP) cable.
- What is the supported audio sample rate range?
32kHz to 192kHz.
- Does the MAX9278AGTM+T support HDCP content protection?
No, but the MAX9282 version does.
- What is the operating temperature range of the MAX9278AGTM+T?
-40°C to +105°C.
- What ESD protection standards does the MAX9278AGTM+T meet?
ISO 10605 and IEC 61000-4-2.
- What is the purpose of the programmable cable equalizer?
To allow for longer cable lengths at full speed.
- Does the MAX9278AGTM+T have built-in GPIO ports?
Yes, it has two dedicated GPIO ports.
- How does the MAX9278AGTM+T reduce EMI?
Through programmable spread spectrum on the LVDS output.
- What is the package type of the MAX9278AGTM+T?
Lead-free, 48-pin TQFN/SWTQFN with exposed pad and 0.5mm lead pitch.
