 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| MITSUMI LCD Interface MM1323 LCD Interface Monolithic IC MM1323 Outline This IC was developed for interface with digital video equipment having an LCD monitor. It can be used as interface for CPU, DSP and LCD drivers that output RGB signals after output polarity inversion and correction processing. It has a built-in post filter (5MHzLPF), 16.5dB amp and 20dB common amp. Features 1. 2. 3. 4. Built-in post filter 5MHz LPF Built-in amp GV=16.5dB Adjustable white balance Built-in common amp GVCOM=20dB Package SSOP-24 (0.8mm pitch) TSOP-24 (0.5mm pitch) Applications 1. Navigation systems 2. Digital cameras 3. Pachinko games (with color TFT) 4. Videophones, conferencing systems 5. Other game equipment Circuit Connection Diagram RGB signal after polarity inversion and correction processing MITSUMI LCD Interface MM1323 Block Diagram MITSUMI LCD Interface MM1323 Pin Description Pin no. 1 2 3 Pin name VCC2 VCC1 frpv IN Function Internal equivalent circuit diagram 4 5 RW/B CT1 BW/B CT1 White balance control 6 7 8 R IN B IN B IN RGB input 9 10 NC DC CONT IN DC control input 11 COMMON IN Common input MITSUMI LCD Interface MM1323 Pin no. 12 13 Pin name VEE DC OUT Function Internal equivalent circuit diagram DC output 14 15 Vee COMMON OUT 16 17 VCC2 DC DETECT Output detection 18 19 21 23 GND DC DETECT Output detection 20 22 24 B OUT G OUT R OUT RGB output MITSUMI LCD Interface MM1323 Electrical Characteristics Item (Except where noted otherwise, Ta=25C, VCC1=4.9V, VCC2=6.5V, VEE=-6.5V all SW ; A) Measurement conditions Min. 4.8 6.0 -7.0 Typ. 4.9 6.5 -6.5 11.5 8.5 7.0 Max. 5.0 7.0 -6.0 15.0 11.0 9.0 Units V V V mA mA mA Symbol VCC1 Operating power supply voltage VCC2 VEE ICC1 Consumption current ICC2 IEE RGB Voltage gain Voltage gain difference between channels GV GVCH No load No load No load R 16.0 16.5 17.0 SW1, SW2, SW3=B V1, V2=1.5V G 16.0 16.5 17.0 dB TP5, TP6, TP7=0.6VP-P, 100kHz sine wave Measure sine wave ratio between input signal and TP12, 13 and 14 B 16.0 16.5 17.0 Measure voltage gain difference between each RGB R-B -0.5 0.0 channel. R-G -0.5 0.0 G-B -0.5 0.0 R 4.25 G 4.25 B R G B R G B R G B R B R B 4.25 2.3 2.5 2.3 2.5 2.3 2.5 -0.2 0 -0.2 0 -0.2 0 4.0 4.0 4.0 1.5 5.0 5.0 5.0 0.5 0.5 0.5 dB Output dynamic range VODR SW1, SW2, SW3=B V1, V2=1.5V TP5, TP6, TP7=0.6VP-P 100kHz sine wave Vary input signal amplitude and measure TP12, 13 and 14 amplitude at the point where TP12, 13 and 14 signals start to saturate. Input a 0.6VP-P, 7.86kHz rectangular wave to TP5, 6 and 7, and measure TP12, 13 and 14 center voltage. Measure TP12, 13 and 14 DC voltage fluctuation when TP12, 13 and 14 load current is varied from 0 6mA. SW1, SW2, SW3=B V1, V2=1.5V TP5, TP6, TP7=0.6VP-P sweep signal For 100kHz, measure frequency when attenuated -3dB relative to TP12, 13 and 14 signals. VP-P 2.7 2.7 2.7 0.2 0.2 0.2 Output center voltage VC VOL V V Load fluctuation Frequency characteristic FC W/B Common-mode output amplitude TP1=5.0VP-P 7.86kHz rectangular wave VW/BO1 Confirm that TP12 and 14 signals are in phase with TP1, then measure amplitude. TP1=5.0VP-P 7.86kHz rectangular wave VP-P 1.5 1.5 VP-P 1.5 1.0 2.3 2.3 2.3 2.3 1.7 2.5 2.5 2.5 2.5 2.4 2.7 2.7 V 2.7 2.7 V Negative-phase output amplitude VW/BO2 Confirm that TP12 and 14 signals are reverse phase from TP1, then measure amplitude. Measure TP18 voltage, then impress that voltage on TP18. Given V1=0V, add DC voltage to TP1. Raise gradually from 0V and measure TP1 voltage when TP14 voltage goes over 2.5V. frpv input threshold voltage VT Output center voltage VC R TP1=5.0VP-P 7.86kHz rectangular wave CommonAdjust V1 and V2 within 0~1.5V (in mode B phase) and set TP12 and 14 amplitude at 1.5V. Measure TP12 and TP14 center R voltage. NegativeMeasure in the same way for V1 and V2 phase B adjusted within 1.5~3.0V (reverse phase). COMMON COMMON voltage gain COMMON output center voltage COMMON load fluctuation Center DC adjustment Output voltage L Output voltage H GVCOM SW4=B TP9=1.0VP-P 100kHz sine wave Measure ratio of input signal and TP11 sine wave. SW4=B TP9=1.0VP-P 7.86kHz rectangular wave VCO Measure TP11 center voltage. Measure TP11 DC voltage fluctuation when TP11 load VOLC current is varied from 0 100mA. 19.5 20.0 20.5 dB -0.2 -0.5 0 0 0.2 0.5 V V V V VOL VOH SW5=B, V3=0V, Measure TP10 DC voltage. SW5=B, V3=3V, Measure TP10 DC voltage. -1.3 -1.0 -0.7 3.7 4.0 4.3 MITSUMI LCD Interface MM1323 Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Allowable loss (Ta=25C) Symbol TSTG TOPR VCC-GND VEE-GND Pd Ratings -40~+125 -20~+75 8 -8 650 Units C C V V mW Measuring Circuit |
Price & Availability of MM1323
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |