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Analog Devices¡¯ Video Amplifiers Integrate Short-to-Battery Protection and Fault Detection for Automotive Video Applications

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(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Analog Devices, Inc.
1 Technology Way, P.O. Box 9106
Norwood, MA, 02062-9106

Press release date: June 11, 2012

NORWOOD, Mass - Analog Devices, Inc. (ADI), a global leader in high-performance signal processing technology, today introduced a series of high-speed video amplifiers that integrate short-to-battery protection and fault detection for analog video systems in automotive safety and infotainment applications. Housed in 3mm x 3mm packages, ADI¡¯s new integrated video amplifiers reduce board space by at least 80 percent compared to fully discrete solutions and are ideal for space-constrained applications, such as rear-view cameras. The ADA4830-1 (single-channel) and ADA4830-2 (dual-channel) video difference amplifiers, and ADA4432-1 (single-ended output) and ADA4433-1 (differential output) analog video filter amplifiers, provide designers with a complete chipset for transporting analog video signals over shielded and unshielded twisted pair cables. The video amplifiers also can be used independently to provide receiver (ADA4830-1/2) and transmitter (ADA4432-1/33-1) functions as part of a video signal chain. All of these new amplifiers feature integrated short-to-battery protection up to 18 V, short-to-ground protection, fault detection, wide common-mode voltage ranges and robust ESD (electro-static discharge) performance.

¡¤ View the ADA4830-1 and ADA4830-2 video difference amplifier product pages, download the data sheets and order samples: ¡¤ View the ADA4432-1 and ADA4433-1 analog video filter amplifiers product pages, download the data sheets and order samples: ¡¤ Get support at ADI¡¯s EngineerZone¢ online technical support community:

¡°Whether you¡¯re running video from a rear-view camera or to a rear-seat display, a video signal chain without adequate fault tolerance is vulnerable to catastrophic failure. That can result in costly and time consuming troubleshooting and repairs,¡± said Curt Ventola, marketing and applications engineering manager, High-Speed Signal Conditioning group, Analog Devices. ¡°ADI¡¯s new video amplifiers are fully qualified for harsh, demanding automotive applications, where they provide the necessary protection against DC and transient over-voltage, ESD and large common-mode voltages.¡±

More About the ADA4830-1/-2 Video Difference Amplifiers
The ADA4830-1 and ADA4830-2 high-speed video difference amplifiers are designed for use as receivers of CVBS (Composite Video Blanking and Synchronous) signals in standard-definition PAL/NTSC video applications. In addition to integrated short-to-battery (input) protection up to 18 V on a single 3-V to 5-V supply, the new difference amplifiers include a short-to-battery flag that indicates the presence of a fault condition at the input. The ADA4830-1 and ADA4830-2 also have excellent ESD tolerance to up ¡¾8-kV Human Body Model (HBM), a wide input common-mode voltage range that extends to -8.5 V below ground and 55-dB common mode rejection at 7-MHz.

More About the ADA4432-1 and ADA4433-1 Analog Video Filter Amplifiers
The ADA4432-1 (single-ended output) and the ADA4433-1 (differential output) analog video filter amplifiers are designed as transmitters for automotive analog video filtering applications. They feature the same 18-V short-to-battery protection (output), fault flags and ¡¾8-kV HBM tolerance as the ADA4830. Additionally, ADI¡¯s new video filter amplifiers feature continuous output short-to-ground protection and excellent video specifications. The ADA4432-1 and ADA4433-1 include a high-order video filter with a -3dB cutoff frequency at 10 MHz and 45-dB of rejection at 27 MHz.

ADA4830, ADA4432-1 and ADA4433-1 Key Features:

¡¤ ADA4830-1/2 : Video Difference Amplifier / Receiver

¡¤ Fully qualified for automotive applications ¡¤ Short-to-battery and short-to-ground protection (input) ¡¤ Short-to-battery flag ¡¤ Input: single-ended or differential ¡¤ Input common-mode voltage range: ¡¾8.5 V ¡¤ CMRR @ 7 MHz: 55 dB ¡¤ Supply voltage: 2.9 V to 5 V ¡¤ Temperature range: -40¢ªC to 125¢ªC

¡¤ ADA4432-1/ADA4433-1 : Analog Video Filter Amplifier /Transmitter

¡¤ Fully qualified for automotive applications ¡¤ Short-to-battery and short-to-ground protection (output) ¡¤ Short-to-battery flag ¡¤ Output: single-ended (ADA4432-1) and differential (ADA4433-1) ¡¤ Fifth order video filter with cutoff at 10 MHz ¡¤ 45 dB of out-of-band rejection @ 27 MHz ¡¤ Supply voltage: 2.6 V to 3.6 V ¡¤ Temperature range: -40¢ªC to 125¢ªC

Availability, Pricing and Complementary Products
 Product          sample and Full           Price Each        Packaging                  Production Availability   per 1K Units ADA4830-1 	Now                      $0.69             8-lead LFCSP 3mm x 3mm 

ADA4830-2 Now $0.89 16-lead LFCSP 3mm x 3mm

ADA4432-1 Now $0.53 8-lead LFCSP 3mm x 3mm

ADA4432-1 Now $0.47 6-lead SOT 23 3mm x 3mm

ADA4433-1 Now $0.89 8-lead LFCSP 3mm x 3mm
The ADA4830-1/2 video difference amplifiers are compatible as a buffer with ADI¡¯s automotive qualified ADV7180 10-bit video decoder, while the ADA4432-1 and ADA4433-1 video filter amplifiers are compatible with ADI¡¯s ADV7391 and ADV7393 video encoders, which also are fully qualified for automotive applications.

About Analog Devices Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data-conversion and signal-conditioning technologies, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices is included in the S&P 500 Index.

Contacts Analog Devices Inc. Sarah Shieh, 781-937-2572 or Porter Novelli Andrew MacLellan, 617-897-8270

Source: Analog Devices, Inc.
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