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Analog Devices’ transceivers bring high-def video via existing vehicle cable & connector infrastructure

07 May 2019

ADI C2B

Analog Devices has announced a transceiver series that enables high-definition (HD) video over existing unshielded twisted pair cables & unshielded connectors in vehicle applications.

This allows OEMs to upgrade easily from standard-definition cameras to HD cameras and provide the superior resolution and image quality required for today’s automotive camera applications. The new ADV7990 and ADV7991 transmitters, and ADV7380 and ADV7381 receivers, use ADI’s Car Camera Bus (C2B) technology to enable significant savings in weight, bulk and cost, and reduce cable-routing constraints when compared to other automotive link solutions.

The C2B transceivers are defined and designed specifically for automotive applications, which means that along with supporting excellent visual quality over the unshielded infrastructure, significant care was also taken with on-chip EMC/EMI mitigation techniques, enabling full compliance to the rigorous industry mandates for EMC, EMI and ESD robustness. The performance of the innovative cable-compensation design supports 30-metre cable runs, with multiple in-line connections, for resolutions up to 2 megapixels at 30 Hz or 1 megapixel at 60 Hz.

“C2B has proven to be a very cost-effective solution and provides seamless transition from mainstream low-resolution NTSC to high-definition cameras, offering significant value to car manufacturers in reducing cable harness cost and weight,” said Motoki Kanamori, General Manager, Advanced Hardware Development Department, Cockpit Systems Business Unit, Denso. “Denso is excited to work with Analog Devices and use its C2B technology to enable our scalable camera and video-connectivity solutions across vehicle lineups.” 

The ADV7990/91 and ADV7380/81 transceivers feature negligible latency along with uncompressed transmission; the bidirectional control channel uses the same cable and thus incurs no additional costs. These devices support a 75-MHz pixel rate (75 MHz Y, 75 MHz C) ‘frozen frame’ detection while the bidirectional control function supports I²C, interrupt/status and general-purpose I/O (GPIO).

Pricing & availability

Product

Sample availability

Production availability

Price each per 1,000 Units

Packaging

Technical specifications

ADV7990

Now

Now

$3.60

32-LFCSP

10-bit parallel input bus

-40°C to +105°C

ADV7991

Now

Now

$4.00

40-LFCSP

16-bit parallel input bus

-40°C to +105°C

ADV7380

Now

Now

$6.00

48-LFCSP

MIPI-CSI2 transmitter

-40°C to +105°C

ADV7381

Now

Now

$6.00

48-LFCSP

16-bit parallel output bus

-40°C to +105°C


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