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| MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS DESCRIPTION M52337SP is a video preamplifier provided with OSD mixing function, and a semi-conductor IC having three channels of a builtin amplifier in the 110MHz band. Each channel has the functions of OSD blanking, OSD mixing, wideband amplifier, main and sub-contrast control, and main and sub brightness. Accordingly, it is structured to best fit the OSDprovided high-resolution display. PIN CONFIGURATION (TOP VIEW) BLK IN 1 VCC1 (B) 2 INPUT (B) 3 SUB CONTRSAST (B) 4 OSD IN (B) 5 GND 1 (B) 6 VCC1 (G) 7 36 OSD ADJUST 35 OUTPUT (B) 34 VCC2 (B) 33 HOLD (B) 32 SUB BRIGHTNESS (B) 31 GND2 (B) 30 OUTPUT (G) FEATURES M52337SP * Frequency band: RGB ...................................110MHz (at 3V P-P) Input OSD......................................................50MHz : RGB...........................................................0.7V P-P (Typ.) OSD.............................3.0 to 5.0 VP-P (positive polarity) BLK..........................4.0 VP-P or more (positive polarity) Output : RGB........................................................4.0 V P-P (max.) OSD..............................3.5 VP-P (max., black level=2V) INPUT (G) 8 SUB CONTRST (G) 9 OSD IN (G) 10 GND 1 (G) 11 VCC1 (R) 12 INPUT (R) 13 SUB CONTRAST (R) 14 OSD IN (R) 15 GND 1 (R) 16 MAIN CONTRAST 17 CP IN 18 29 VCC2 (G) 28 HOLD (G) 27 SUB BRIGHTNESS (G) 26 GND2 (G) 25 OUTPUT (R) 24 VSS2 (R) 23 HOLD (R) 22 SUB BRIGHTNESS (R) 21 GND2 (B) 20 NC 19 MAIN BRIGHTNESS * * * Each control of contrast and brightness includes a main which allows three channels to be variable simultaneously, and a sub which allows each channel to be variable independently. Each control pin can be controlled within a range of 0 to 5V. A built-in feedback circuit inside IC provides a stable DC level at IC output pins. Pin arrangement of M52337SP is the same as that of M52321SP. APPLICATION CRT display Outline 36P4E NC:NO CONNECTION RECOMMENDED OPERATING CONDITION Supply voltage range...........................................Vcc=11.5 to 12.5V Rated supply voltage........................................................Vcc=12.0V 1 BLOCK DIAGRAM OSD ADJUST (G) OUTPUT (G) GND2 NC MAIN BRIGHTNESS 20 19 (R) OUTPUT 26 25 24 23 22 21 (R) HOLD (R) GND2 (R) VCC2 (R) SUB BRIGHTNESS (G) VCC2 30 29 28 27 (G) SUB BRIGHTNESS (G) HOLD (G) GND2 32 31 (B) VCC2 (B) SUB BRIGHTNESS (B) OUTPUT (B) HOLD 36 35 34 33 B OSD MIX G OSD MIX G BRIGHTNESS B BRIGHTNESS R OSD MIX R BRIGHTNESS B HOLD R HOLD G HOLD B AMP B BLANKING G AMP G BLANKING R AMP R BLANKING B CLAMP B CONTRAST G CLAMP G CONTRAST R CLAMP R CONTRAST 1 (B) OSD IN (B) GND1 (G) INPUT (G) VCC1 (G) SUB CONTRAST (G) OSD IN 2 10 3 4 5 6 7 8 9 11 (G) GND1 12 13 (R) INPUT (R) VCC1 14 15 (R) OSD IN (R) SUB CONTRAST 16 17 MAIN CONTRAST (R) GND1 18 BLK IN (B) INPUT MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS (B) VCC1 (B) SUB NONTRAST CP IN 2 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS ABSOLUTE MAXIMUM RATINGS (Ta=25C) Symbol Vcc Pd Surge Vopr Vopr' Topr Tstg Parameter Supply voltage Power dissipation Surge pressure Recommended supply voltage Recommended supply voltage range Operating temperature Storage temperature Ratings 13.0 2016 200 12.0 11.5 to12.5 -20 to +85 -40 to +150 Unit V mW V V V C C ELECTRICAL CHARACTERISTICS (Ta=25C, Vcc=12V, unless otherwise noted) Symbol Icc Vomax Vimax Gv Gv VCR1 VCR1 VCR2 VCR2 VSCR1 VSCR1 VSCR2 VSCR2 VSCR3 VSCR3 VB1 VB1 VB2 VB2 VB3 VB3 Parameter Circuit current Output dynamic range Max. allowable input Max. gain Relative max. gain Main contrast control characteristics (at typ.) Relative main contrast control characteristics (at typ.) Main contrast control characteristics (at min.) Relative main contrast control characteristics (at min.) Sub-contrast control characteristics (at typ.) Relative sub-contrast control characteristics (at typ.) Sub-contrast control characteristics (at min.) Relative sub-contrast control characteristics (at min.) Main and sub brightness control characteristics (both main and sub at typ.) Relative main and sub brightness control characteristics (both main and sub at typ.) Main brightness control characteristics (at max.) Relative main brightness control characteristics (at max.) Main brightness control characteristics (at typ.) Relative main brightness control characteristics (at typ.) Main brightness control characteristics (at min.) Relative main brightness control characteristics (at min.) T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 Test point A T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 Input SW13 SW8 SW13 R-ch G-ch B-ch External power supply(V) V4 V17 V19 V32 Pulse input Limits V36 SW18 Unit SW1 Min. Typ. Max. 5,10,15 a _ a _ a _ a _ 65 5.8 1.7 13 0.8 95 6.8 2.4 17 1 8 1 0.8 1 8 1 0.8 1 1.5 1 3.6 0 2.2 0 1.2 0 125 9.0 2.9 20 1.2 11 1.2 1.1 1.2 11 1.2 1.1 1.2 2.2 1.2 4.2 0.3 2.8 0.3 1.6 0.3 mA VP-P VP-P dB dB VP-P dB VP-P VP-P V V V V VDC V a _ a _ a _ 5 5 5 5 5 5 5 Variable 5 5 5 5 2 - b SG6 a _ a _ a _ b b b SG1 SG1 SG1 b b b SG1 SG1 SG1 b b b SG1 SG1 SG1 2.5 Variable 5 VT Take the ratio of the above values b b b SG1 SG1 SG1 5 2 VT 5 a _ a _ 5 0.8 Take the ratio of the above values b b b SG1 SG1 SG1 5 1 VT 5 a _ a _ 0.5 0.8 Take the ratio of the above values b b b SG1 SG1 SG1 2 5 VT 5 a _ a _ 5 0.8 Take the ratio of the above values b b b SG1 SG1 SG1 1 5 VT 5 a _ a _ 0.5 0.8 Take the ratio of the above values T.P35 T.P30 T.P25 b b b SG1 SG1 SG1 3 3 VT 5 - a _ a _ 0.8 0.8 Take the ratio of the above values T.P35 T.P30 T.P25 a _ a _ a _ 5 5 4 5 - b SG6 a _ 3.0 -0.3 Take the ratio of the above values a _ a _ a _ 5 5 2.5 5 b SG6 a _ 1.6 -0.3 Take the ratio of the above values a _ a _ a _ 5 5 1 5 b SG6 a _ 0.8 -0.3 Take the ratio of the above values 3 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS ELECTRICAL CHARACTERISTICS (cont.) Symbol VSB1 VSB1 FC1 FC1 FC1' FC1' FC2 VC2' FC3 FC3' C.T.1 C.T.1' C.T.2 C.T.2' C.T.3 C.T.3' Tr Tf Parameter Sub-brightness control characteristics (at max.) Sub-brightness control characteristics (at min.) Frequency characteristics 1 (f=50MHz at max.) Relative frequency characteristics 1 (f=50MHz at max.) Frequency characteristics 1 (f=110MHz at max.) Relative frequency characteristics (f=110MHz at max.) Frequency characteristics 2 (f=110MHz at typ.) Relative frequency characteristics 2 (f=110MHz at typ.) Frequency characteristics 3 (f=110MHz at min.) Relative frequency characteristics 3 (f=110MHz at min.) Crosstalk1(f=50MHz ) Crosstalk1(f=110MHz ) Crosstalk2(f=50MHz ) Crosstalk2(f=110MHz ) Crosstalk3(f=50MHz ) Crosstalk2(f=110MHz ) Pulse characteristics 1 Pulse characteristics 2 Clamping pulse threshold voltage Clamping pulse min. operating width OSD pulse characteristics 1 OSD pulse characteristics 2 OSD adjustment control characteristics (at max.) Relative OSD adjustment control characteristics (at max.) OSD adjustment Control characteristics (at min.) Relative OSD adjustment Control characteristics (at min.) Test point T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 Input SW13 SW8 SW13 R-ch G-ch B-ch External power supply(V) V4 V17 V19 V32 Pulse input Limits V36 SW18 Unit SW1 Min. Typ. Max. 5,10,15 a _ a _ a _ 1.3 0.8 -2.5 -1 1.8 1.2 -1 0 -2 0 -2 0 -2 0 -30 -20 -30 -20 -30 -20 4 7 1.5 0.3 5 5 3.1 1 0 1 2.4 1.6 3 1 3 2 3 2 3 2 -20 -15 -20 -15 -20 -15 7 9 2.5 VDC VDC dB dB dB dB dB dB dB dB dB dB dB dB dB dB nsec nsec VDC a _ a _ a _ a _ a _ a _ 5 5 5 5 5 3 2 2 VT 5 0 - - b SG6 b SG6 a _ b b b SG3 SG3 SG3 Take the ratio of the above values T.P35 T.P30 T.P25 b b b SG4 SG4 SG4 5 3 VT - - a _ a _ -3 -2 Take the ratio of the above values T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 b b b SG3 SG3 SG3 b b b SG4 SG4 SG4 b b b SG3 SG3 SG3 b b b SG4 SG4 SG4 b SG3 b SG4 a _ a _ a _ a _ a _ a _ b SG3 b SG4 a _ a _ a _ a _ a _ a _ b SG3 b SG4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2 2 1 1 5 5 5 5 5 5 3.3 3.3 5 5 5 5 5 VT VT VT VT VT VT VT VT VT VT 2 2 2 2 2 2 2 5 5 5 5 5 5 5 5 5 5 5 5 5 4.5 4.5 4.5 a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ b SG6 b SG6 b SG6 b SG6 b SG6 b SG6 b SG6 a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ b SG8 b SG8 b SG8 -3 -2 -3 -2 0.7 2.5 0.8 b b b SG5 SG5 SG5 b b b SG5 SG5 SG5 a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ a _ V14th W14 OTr OTf Oaj1 Oaj1 Oaj2 Oaj2 1.0 sec 10 10 3.6 1.2 0.5 1.2 nsec nsec VP-P VP-P - Take the ratio of the above values T.P35 T.P30 T.P25 a _ a _ a _ 5 5 2 5 0 b SG6 b -0.5 SG8 0.8 Take the ratio of the above values 4 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS ELECTRICAL CHARACTERISTICS (cont.) Symbol OSDth V1th Parameter OSD input threshold voltage BLK input threshold voltage Test point T.P35 T.P30 T.P25 T.P35 T.P30 T.P25 Input SW13 SW8 SW13 R-ch G-ch B-ch External power supply(V) V4 V17 V19 V32 Pulse input Limits V36 SW18 Unit SW1 Min. Typ. Max. 5,10,15 b SG8 SW1 only a _ a _ a _ 5 5 5 5 2 2 5 5 1.7 - b SG6 b SG6 1.7 1.7 2.5 2.5 3.5 3.5 VDC VDC b b b SG7 SG7 SG7 b SG8 ELECTRICAL CHARACTERISTICS TEST METHOD SW/NO of signal input pin and SW/NO of pulse input pin, which have already been described in the electrical characteristics table, are omitted, and SW/NO of external power supply will only be described as follows: Sub-brightness voltages, V32, V27 and V22, which are always set to the identical value, are represented by V32 in the electrical characteristic table. In addition, sub-contract voltages, V4, V9 and V14, which are also set to the identical value, are represented by V4 in the table. Icc circuit current Conditions shall be as specified in the electrical characteristic table, and take measurements with ammeter A when SW1 is turned to the b side. Vomax output dynamic range Follow the following procedure to set V19. 1. Input SG1 to pin 13 3. After setting VTR (VTG or VTB), gradually increase SG1 amplitude from 700mV, and take measurements of output amplitude at a point where the upper and lower parts of T.P25 (T.P30 or T.P35) output waveform start to be distorted simultaneously. Vimax max. allowable input From the status of Vomax, change V17 into 2.5V as specified in the electrical characteristics table, gradually increase input signal amplitude from 700m VP-P, and read input signal amplitude at a point where output signal starts to be distorted. GV and GV max gain and relative max. gain 1. Input SG1 to pin VOB1). 2. Max. gain GV is found by: GV=20log VOR1(VOG1, VOB1) 0.7 3. Relative max. gain G is found by GV=VOR1/VOG1, VOG1/VOB1, VOB1/VOR1 through respective calculation. VCR1 main contrast control characteristics (at typ.) and VCR1 relative main contrast control characteristics (at typ.) 1. Follow the electrical characteristic table except changing V17 to 2.0V. 2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time to let the reading be VOR2 (VOG2 or VOB2). 3. Contrast control characteristics VCR1 and relative contrast control characteristics VCR1 are found by VCR1=20log VOR2(VOG2, VOB2) 0.7 [VP-P] [VP-P] [VP-P] [VP-P] 13 (pin 8 or pin 3 ), read the output amplitude of T.P25 (T.P30 or T.P35) to let the reading be VOR1 (VOG1 or (pin 8 or pin 3 ), gradually raise V19, and read V19 voltage when the upper part of the output waveform of T.P25 (T.P30 or T.P35) is distorted to let the reading be VTR1 (VTG1 or VTB1). In addition, gradually reduce V19 conversely, and read V19 voltage when the lower part of the output waveform of T.P35 (T.P30 or T.P25) is distorted to let the reading be VTR2 (VTG2 or VTB2). (V) 5.0 VOR1=VCR2/VOG2, VOG2/VOB2, VOB2/VOR2 through respective calculation. VCR2 main contrast control characteristics (at min.) and VCR2 relative main contrast control characteristics (at min.) 1. Follow the electrical characteristic table except changing V17 to 1.0V. 2. Read the output amplitude of T.P25 (T.SP30 or T.P35) to let the 2. From the above, VT (VTR, VTG or VTB) is found by VTR (VTG, VTB)= VTR1(VTG1, VTB1)+VTR2 (VTG1, VTB1) 2 which should be used properly depending upon output pins. In measuring, use T.P25 5 VTR1,T.P30 VTG1 and T.P35 VTB1. reading be VOR3 (VOG3 or VOG3) to let it be VCR2, respective 3. Relative contrast control characteristic VCR2 is found by: VCR2=VOR3/VOG3, VOG3/VOB3, VOB3/VOR3 0.0 Output waveform of T.P25 (T.P30 and T.P35 are also the same) MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS VSCR1 sub-contrast control characteristics (at typ.) and VSCR1 relative sub-contrast control characteristics (at typ.) 1. Follow the electrical characteristics table except changing V4, V9 and V14 to 2.0V. 2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time to let the reading be VOR4 (VOG4 or VOB4). 3. Sub-contrast control characteristic VSCR1 and relative subcontrast control characteristics VSCR1 is found by: VSCR1=20log VOR4(VOG4, VOB4) 0.7 [VP-P] [VP-P] This value represents VB2. 3. For relative brightness control characteristics VB2, further, calculate difference between channels from VOR7', VOG7' or VOG7'. VB2=VOR7' =VOG7' =VOB7' VOG7' VOB7' VOR7' [mV] VB3 main brightness control characteristics (at min.) and VB3 relative main brightness control characteristics (at min.) 1. The conditions shall be as specified in the electrical characteristics table. 2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35) at this time to let the value be VOR7" (VOG7" and VOB7"). This value represents VB3. 3. For relative brightness control characteristics VB3, further, calculate difference between channels from VOR7", VOG7" and VOB7". VB3=VOR7'' =VOG7'' =VOB7'' VOG7'' VOB7'' VOR7'' [mV] VSCR1=VOR4/VOG4, VOG4/VOB4, VOB4/VOR4 VSCR2 sub-contrast control characteristics (at min.) and VSCR2 relative sub-contrast control characteristics (at min.) 1. Follow the electrical characteristics table except changing V4, V9 and V14 to 1.0V. 2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time, and let it be VOR5 (VOG5 or VOB5). 3. Relative sub-contrast control characteristics VCR2 is found by: VCR2=VOR5/VOG5, VOG5/VOB5, VOB5/VOR5 VSCR3 main and sub-brightness control characteristics (both main and sub at typ.) and VSCR3 relative main and sub-brightness control characteristics (both main and sub at typ.) 1. Follow the electrical characteristics table except changing V7 to 3.0V and V4, V9 and V14 to 3.0V. 2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time to let the reading be VOR6 (VOG6 or VOB6). VCR3=20log VOR6(VOG6, VOB6) 0.7 [VP-P] [VP-P] VSB1 sub-brightness control characteristics (at max.) and (at min.) Same as VB1 and VB1 except changing sub-brightness (V32, V27 and V22) to 5.0V or 0V. However, exclude 3. of VB1 and VB1. FC1 frequency characteristics 1 (f=50MHz at max.), Relative frequency characteristics 1 (F=50MHz at max.), FC1' frequency characteristics 1 (f=110MHz at max.), and Relative frequency characteristics (f=110MHz at max.) 1. The conditions shall be as specified in the electrical characteristics table. 2. Whilst SG3 and SG4 are used, measure the output waveform amplitude of T.P25 (T.P30 or T.P35) as given in GV and GV. 3. Now, when letting this value be: output amplitude VOR1 (VOG1 or VOB1) when SG1 is input, output amplitude VOR8 (VOG8 or VOB8) when SG3 is input, or output amplitude VOR9 (VOG9 or VOB9) when SG4 is input, frequency characteristics FC1 or FC1' is calculated from: FC1=20log VOR8(VOG8, VOB8) VOR1(VOG1, VOB1) FC1'=20log VOR9(VOG9, VOB9) VOR1(VOG1, VOB1) [VP-P] [VP-P] [VP-P] [VP-P] VCR3=VOR6/VOG6, VOG6/VOB6, VOB6/VOR6 VB1 main brightness control characteristics (at max.) and VB1 relative main brightness control characteristics (at max.) 1. The conditions shall be as specified in the electrical characteristics table. 2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35) at this time to let the value be VOR7 (VOG7 or VOB7). This value represents VB1. 3. For relative brightness control characteristics, further, calculate difference between channels from VOR7, VOG7 or VOB7. VB1=VOR7 VOG7 VOG7 VOG7 VOB7 VOB7 [mV] 4. For relative frequency bands, FC1 and FC1', calculate difference between FC1 and FC1' for each channel. FC2 frequency characteristics 2 (f=110MHz at typ.) and FC2' relative frequency characteristics 2 (f=110MHz at typ.) Same as FC1 or FC1' except reducing CONTRAST (V17) to 2.0V. FC3 frequency characteristics 3 (f=110MHz at min.) and FC3' relative frequencycharacteristics3 (f=110MHz at min.) Same as FC1 and FC1' except reducing CONTRAST (V17) to 1.0V. VB2 main brightness control characteristics (at typ.) and VB2 relative main brightness control characteristics (at typ.) 1. The conditions shall be as specified in the electrical characteristic table. 2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35) at this time to let the value be VOR7' (VOG7' or VOB7'). 6 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS C.T.1, and C.T.1' crosstalk 1 (f=50MHz) and (F=110 MHz) 1. The conditions shall be as specified in the electrical characteristics table. 2. Input SG3 (or SG4) to pin 13 2. Gradually reduce SG6 level at this time, while monitoring output (in a range of 2.0VDC), and measure SG6 level when output becomes 0V. W14 clamping pulse operating min. width Gradually reduce SG6 pulse width while monitoring output this time under the conditions of V14th. In this case as well, measure SG6 pulse width when output becomes 0V. OTr OSD pulse characteristics 1 and OTf OSD pulse characterisitics 2 1. The conditions shall be as specified in the electrical characteristics table. 2. Use an active probe to measure rise OTr and fall OTf at 10 to 90% of output pulse. Oaj1 OSD adjustment control characteristics (at max.) and Oaj1 relative OSD adjustment control characteristics (at max.) 1. The conditions shall be as specified in the electric characteristics table. 2. Read the output width of T.P25 (T.P30 or T.P35) at this time, and let the reading be VORA (VOGA or VOBA) to let it be Oaj1, respectively. 3. Relative OSD adjustment control characteristics Oaj1 is found by: Oaj1=VORA/VOGA, VOGA/VOBA, VOBA/VORA Oaj2 OSD adjustment control characteristics (at min.) and Oaj2 relative OSD adjustment control characteristics (at min.) 1. Follow the electrical characteristics table except changing V36 to 0V. 2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time, and let the reading be VORB (VOGB or VOBB) to let it be Oaj2, respectively. 3. Relative OSD adjustment control characteristics Oaj2 is found by: Oaj2=VORA/VOGA, VOGA/VOBA, VOBA/VORA OSDth OSD input threshold voltage 1. The conditions shall be as specified in the electrical characteristics table. 2. Gradually reduce SG8 level at this time, while monitoring output, and measure SG8 level when output is stopped to let the value be OSDth. V1th BLK input threshold voltage 1. The conditions shall be as specified in the electrical (R-ch) only, measure the output waveform amplitude of T.P25 (T.P30 or T.P35) at this time to let the value be VOR, VOG or VOB. 3. Crosstalk C.T.1 is found by: C.T.1=20log (C.T.1') VOG or VOB [VP-P] VOR [VP-P] [dB] C.T.2 and C.T.2' crosstalk 2 (f=50MHz) and (f=110MHz) 1. Change input pin from pin 13 (R-ch) to pin 8 (G-ch), and read output in the same manner as in the case of C.T.1 and C.T.1'. 2. Crosstalk C.T.2 is found by: C.T.2=20log (C.T.2') VOR or VOB [VP-P] VOG [VP-P] [dB] C.T.3 and C.T.3' crosstalk 3 (f=50MHz) and (f=110MHz) 1. Change input pin from pin 13 (R-ch) to pin 3 (G-ch), and read output in the same manner as in the case of C.T.1 and C.T.1'. 2. Crosstalk C.T.3 is found by: C.T.3=20log (C.T.3') VOR or VOG [VP-P] VOB [VP-P] [dB] Tr and Tf pulse characteristics 1 and pulse characteristics 2 1. The conditions shall be as specified in the electrical characteristics table. 2. Use an active probe to measure rise Tr1 and fall Tf1 at 10 to 90% of input pulse. 3. Then, measure rise Tr2 and fall Tf2 at 10 to 90% of output pulse with an active probe. 4. Pulse characteristics Tr and Tf is found by: Tr (nsec) = Tf (nsec) = (Tr2)2- (Tr1)2 (Tf2)2- (Tf1)2 100% 90% characteristics table. 2. Verify at this time that no signal is output with a timing in which output is synchronized with SG8. 3. Gradually reduce SG8 level at this time, while monitoring output, 10% 0% Tr Tf and measure SG8 level when blanking period expires to let the value be V1th. V14th clamping pulse threshold voltage 1. The conditions shall be as specified in the electrical characteristics table. 7 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS INPUT SIGNAL SG No. Signals Sine wave at an amplitude of 0.7VP-P (100 kHz, amplitude partially variable) SG1 0.7VP-P SG2 SG3 SG4 Sine wave at an amplitude of 0.7VP-P (f=10MHz) Sine wave at an amplitude of 0.7VP-P (f=50MHz) Sine wave at an amplitude of 0.7VP-P (f=110MHz) Pulse at an amplitude of 0.7VP-P(f=30kHz, duty=50%) SG5 0.7VP-P Pulse at an amplitude of 2.0VP-P and a pulse width of 3.0s (pulse width and amplitude partially variable) synchronized with the pedestal section of standard video stage wave SG6 2.0VP-P OV 3.0s 3.0s SG7 standard video stage wave Video signal at an amplitude of 0.7VP-P (f=30kHz, amplitude partially variable) Pulse at an amplitude of 4.0VP-P and a pulse width of 15s synchronized with the image section of standard video stage wave 4V SG8 BLK, OSD signal 0V 8 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS TYPICAL CHARACTERISTICS MAIN CONTRAST CONTROL VS. OUTPUT LEVEL 5 4.5 VCC=12V Input Signal : fH=40kHz All white 0.7VP-P Sub Cont =5V Main Bright=1V Sub Bright =5V Output OUTPUT LEVEl (VP-P) 4 3.5 3 2.5 2 1.5 1 0.5 0 0 1 2 3 4 5 6 680 MAIN CONTRAST VOLTAGE (V) SUB CONTRAST CONTROL VS. OUTPUT LEVEL 5 4.5 VCC=12V Input Signal : fH=40kHz All white 0.7VP-P Main Cont =5V Main Bright=1V Sub Bright =5V Output OUTPUT LEVEL (VP-P) 4 3.5 3 2.5 2 1.5 1 0.5 0 0 1 2 3 4 5 6 680 SUB CONTRAST VOLTAGE (V) OSD ADJUST VOLTAGE VS. OSD OUTPUT LEVEL 4 VCC=12V Input Singnal : fH=40kHz 5VP-P TTL Black level 2VDC 5V BLK IN OSD IN 0 OSD OUTPUT LEVEL (VP-P) 3.5 3 2.5 2 1.5 1 0.5 MEASURE 2V Output 0 -0.5 0 1 2 3 4 5 6 680 OSD ADJUST VOLTAGE (V) 9 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS MAIN BRIGHTNESS VS.OUTPUT DC LEVEL 7 Sub Bright=5V Sub Bright=Open Sub Bright=0V 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 680 VCC=12V Output OUTPUT DC LEVEl (VP-P) 6 MAIN BRIGHTNESS VOLTAGE (V) Note: It is recommended to arrange that output black level is identical on channels on channels since level in the OSD Mix area does not follow variable brightness. INPUT PULSE RESPONSE VIDEO IN : 0.7VP-P, fH=64kHz All White BLK, OSD IN : 5V TTL Video generator Astrodesign VG-819 Oscillo sccpe Probe Iwatsu SS6521(to 500MHz) Tektronix P6202A Video IN BLK, OSD IN 5V 0.7VP-P 112mV 1ns 740mV 0V 2ns 10 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS OUTPUT PULSE RESPONSE RISE AND FALL OF OUTPUT WAVEFORM (3VP-P) 5V Output 680 Output level =3VP-P Black level =2VDC 500mV 2V 2ns RISE AND FALL OF BLANKING 5V 5V 2V BLK 500mV 2V 2ns RISE AND FALL OF OSD 5V 5V 2V OSD Video IN : No input 500mV 2V 2ns 11 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATINGS) 2400 POWER DISSIPATION PD (mW) 2000 1600 1200 When mounted with standard substrates 2016 800 400 -20 0 25 50 75 85 100 125 150 OPERATING TEMPERATURE Ta (C) 12 13 680 V32 2.2 V27 2.2 680 V22 V19 33 GND VCC GND VCC GND NC 32 31 30 29 28 27 26 25 24 23 22 21 20 19 TEST CIRCUIT V36 680 2.2 36 35 34 VCC M52337SP VCC GND 4 0.01 4V SW10 a b b SW13 a b a b SW8 a SW5 V9 5 6 7 8 9 10 11 12 13 14 VCC GND VCC GND 15 16 17 18 1 2 3 SW1 0.01 0.01 V14 a SW15 V17 b a SW18 b a b SW3 SG8 a b SG6 0.01 A 100 a SG8 b MITSUBISHI ICs (Monitor) 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS Units Resistance : Cspacitance : F SW1 SG1 SG2 SG3 SG4 SG5 SG7 M52337SP 12V MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS APPLICATION EXAMPLE CRT 110V DC CLAMP 680 5V 0.01 0.01 0to5V 0.01 36 35 2.2 34 33 32 31 30 29 680 680 0 to 5V 0.01 0.01 0.01 0.01 2.2 27 26 25 24 23 22 21 0.01 2.2 28 NC 20 19 M52337SP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0 to 5V 0 to 5V 0 to 5V 0 to 5V 47 0.01 47 0.01 47 0.01 12V BLK IN INPUT (B) OSD IN (B) INPUT (G) OSD IN (G) INPUT (R) OSD IN (R) CLAMP Units Resistance : Capacitance : F 14 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS DESCRIPTION OF PIN Pin No. Name Peripheral circuit of pins Vcc DC voltage Description of function * Input 3V or more of pulse 3V or More B-ch G-ch 1V or less 1 1 BLK IN 2.5V GND 0.9mA - * Ground to GND when not in use. * 2 VCC (B-ch) VCC (G-ch) VCC (R-ch) 12 Apply identical voltage to all 3 chanels. 7 12 Vcc 2k 2k * * Clamped to about 2.5V by clamping pulse at pin 18. Input at a low impedance. 3 INPUT (B) INPUT (G) INPUT (R) CP 0.24mA 2.5V GND 8 2.5 13 Vcc 2.9k 4 * Use at 5V or less to ensure stable operation. SUB CONTRAST (B) SUB CONTRAST(G) SUB CONTRAST (R) GND 23.5k 2.5V 9 2.5 14 Vcc 13k * Input 3V or more and 5V or less of pulse. 3 to 5V 5 OSD IN (B) OSD IN (G) OSD IN (R) 10 OSD adj 1V or less - * Ground to GND when not in use. 15 GND 0.9mA 15 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS DESCRIPTION OF PIN (cont.) Pin No. 6 31 Name GND (B-ch) GND (G-ch) GND (R-ch) Peripheral circuit of pins DC voltage Description of function 11 26 GND 16 21 Vcc 1.5k * Use at 5V or less to ensure stable operation. 17 MAIN CONTRAST 23.5k 2.5V 2.5 GND 17 Vcc 48.8k 47k * Input 2.2V or more of pulse. 2.2V or More 1V or less 18 CP IN 18 - * Input at a low impedance. 2.2V 1.5V GND Vcc 20.3k B-ch G-ch 19 MAIN BRIGHTNESS 19 - GND * 20 INormally ground to GND or open. NC - 16 MITSUBISHI ICs (Monitor) M52337SP 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS DESCRIPTION OF PIN (cont.) Pin No. Name Peripheral circuit of pins Vcc DC voltage Description of function * Pull up directly to Vcc when not in use. 22 SUB BRIGHTNESS (R) SUB BRIGHTNESS (G) SUB BRIGHTNESS (B) 72k 4k 4k 27 2.8 32 2.8V GND 0.2mA Vcc 1k 23 HOLD (R) HOLD (G) HOLD (B) GND 28 Variable 33 * 24 VCC2 (R) VCC2 (G) VCC2 (B) Pin 24 Pin 28 Pin 34 * 12 Apply A power supply dedicated to output emitter follower. Apply identical voltage to all 3 channels. 29 34 * 25 OUTPUT (R) OUTPUT (G) OUTPUT (B) 50 Pin 25 Pin 30 30 Variable Resistor is necessary on the GND side. Use a necessary drive capability to set arbitrarily to provide 15mA or less. 35 Pin 35 Vcc 20k 36 OSD ADJUST 1.9k 40k 22k Apply GND 17 |
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