Overview
The MAX9260GCB/V+TGB is a high-speed deserializer component from Analog Devices Inc./Maxim Integrated, designed to work in conjunction with the MAX9259 serializer. This Gigabit Multimedia Serial Link (GMSL) device supports the transmission of high-speed video, audio, and control data over shielded twisted-pair (STP) cables. It is capable of operating at speeds up to 3.125Gbps over cable lengths of up to 15 meters, making it suitable for various display and image-sensing applications.
Key Specifications
| Parameter | Description |
|---|---|
| Data Rate | Up to 3.125Gbps |
| Cable Length | Up to 15 meters (STP cable) |
| Display Resolution | Supports QVGA (320 x 240) to XGA (1280 x 768), or dual-view WVGA (2 x 854 x 480) |
| Audio Channel | I2S up to 32 bits per sample, 192kHz sample rate |
| Parallel Bus Width | Selectable 24-bit or 32-bit |
| Parallel Bus Clock Rate | 8.33MHz to 104MHz (24-bit mode), 6.25MHz to 78MHz (32-bit mode) |
| Signaling | CML signaling with programmable preemphasis and AC-coupling |
| Channel Equalization | Adjustable line equalizer with 11 selectable levels of compensation (2.1dB to 13dB) |
| Reverse Control Channel | Supports I2C/UART and interrupt signals in the opposite direction of the video stream |
| Line-Fault Detection | Detects line failures such as short to ground, short to power supply, and open link |
Key Features
- High-speed data transmission up to 3.125Gbps over STP cables.
- Support for various display resolutions including QVGA to XGA and dual-view WVGA.
- Embedded I2S audio channel with up to 32 bits per sample at 192kHz sample rate.
- Selectable parallel bus widths of 24 bits and 32 bits.
- Programmable preemphasis and AC-coupling for reliable transmission over longer cable lengths.
- Adjustable line equalizer to compensate for cable attenuation at high frequencies.
- Reverse control channel for bidirectional communication of I2C/UART and interrupt signals.
- Line-fault detection for system fault diagnosis.
Applications
- Display panels for automotive infotainment systems.
- Image-sensing applications such as camera systems.
- High-speed video transmission in industrial and medical devices.
- Automotive rearview camera systems.
- Other applications requiring high-speed, reliable data transmission over long distances.
Q & A
- What is the maximum data rate supported by the MAX9260GCB/V+TGB?
The MAX9260GCB/V+TGB supports data rates up to 3.125Gbps.
- What is the maximum cable length supported by this component?
The component supports cable lengths up to 15 meters using shielded twisted-pair (STP) cables.
- What display resolutions are supported by the MAX9260GCB/V+TGB?
It supports display resolutions from QVGA (320 x 240) to XGA (1280 x 768), or dual-view WVGA (2 x 854 x 480).
- What type of audio channel does the MAX9260GCB/V+TGB support?
The component supports an I2S audio channel up to 32 bits per sample at a 192kHz sample rate.
- What are the selectable parallel bus widths for this component?
The parallel bus width can be selected between 24 bits and 32 bits.
- How does the MAX9260GCB/V+TGB compensate for high-frequency loss in cables?
The component uses programmable preemphasis and an adjustable line equalizer to compensate for cable attenuation at high frequencies.
- What is the purpose of the reverse control channel in the MAX9260GCB/V+TGB?
The reverse control channel allows for the transmission of I2C/UART and interrupt signals in the opposite direction of the video stream.
- Does the MAX9260GCB/V+TGB have line-fault detection capabilities?
Yes, the component includes a line-fault detector to monitor for line failures such as short to ground, short to power supply, and open link.
- What are some common applications of the MAX9260GCB/V+TGB?
Common applications include display panels for automotive infotainment systems, image-sensing applications, and high-speed video transmission in industrial and medical devices.
- How does the MAX9260GCB/V+TGB handle contention in the control link?
The component does not provide a built-in solution for contention avoidance; users must implement a higher-layer protocol to avoid contention.
