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VSP2272 Datasheet(PDF) 1 Page - Texas Instruments |
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VSP2272 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 10 page VSP2272 SLES020 – DECEMBER 2001 CCD SIGNAL PROCESSOR FOR DIGITAL CAMERAS 1 www.ti.com FEATURES D CCD Signal Processing: – Correlated Double Sampling (CDS) – Programmable Black Level Clamping D Programmable Gain Amplifier (PGA) –6-dB to 42-dB Gain Ranging D 12-Bit Digital Data Output: – Up to 28-MHz Conversion Rate – No Missing Codes D 77-dB Signal-To-Noise Ratio D Portable Operation: – Low Voltage: 2.7 V to 3.6 V – Low Power: 94 mW (Typ) at 3 V – Stand-By Mode: 6 mW APPLICATIONS D DSC, DVC, Security Camera DESCRIPTION The VSP2272 device is a complete mixed-signal processing IC for digital cameras providing signal conditioning and analog-to-digital conversion for the output of a charge-coupled device (CCD) array. The primary CCD channel provides correlated double sampling (CDS) to extract the video information from the pixels, –6-dB to 42-dB gain range with digital control for varying illumination conditions, and black level clamping for an accurate black level reference. Input signal clamping and offset correction of the input CDS are also performed. The stable gain control is linear in dB. Additionally, the black level is quickly recovered after gain change. The VSP2272Y device is available in a 48-lead LQFP package and the VSP2272M device is available in a 48-lead P-VQFN package. Both devices operate from a single 3-V/3.3-V supply. AVAILABLE OPTIONS PRODUCT PACKAGE PACKAGE OUTLINE DESIGNATOR† SPECIFIED TEMPERATURE RANGE PACKAGE MARKING ORDERING NUMBER‡ TRANSPORT MEDIA VSP2272Y VSP2272Y VSP2272M VSP2272M 48-Lead LQFP 48-Lead LQFP 48-Lead P-VQFN 48-Lead P-VQFN PT PT RGN RGN –25 °C to 85°C –25 °C to 85°C –25 °C to 85°C –25 °C to 85°C VSP2272Y VSP2272Y VSP2272M VSP2272M VSP2272Y VSP2272Y/2K VSP2272M VSP2272M/2K 250-piece tray Tape and reel 250-piece tray Tape and reel † A detailed drawing and a dimension table are located at the end of the data sheet. ‡ Models with a slash (/) are available only in tape and reel in the quantities indicated (e.g., /2K indicates 2,000 devices per reel). Ordering 2,000 pieces of the VSP2272Y/2K device will get a single 2,000-piece tape and reel. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright 2001, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. |
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