Hitachi C28W440N, Service Manual

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34
Wide bandwidth (unity gain): 1 MHz (temperature compensated)
Wide power supply range:
— Single supply: 3V to 32V
— or dual supplies:
±
1.5V to
±
16V
Very low supply current drain (500 µA) — essentially independent of supply voltage
Low input offset voltage: 2 mV
Input common-mode voltage range includes ground
Differential input voltage range equal to the power supply voltage
Large output voltage swing: 0V to V
+
þ 1.5V
16.18.
SDA9488x ( For models with PIP )
16.18.1.
Features
• Single chip solution:
– CVBS-clamping, AD-conversion, gain control (AGC), multistandard chroma
decoding, sync separation for inset channel, filtering, embedded memory, RGB-matrix,
DA-conversion, RGB / YUV switch, data-slicer and clock generation
integrated onto one chip
• Analog inputs:
– 3x CVBS or 1x CVBS and 1x Y/C alternatively
– ADC with 8 bit amplitude resolution
– Automatic Gain Control (AGC)
• Chroma Decoder:
– PAL B/G, PAL M, PAL N(Argentina), PAL60, NTSC M, NTSC4.4 and SECAM
– Adjustable Chroma Saturation and Hue Control
– Automatic Chroma Control (-24 dB ... +6 dB))
– Automatic recognition of 625 lines / 525 lines standard
– Automatic recognition of chroma standards: different search strategies selectable
– Only one crystal necessary for all standards
– IF-characteristic compensation filter
• Display features:
– Horizontal and vertical filtering dependent on picture size
– 7 bit per pixel stored in memory
– PIP sizes between 1/81 and 1/4
– Two ’split-screen’ modes with horizontal decimation of 2 and vertical of 1.5 or 1.0
– Resolution up to 324 luminance and 2x81 chrominance pixels per inset line
– 16:9 compatibility
– Field and frame mode display (even at 100/120 Hz with picture sizes<=1/9)
–POP display