VSP2262 Texas instruments

VSP2262

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VSP2262

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Описание

The VSP2262 is a complete mixed-signal processing IC for digital cameras, providing signal conditioning and Analog-to-Digital (A/D) conversion for the output of a CCD array. The primary CCD channel provides Correlated Double Sampling (CDS) to extract video information from the pixels, \x966dB to +42dB 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 VSP2262Y is available in an LQFP-48 package and operates from a single +3V/+3.3V supply.

CCD SIGNAL PROCESSING:
Correlated Double Sampling (CDS)
Programmable Black Level Clamping
PROGRAMMABLE GAIN AMPLIFIER (PGA):
\x966dB to +42dB Gain Ranging
12-BIT DIGITAL DATA OUTPUT:
Up to 20MHz Conversion Rate
No Missing Codes
79dB SIGNAL-TO-NOISE RATIO
PORTABLE OPERATION:
Low Voltage: 2.7V to 3.6V
Low Power: 83mW (typ) at 3.0V
Stand-By Mode: 6mW

Resolution (Bits)	12
Sample rate (Msps)	20
Gain (min) (dB)	-6
Gain (max) (dB)	42
Pd (typ) (mW)	86
Supply voltage (max) (V)	3.6
Operating temperature range (°C)	-25 to 85
Output data format	CMOS Parallel
Rating	Catalog