MITSUBISHI ICs (Monitor) PRELIMINARY M52738P Notice:This is not a final specification. Some parametric limits are subject to change. 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING DESCRIPTION PIN CONFIGURATION (TOP VIEW) The M52738P is semiconductor integrated circuit for CRT display monitor. OSD IN (R) 1 28 SUB CONTRAST (R) amplifier, Main and sub contrast controls, Brightness control OSD IN (G) 2 27 SUB CONTRAST (G) function. OSD IN (B) 3 26 SUB CONTRAST (B) OSD BLK IN 4 25 BRIGHTNESS INPUT (R) 5 24 HOLD (R) 23 OUTPUT (R) FEATURES • • 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. VCC1 6 GND 7 INPUT (G) 8 VCC1 9 M52738P It includes OSD blanking function, OSD mixing, Wide-band 21 GND 20 OUTPUT (G) 19 HOLD (G) GND 10 INPUT (B) 11 18 OUTPUT (B) 17 HOLD (B) VREF 12 MAIN CONTRAST 13 16 BLK IN 15 CP IN OSD ADJ 14 STRUCTURE 22 VCC2 Outline 28P4 Bipolar silicon monolithic IC 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 1 2 OSD IN (G) OSD IN (R) 1 3 HOLD (G) GND HOLD (B) BLK IN OUTPUT (G) OUTPUT (B) 21 20 19 18 17 16 R AMP G AMP B AMP R SUB CONTRAST G SUB CONTRAST B SUB CONTRAST R CONTRAST G CONTRAST B CONTRAST R OSD MIX G OSD MIX B OSD MIX 4 5 OSD BLK IN OSD IN (B) INPUT (R) 6 VCC1 7 GND 8 INPUT (G) 9 VCC1 10 GND 11 INPUT (B) 12 VREF 13 CP IN 15 14 OSD ADJ MAIN CONTRAST MITSUBISHI ICs (Monitor) PRELIMINARY M52738P Notice:This is not a final specification. Some parametric limits are subject to change. 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=25°C, VCC1=VCC2=12V, unless otherwise noted) Symbol Parameter Test point Test conditions Min. Limits Typ. − 100 mA 20 dB Max. Unit ICC ICC 6, 9, 21 Gmax Maximum gain ∆Gmax Relative maximum gain Contrast control characteristics (typical) 18, 20, 23 − 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 18, 20, 23 input VSG, 15 input PG V13=2V V26, V27, V28=4V 14 18, 20, 23 18, 20, 23 input VSG, 15 input PG V13=0.25V V26, V27, V28=4V 0.25 VP-P 18, 20, 23 18, 20, 23 input VSG, 15 input PG V26, V27, V28=2V V13=4V 15.5 dB 18, 20, 23 18, 20, 23 input VSG, 15 input PG V26, V27, V28=0.25V V13=4V 1.1 VP-P 18, 20, 23 15 input PG V25=10V 8.5 V Brightness control characteristics (typical) Brightness control characteristics (minimum) Frequency characteristics 1 (f=50MHz;maximum) 18, 20, 23 1.1 V 18, 20, 23 15 input PG V25=1V 15 input PG V25=0V 18, 20, 23 18, 20, 23 input SG FC2 Frequency characteristics 2 (f=130MHz; maximum) 18, 20, 23 18, 20, 23 input SG Tr Video output rise time 18, 20, 23 input PG, 15 input PG 3.0 nsec Tf Video output fall time 18, 20, 23 input PG, 15 input PG 4.0 nsec VthCP Clamp pulse threshold voltage 18, 20, 23 input VSG, 15 input PG 1.2 V OTr OSD output rise time OTf OSD output fall time 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 18, 20, 23 Oaj1 OSD adjust control (maximum) 18, 20, 23 Oaj2 OSD adjust control (minimum) 18, 20, 23 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 OSDth OSD input threshold voltage 18, 20, 23 1, 2, 3 input PG, 15 input PG 4 input PG HBLK Retrace BLK characteristics 16 input PG Hvth Retrace BLK input threshold voltage 18, 20, 23 18, 20, 23 VCR1 VCR2 VSCR1 VSCR2 VB1 VB2 VB3 FC1 Contrast control characteristics (minimum) Sub contrast control characteristics (typical) Sub contrast control characteristics (minimum) Brightness control characteristics (maximum) 0.8 − 1.0 − 1.2 dB 0.1 0 -3 − dB V dB − dB 1, 2, 3 input PG, 15 input PG 4 nsec 1, 2, 3 input PG, 15 input PG 10 nsec 5 VP-P 0 VP-P 16 input PG 1.6 − − 1.2 V 0.5 V V Note 1: The ambient temperature is 25°C. 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 M52738P Notice:This is not a final specification. Some parametric limits are subject to change. 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) POWER DISSIPATION Pd (mW) 2800 2400 2000 1600 1200 800 400 0 -20 0 25 50 70 75 100 125 AMBIENT TEMPERATURE Ta (°C) 3 150