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A Video-Rate 8 bit Parallel A/D Converter Using Trench Isolation
Akira MATSUZAWA Yasuto NAKATSUGI Akihiro KANDA Haruyasu YAMADA
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1987 National Convention IEICE)
Category: Semiconductor Devices and Integrated Circuits
Full Text: PDF>>
In order to realize highly accurate analog to digital conversion for EDTV, HDTV, and video-camera with low power consumption, a monolithic video-rate 8 bit parallel A/D converter has been developed using high-accuracy bipolar transistors with trench isolation. The A/D converter can digitize wide band video signals up to 10 MHz with high signal to nose ratio (45 dB at 10 MHz input) at high conversion rate of 40 MHz. Notwithstanding it contains 7000 bipolar transistors, it consumes only 250 mW and is formed with small chip size (2.73.9mm2).