cxa1854ar Sony Electronics, cxa1854ar Datasheet

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... Decoder/Driver/Timing Generator for Color LCD Panels For the availability of this product, please contact the sales office. Description The CXA1854AR designed exclusively to drive color LCD panels LCX009AK/AKB/LCX005BK/ BKB. This IC greatly reduces the number of circuits and parts required to drive LCD panels by incorporating RGB decoder functions for video signals, driver functions, and a timing generator for driving panels onto a single chip ...

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... SH2 S/H SH3 SH4 EXT SW PIC CONT HALF-H KILLER AGC H-SYNC DET DL 2 H-SKEW DET DL 1 MODE SELECT GND1 – 2 – CXA1854AR +5V V-SYNC SEP 32 TEST5 V-POS EQP COUNTER BGP HCK1 29 CLP H-CTL DECODER BLK ...

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... TEST5 I Leave this pin open. DPAL supports demodulation methods which use an external delay line during demodulation; SPAL supports methods which internally process chroma demodulation. (H: Pull up, M: Intermediate setting, L: Pull down) Description – 3 – CXA1854AR Input pin for open status ...

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... I B brightness adjustment 57 RGB-GAIN I RGB gain adjustment 58 GAMMA2 I 2 adjustment 59 GAMMA1 I 1 adjustment 60 BRIGHT I Brightness adjustment 61 CONTRAST I Contrast adjustment 62 CIN I Chroma signal input 63 R-GAIN I R gain adjustment 64 B-GAIN I B gain adjustment Description – 4 – CXA1854AR Input pin for open status ...

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... 47k 5 2.5V 50µA GND1 – 5 – CXA1854AR Description Sync input. Normally inputs the Y signal. The standard signal input level is 0.5Vp-p (up to 100% white level from the sync chip). Y signal input. The standard signal input level is 0.5Vp-p (up to 100% white level from the sync chip) ...

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... 60k 40k 40k GND1 – 6 – CXA1854AR Description External digital signal input. There are two threshold values: Vth1 (approximately 1.2V) and Vth2 (approximately 2.2V). When one of the EXT- RGB signals exceeds Vth1, all of the RGB outputs go to black level (black side clip level) ...

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... GND1 50µ 500 54 GND1 – 7 – CXA1854AR Description Color difference demodulation circuit inputs during DPAL mode. Leave this pin open for NTSC. Color difference signal is input respectively when Y/color difference input. (Standard input is 0.15Vp-p.) At this time, the bias is 3.5V. Color adjusted chroma signal is output ...

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... GND1 47k 60 4k 2.5V GND1 – 8 – CXA1854AR Description Fine adjustment for R and B signal brightness. Adjusts RGB output amplitude gain. Adjusts voltage gain change point 2. Adjusts voltage gain change point 1. RGB output brightness adjustment. It does not influence the compensation curve. ...

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... GND1 47k 2.5V GND1 – 9 – CXA1854AR Description Contrast adjustment. Video signal input when using composite input. Chroma signal input when using Y/C input. Leave this pin open when Y/color difference input. Fine adjustment for R and B signal contrast. ...

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... Input the signals shown in Fig. 1-3 to Pins 16, 17, 18 and 19 in order to set the sample-and-hold circuit to through status V52 (RESET Fig. 1-1. System reset Pin 19 Pin 18 Pin 17 Pin 16 SIG6 TP12 T > 10µs R Fig. 1-2. Horizontal AFC adjustment Fig. 1-3. S/H off input pattern – 10 – CXA1854AR GND V DD GND V DD GND V DD GND ...

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... COMP input mode 1 current value. CC Y/C input mode 1 current value. CC Y/color difference input mode 2 current value. CC current value. DD LCX009 mode current value. DD LCX005 mode V = 3.0V DD current value. DD LCX005 mode – 11 – CXA1854AR Min. Typ. Max. Unit ...

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... VOUT = level threshold H level threshold – 12 – CXA1854AR Min. Typ. Max. Unit –240 –100 –40 µA –144 –60 –24 40 100 240 µ 144 V DD –0 –1.0 0.5 V 0.6 0 ...

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... SIG8 (2.5MHz). GSHPMNY V5 = 0V, SW8 = C Settings 1 and 3 are required. = 5.0V GND Conditions Min. Typ. Max. Unit 13.5 Y/C input, 5.0 SW8 = C Composite input 2.5 (NTSC) Composite input 3.0 (PAL), SW7 = C Composite input 10 Y/C input Composite input Y/C input – 13 – CXA1854AR 16.5 19.5 dB MHz MHz MHz – ...

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... TDYCMN time rising edge of the non-reversed output. TDYCMP Conditions d/20 10 using their difference d. Y/C input SW8 = C Composite input (NTSC) Composite input (PAL), SW7 = C – 14 – CXA1854AR Min. Typ. Max. Unit –4 –2.5 – 2 –10 – mVpp ...

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... SW7 = C NTSC 350 upper limit CL = 20pF NTSC lower limit CL = 20pF PAL upper limit 350 SW7 = 16pF PAL lower limit SW7 = 16pF NTSC PAL SW7 = C – 15 – CXA1854AR – – – – –350 Hz Hz –350 ...

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... TP39, TP41 and output phase TP43 and B, respectively, and calculate difference (PAL) RBP = R – B and GBP = G – B. GBP V60 = 3.5 V, SW7 = C Conditions Min. Typ. Max. Unit 0.53 0.25 230 0.65 0.33 232 – 16 – CXA1854AR 0.63 0.73 0.32 0.39 99 109 119 deg 242 254 deg 0.75 0.85 0.40 0.47 ...

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... V 2 between this output and V V 2MX V58 = 5V and when V58 = 1.5V. V 2MN when V58 = 5V and V 2MX when V58 = 1.5V. (See Fig. 7.) Conditions 20log (VG1/0.0357 20log (VG2/0.0357 20log (VG3/0.0357) – 17 – CXA1854AR Min. Typ. Max. Unit 5.85 6.05 6.25 0 100 9.0 3.0 ± ...

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... EXTWT black level of the outputs at TP39, TP41 and TP43. RGB input SW9 = B, SW10 = B, SW11 = B Conditions Min. Typ. Max. Unit NTSC ±500 PAL ±500 SW7 = C 100 100 – 18 – CXA1854AR 2.9 3.2 3.5 µs 4.4 4.7 5.0 µ 1.0 1.2 1 ...

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... Load 30pF V3, V46, V58, V59 = 2.5V Conditions Min. Typ. Max. Unit NTSC 3.33 PAL 4.13 SW7 = C –7 2.78MHz NTSC 1.50MHz 3.23MHz –8 PAL SW7 = C 2.00MHz NTSC PAL SW7 = C 0.6 47 – 19 – CXA1854AR 3.58 3.83 MHz 4.43 4.73 MHz –3 –1 dB –23 –15 dB –3 –1 dB –20 – –35 –35 dB 0.8 1 ...

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... TD2EXT fc1 Fig. 3. BPF center frequency 90% 10% T Fig. 5. Cross-point time difference measurement condition White 1 Black Fig. 7. adjustment variable range – 20 – CXA1854AR CMAX CMAX – 3dB BPF center frequency fc1 + fc2 FOBPF = 2 fc2 f T 50% 1 Input 2 CC ...

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... SIG3 0.143V Lamp waveform 0.357V SIG4 0.143V 5-step waveform 0.15V SIG5 0.143V Waveform 0.357V 0.143V 0.179V 0.357V 0.15V 0.143V Chroma phase and burst frequency variable 1H – 21 – CXA1854AR Sine wave video signal with burst. (Amplitude and frequency are variable.) VSWEEP 0.15V ...

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... SIG8 10-step waveform 0.357V SIG9 0.143V Waveform 5µs – 22 – CXA1854AR VL amplitude is variable. VS variable: 143mV unless otherwise specified WS variable:4.7µs unless otherwise specified fH variable: 15.734kHz (NTSC) or 15.625kHz (PAL) unless otherwise specified VL VL amplitude is variable. 0.075V Frequency variable ...

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... SW7 220p (C) (D) (E) ( +5V SW3 SW5 33k SW8 10k 3300p 3.3µ – 23 – CXA1854AR + +5V 47µ 0.1µ A TEST5 TP31 TP30 HD 30 HCK1 29 TP29 TP28 HCK2 28 TP27 HST1 27 TP26 TEST4 ...

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... Description of Operation The CXA1854AR incorporates the three functions of an RGB decoder block, an RGB driver block and a timing generator (TG) block onto a single chip using BiCMOS technology. This section describes these functions and their mutual relationship. 1) Description of the overall configuration CXA1854AR Y SYNC C R-Y B-Y RGB decoder ...

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... Also, the voltage at the 2 gain change point can be changed to that shown in Fig adjusting the GAMMA2 pin (Pin 58). The drive for LCD panels can be optimized by adjusting the overall gain with these two gain change points and the RGB-GAIN pin (Pin 57 Input Fig Input Fig. 2 – 25 – CXA1854AR Input Fig. 3 ...

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... Normal scan S/H HCK SH3 S/H SH1 S/H SH4 SH2 2 + GND1)/2. In addition, the white level output is clipped by the Vsig CC – 26 – CXA1854AR Reverse scan HCK SH2 SH1 SH4 SH3 Black level limiter (reversed side) Vsig center voltage Black level limiter (non-reversed side) ...

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... SYNC and the internal H counter becomes RPD. RPD output is converted to DC error with the lag-lead filter, and then it changes the vari-cap diode capacitance and the oscillation frequency is stabilized at 702fh in the LCX005BK/BKB and 1050fh in the LCX009AK/AKB. SYNC RPD 4.7µ SYNC center – 27 – CXA1854AR /2. (See the attached DD ...

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... MODE1/MODE2: Sets the type of video signal input. MODE1 H NTSC M D-PAL L SPAL Signal input connections for each mode are noted in the RGB decoder block. LCX009 (1050fh) NTSC 16.52MHz PAL 16.41MHz MODE2 H Composite input M Y/color difference input L Y/C input – 28 – CXA1854AR ...

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... 521 537 – 29 – CXA1854AR HSW268 dummy5 Photo-shielding 2 area ...

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... CXA1854AR 1µ 1µ +5V COMP/Y IN 10k Y/C COMP 3.3µ – 30 – CXA1854AR +V DD +5V 47µ 0.1µ 32 TEST5 HCK1 29 HCK2 28 HST1 27 TEST4 26 To panel CLR VCK1 23 VCK2 ...

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... CXA1854AR 1µ 1µ +5V COMP/Y IN 10k Y/C COMP 3.3µ – 31 – CXA1854AR +V DD +5V 47µ 0.1µ TEST5 HCK1 29 HCK2 28 HST1 27 TEST4 26 To panel CLR VCK1 23 ...

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... CXA1854AR 1µ 1µ + 10k PAL NTSC 3.3µ – 32 – CXA1854AR +V DD +5V 47µ 0.1µ TEST5 HCK1 29 HCK2 28 HST1 27 TEST4 26 CLR 25 To panel EN 24 VCK1 ...

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... LQFP-64P-L061 SONY CODE LQFP064-P-1010-AY EIAJ CODE JEDEC CODE 64PIN LQFP (PLASTIC) 12.0 ± 0.2 10.0 ± 0 0.08 0.18 – 0.03 0.1 M DETAIL A PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT LEAD MATERIAL PACKAGE WEIGHT – 45 – CXA1854AR 0.15 ± 0.05 0.1 A 1.7 MAX EPOXY RESIN SOLDER PLATING 42 ALLOY 0.3g ...