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| MITSUBISHI ICs (Monitor) PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. M52738P 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING DESCRIPTION The M52738P is semiconductor integrated circuit for CRT display monitor. It includes OSD blanking function, OSD mixing, Wide-band amplifier, Main and sub contrast controls, Brightness control function. OSD IN (R) OSD IN (G) OSD IN (B) OSD BLK IN 1 2 3 4 5 6 7 8 9 28 SUB CONTRAST (R) 27 SUB CONTRAST (G) 26 SUB CONTRAST (B) 25 BRIGHTNESS 24 HOLD (R) 23 OUTPUT (R) 22 VCC2 21 GND 20 OUTPUT (G) 19 HOLD (G) 18 OUTPUT (B) 17 HOLD (B) 16 BLK IN 15 CP IN PIN CONFIGURATION (TOP VIEW) FEATURES INPUT (R) VCC1 GND INPUT (G) VCC1 * * Frequency Band Width : RGB............................130MHz (at -3dB) OSD.............................................80MHz Input :RGB.............................................................0.7V P-P (typ.) OSD.......................................1.6VP-P minimum (positive) OSD BLK...............................1.6VP-P minimum (positive) Retrace BLK........................1.2VP-P maximum (negative) Output :RGB...............................................................4V P-P (min.) OSD...............................................................4VP-P (min.) Contrast and brightness can be controlled with a main control. The Main control changes contrast or brightness of 3-channels simultaneously. The sub control changes contrast of each channel independently. M52738P GND 10 INPUT (B) 11 VREF 12 MAIN CONTRAST 13 OSD ADJ 14 STRUCTURE Bipolar silicon monolithic IC Outline 28P4 APPLICATION CRT display monitor RECOMMENDED OPERATING CONDITION Supply voltage range....................................................11.4 to 12.6V Rated supply voltage................................................................12.0V BLOCK DIAGRAM SUB CONTRAST (G) BRIGHTNESS OUTPUT (R) SUB SUB HOLD (R) VCC2 CONTRAST (R) CONTRAST (B) 28 27 26 25 24 23 22 HOLD (G) GND HOLD (B) BLK IN OUTPUT (G) OUTPUT (B) 21 20 19 18 17 16 CP IN 15 R AMP G AMP B AMP R SUB CONTRAST R CONTRAST G SUB CONTRAST G CONTRAST B SUB CONTRAST B CONTRAST R OSD MIX G OSD MIX B OSD MIX 1 2 OSD IN (G) 3 4 5 OSD BLK IN INPUT (R) 6 VCC1 7 GND 8 INPUT (G) 9 VCC1 10 GND 11 INPUT (B) 12 VREF 13 14 OSD ADJ OSD IN (R) OSD IN (B) MAIN CONTRAST 1 MITSUBISHI ICs (Monitor) PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. M52738P 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING ABSOLUTE MAXIMUM RATINGS Symbol VCC Pd Topr Tstg Vopr Vopr' Surge Parameter Supply voltage Power dissipation Operating temperature Storage temperature Recommended operating supply voltage Recommended operating supply voltage range Electrostatic discharge Ratings 13 2000 -20 to 70 -40 to 150 12 11.4 to 12.6 200 Unit V mW C C V V V ELECTRICAL CHARACTERISTICS (Ta=25C, VCC1=VCC2=12V, unless otherwise noted) Symbol ICC Gmax Gmax VCR1 VCR2 VSCR1 VSCR2 VB1 VB2 VB3 FC1 FC2 Tr Tf VthCP OTr OTf Oaj1 Oaj2 OSDth HBLK Hvth ICC Maximum gain Relative maximum gain Contrast control characteristics (typical) Contrast control characteristics (minimum) Sub contrast control characteristics (typical) Sub contrast control characteristics (minimum) Brightness control characteristics (maximum) Brightness control characteristics (typical) Brightness control characteristics (minimum) Frequency characteristics 1 (f=50MHz;maximum) Frequency characteristics 2 (f=130MHz; maximum) Video output rise time Video output fall time Clamp pulse threshold voltage OSD output rise time OSD output fall time OSD adjust control (maximum) OSD adjust control (minimum) OSD input threshold voltage Retrace BLK characteristics Retrace BLK input threshold voltage Parameter Test point 6, 9, 21 18, 20, 23 - 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 Test conditions No input. Measurement of current that flows into 6, 9 and 21 18, 20, 23 input VSG, 15 input PG V13=4V V26, V27, V28=4V - 18, 20, 23 input VSG, 15 input PG V13=2V V26, V27, V28=4V 18, 20, 23 input VSG, 15 input PG V13=0.25V V26, V27, V28=4V 18, 20, 23 input VSG, 15 input PG V26, V27, V28=2V V13=4V 18, 20, 23 input VSG, 15 input PG V26, V27, V28=0.25V V13=4V 15 input PG V25=10V 15 input PG V25=1V 15 input PG V25=0V 18, 20, 23 input SG 18, 20, 23 input SG 18, 20, 23 input PG, 15 input PG 18, 20, 23 input PG, 15 input PG 18, 20, 23 input VSG, 15 input PG 1, 2, 3 input PG, 15 input PG 1, 2, 3 input PG, 15 input PG 1, 2, 3 input PG, 15 input PG V14=4V V26, V27, V28=2V 1, 2, 3 input PG, 15 input PG V14=0V V26, V27, V28=2V 1, 2, 3 input PG, 15 input PG 4 input PG 16 input PG 16 input PG - -3 Min. - Limits Typ. 100 20 0.8 1.0 14 0.25 15.5 1.1 8.5 1.1 - - 0 - 3.0 4.0 1.2 4 10 5 0 1.6 - 1.2 0.5 - 0.1 1.2 Max. Unit mA dB dB dB VP-P dB VP-P V V V dB dB nsec nsec V nsec nsec VP-P VP-P V V V Note 1: The ambient temperature is 25C. 2: The supply voltage is 12V. 3: The direction of a current that flows toward the IC is regarded as plus. 2 MITSUBISHI ICs (Monitor) PRELIMINARY Notice:This is not a final specification. Some parametric limits are subject to change. M52738P 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) 2800 POWER DISSIPATION Pd (mW) 2400 2000 1600 1200 800 400 0 -20 0 25 50 70 75 100 125 150 AMBIENT TEMPERATURE Ta (C) 3 |
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