NJM2247BM NJR, NJM2247BM Datasheet
NJM2247BM
Specifications of NJM2247BM
Related parts for NJM2247BM
NJM2247BM Summary of contents
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VIDEO COLOR SUPERIMPOSER ■ GENERAL DESCRIPTION NJM2247A / B is the multi – functional color superimposer IC for video base band (Y. R – Y). Various type – – Y output signals ...
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BLOCK DIAGRAM ■ CONTROL PIN CHARACTERISTICS PIN NO. PIN FUNCTIONS (at C Inversion Inversion 12 HBF Pulse 14 NTSC / PAL 15 Clamp Pulse 16 Character Pulse 19 ...
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TEST CIRCUIT Ver.2004-02- ...
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ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ■ ELECTRICAL CHARACTERISTICS PARAMETERS SYMBOLS Operating Current Icc ...
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NJM2247A ELECTRICAL CHARACTERISTICS (CONTINUED) PARAMETERS SYMBOLS Character Output Level 1 C Non Inversion White PWY R -Y ...
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NJM2247B ELECTRICAL CHARACTERISTICS (CONTINUED) PARAMETERS SYMBOLS Character Output Level 1 C Non Inversion White PWY R -Y ...
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EQUIVALENT CIRCUIT PIN PIN NO. INSIDE EQUIVALENT CIRCUIT FUNCTION 1 Y OUT + Ver.2004-02-17 PIN PIN NO. INSIDE EQUIVALENT CIRCUIT FUNCTION out ...
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EQUIVALENT CIRCUIT PIN PIN NO. INSIDE EQUIVALENT CIRCUIT FUNCTION 10 C Inversion 11 GND 12 HBF Pulse 13 BF Level 14 NTSC / PAL - 8 - PIN PIN NO. INSIDE EQUIVALENT CIRCUIT FUNCTION 15 Clamp Pulse Character 16 ...
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INFORMATIONS Following four points are the outstanding function of the NJM2247A / B. These functions are to go through three input (Y, R – signals control by ten control pins. 1. Color Superimpose DC level ...
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APPLICATION NOTES Explanation • Control Pin Low = 0V, HIGH = Superimposed color adjustment B 5 Clamp Pulse 15 Character Pulse 16 HBF Pulse 12 BLK Pulse 20 C Inversion 10 ...
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Character Color Adjustment Superimposed color adjustment of the character can be determined in eight different colors, by choosing input levels. 4. Character Insertion Pulse informations from outside character generater shall be given input at the character ...
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C Inversion The color phase of the picture shall be inverted for one hundred and eighty degrees setting C inversion pin applied that the reference signal (burst flag) shall be inverted into one hundred and ...
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Pulse Timing The pulse input timing should be proceeded as in the following. ■ TYPICAL APPLICATION Ver.2004-02- ...
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APPLICATION This IC requires 1MΩ resistance between INPUT and GND pin for clamp type input since the minute current causes an unstable pin voltage [CAUTION] The specifications on this databook are only given for information , ...