参数资料
型号: TDA8758GBE
厂商: NXP SEMICONDUCTORS
元件分类: ADC
英文描述: 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封装: PLASTIC, SOT-313-2, LQFP-48
文件页数: 18/28页
文件大小: 263K
代理商: TDA8758GBE
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TDA8758
Information as of 2000
TDA8758; YC 8-bit low-power analog-to-digital video interface
The TDA8758 is an 8-bit video high-speed low-power analog-to-digital conversion (ADC) interface for YC and
CVBS signal processing. It converts 1-of-3 CVBS input signals or 1-of-2 YC input signals into binary or two
complement words at a sampling rate of 32 MHz. All analog signal inputs are digitally clamped and an ADC
interface is provided on the Y/CVBS channel. A fast precharge on clamp and AGC is provided for start
digital inputs and outputs are TTL compatible.
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Two 8-bit ADCs:
- one Luminance or CVBS channel
- one Chrominance channel
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Sampling rate up to 32 MHz
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Binary or two's complement 3-state TTL outputs for each channel
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Internal reference voltage regulator
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TTL-compatible digital inputs and outputs
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Power dissipation of 530 mW (typical)
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Input selector circuit (five selectable video inputs for CVBS or YC processing)
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Peak white enable input
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Clamp and Automatic Gain Control (AGC) functions for Y/CVBS channel (clamping on code 64 and Peak
White level control at code 255)
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Clamp function for C channel (code 128)
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No sample-and-hold circuit required.
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Video signal decoding
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Digital picture processing
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Frame grabbing
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Multimedia with the Philips Desktop Video chip set (and especially SAA7196 multistandard decoder and
scaler).
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