cxa1645p Sony Electronics, cxa1645p Datasheet
cxa1645p
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cxa1645p Summary of contents
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... RGB Encoder For the availability of this product, please contact the sales office. Description The CXA1645P encoder IC that converts analog RGB signals to a composite video signal. This IC has various pulse generators necessary for encoding. Composite video outputs and Y/C outputs for the S terminal are obtained just by inputting composite sync, subcarrier and analog RGB signals ...
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... GND1 80k 68k Pin for switching between NTSC and PAL modes 3k NTSC: V 32k GND1 pulse monitoring output. Incapable of driving a 75 load. 129 25µ 25µ GND1 – 2 – CXA1645P/M Externally applied voltage Description , PAL: GND CC ...
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... Refer to Notes on Operation. Nos. 4 and 10 Pin to determine the internal reference current. Connect to GND via a 47k resistor. 129 50µ GND1 Internal reference voltage. Connect a decoupling capacitor of approximately 10µF. Refer to Notes on Operation, Nos. 4 and 7. GND1 – 3 – CXA1645P/M Description 0.8V): SYNC period 2.0V) ...
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... No influence on the YOUT pin. GND1 Refer to Notes on Operation, No. 8. Input resistance 1. Internal filter fo adjustment pin. Connect to GND via the following resistor according to the NTSC or PAL mode. NTSC: 20k (±1%) 129 PAL : 16k (±1%) 50µ GND1 – 4 – CXA1645P/M Description ...
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... CC 500µ Analog RGB signal outputs. Capable of driving a 75 load. 5.5k Refer to Notes on Operation, Nos. 6 and 9. 200µ GND1 GND2 Ground for RGB, composite video and Y/C output circuits. The leads to GND1 should be as short and wide as possible. – 5 – CXA1645P/M Description ...
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... F SG1 to SG3: 100% color bar input SG5 20k 1.0Vp-p (Max.) SG5: CSYNC TTL level B/C SG1 to SG3: DC direct coupling 2. 20k 1.0Vp 200kHz/5MHz Pin 9 = Clamp voltage – 6 – CXA1645P/M Min. Typ. Max. Unit Fig 0.64 0.71 0.78 Vp-p Fig –3.0 dB Fig. 3 0.26 ...
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... SIN wave, 3.58MHz SG4 5V SG5 20k 0.5Vp-p SG5: CSYNC TTL level 3.58MHz component measured. Fig. 6 SG1 to SG3: No signal, SG4: SIN wave, 4.43MHz SG4 GND SG5 16k 0.5Vp-p SG5: CSYNC TTL level – 7 – CXA1645P/M Min. Typ. Max. Unit 0.2 0.25 0.3 Vp-p 2.84 3.16 3.48 94 104 114 deg 2.65 2.95 3 ...
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... CXA1645P/M ...
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... BIN C point 0.5Vp-p CVOUT 3.58MHz (B) 4.43MHz t 2. (BN) 0.8V A point COUT Vo (BN (B) Vo (BN) K (BP (BN) Vo (BN) – 9 – CXA1645P/M 2.0V 64µs 0.8V 10µs 1.0Vp-p 1.0Vp-p 1.0Vp-p Vo (YB (YG) (YS) Vo (YR) Fig. 4 0.5Vp 3.58MHz 2.0V 64µs 0.8V 1.0Vp-p 1.0Vp-p 1.0Vp (CR) R/ (BN) ...
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... VIDEO MIX DRIVER OUT SYNC DELAY CLAMP ADD R-Y Modulator B-Y Modulator PHASE SIN-PULSE SHIFTER SCIN Metal film resistor ±1% – 10 – CXA1645P OUT 220µ 47k 0.1µ 10µ DRIVER REGULATOR BPF PULSE GEN 0.1µ ...
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... Pin 15 as the C signal. At the same time, Y and C signals are mixed and output from Pin 20 as the composite video signal. Burst Signal The CXA1645P/M generates burst signals at the timing shown below according to the composite sync signal input. H synchronization SYNC ...
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... Notes on Operation Be careful of the following when using the CXA1645P/M. 1. This IC is designed for image processing of personal computers and video games. When using the IC in other video devices, make thorough investigations on image quality sure that analog RGB signals are input at 1.0Vp-p maximum and have low enough impedance. High impedance may affect color saturation, hue, etc ...
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... Small C Low Large 17 C Small Low L load" means that the pin can drive a capacitor +75 75 220µF PIN 75 driver pins, so oscillation is likely to occur when measures described in – 13 – CXA1645P Decide the values +75 ...
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... COPPER / 42 ALLOY DIP024-P-0400-A 2.0g PACKAGE WEIGHT 24PIN SOP (PLASTIC) + 0.4 15.0 – 0 0.1 0.2 – 0.05 1.27 ± 0.12 M PACKAGE STRUCTURE MOLDING COMPOUND EPOXY/PHENOL RESIN LEAD TREATMENT SOLDER PLATING SOP-24P-L01 SOP024-P-0300-A LEAD MATERIAL COPPER ALLOY / 42ALLOY 0.3g PACKAGE WEIGHT – 14 – CXA1645P/M 0° to 15° + 0.4 1.85 – 0.15 0.15 + 0.2 0.1 – 0.05 ...