NJ2509 VIDEO SUPER INPOSER WITH Y-C MIXER GENERAL DESCRIPTION PACKAGE OUTLINE The NJU2509 is video super imposer, including Y/C mix circuit. Y-signal input terminal have sink-chip clamp function and it is applied to fixed DC level of video signal. Impose voltage is fixed internally to white level and black level, and includes 6dB amplifier. NJM2509V FEATURES Internal Y/C Mix Circuit Internal Clamp Circuit (Y Signal), Bias Circuit (C Signal) Impose voltage fixed internally to white level and black level. Internal 6dB AMP. (Input : 0.5V Output : 1.0 V ) P-P P-P Package Outline SSOP8 Bipolar Technology RECOMMENDED OPERATING CONDITION + Operating Voltage V 4.5V to 5.1V APPLICATION Video Camera BLOCK DIAGRAM NJM2509V Ver.2004-02-17 -1- NJ2509 ABSOLUTE MAXIMUM RATINGS (T = 25C) a PARAMETER SYMBOL RATINGS UNIT + Supply Voltage V 7.0 V Power Dissipation P 250 mW D Operating Temperature Range T -20 to +75 C opr Storage Temperature Range T -40 to +125 C stg + ELECTRICAL CHARACTERISTICS (V = 4.8V, T = 25C, R = 10k) a L PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Current I 5.3 7.0 8.7 mA CC Clamp Voltage V 2.4 2.5 2.6 V cmp Bias Voltage V 2.4 2.5 2.6 V bias Voltage Gain G V / V 100kHz, 0.5V Sine Wave 6.0 6.3 6.8 dB V out in P-P Frequency Characteristic G 0.5V Sine Wave vo (10MHz)/ vo (100kHz) -0.7 -0.2 +0.3 dB I P-P Background Voltage V From Pedestal Level 5.0 15.0 20.0 IRE set CHR, VOLTAGE V From Pedestal Level 65.0 75.0 85.0 IRE chr R Input Resistance in Input C - 30 - k in Differential Gain DG 0.5V , 10STEP Stair wave - - 3.0 deg P-P Differential Phasa DP 0.5V , 10STEP Stair wave - - 3.0 % P-P BACKGROUND V BACKGROUND SW : ON 2.4 - - V ch Switch Change Voltage V BACKGROUND SW : OFF - - 0.8 V cl CHR MUTE V MUTE CHRMUTE SW : ON 2.4 - - V ch Switch Change Voltage V MUTE CHRMUTE SW : OFF - - 0.8 V cl Crosstalk 1 CT1 C BACKGROUND VOLTAGE (*1) - -50 - dB in Crosstalk 2 CT2 C CHR VOLTAGE (*2) - -50 - dB in Crosstalk 3 CT3 Y BACKGROUND VOLTAGE (*1) - -50 - dB in Crosstalk 4 CT4 Y CHR VOLTAGE (*1) - -50 - dB in *1. Crosstalk : 4.43MHz. 0.5V Sine wave, V / V P-P out in Ver.2004-02-17 - 2 -