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| NJM2512 47F AC-Coupling Capacitor Low Voltage Video Driver with LPF sGENERAL DESCRIPTION The NJM2512 is a Low Voltage Video Amplifier featuring small AC-coupling Capacitor. The NJRC original Technology "ASC(Advanced SAG Correction)" realizes 47F AC-Coupling Capacitor which enables to downsize mounting space. No worrying about beat noise caused by charge-pump circuit, and over-current caused by circuit short out than Capacitor-less video driver. The NJM2512 is suitable for any video application. sFEATURES q Operating Voltage q AC-Coupling capacitor q 6dB Amplifier q 75 Driver q Internal LPF q Power-save Circuit q Bipolar Technology q Package Outline sPIN CONNECTION sPACKAGE OUTLINE NJM2512RB1 3.0 to 6.0V 47F 0dBtyp.at 4.5MHz -33dBtyp.at 19MHz TVSP8 1 2 3 4 8 7 6 5 1: SSIGV 2: VSAG 3: SREFV 4: VIN 5: GND 6: Power Save 7: VOUT + 8: V sBLOCK DIAGRAM GND V+ 6dB 75DRV VIN 0.1F 4.5MHz LPF CLAMP VOUT VSAG SREFV ASC 47F 75 + 75 SSIGV Ver.0.5 PS -1- NJM2512 sABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V + RATINGS 7.0 580(Note1) -40 to +85 -40 to +150 UNIT V mW C C PD Topr Tstg (Note1) At on a board of EIA/JEDEC specification. (114.3 x 76.2 x 1.6mm Two layers, FR-4) sRECCOMENDED OPERATING CONDITIONS (Ta=25C) PARAMETER Operating voltage SYMBOL Vopr + TEST CONDITION MIN. 3.0 TYP. - MAX. 6.0 UNIT V sELECTRICAL CHRACTERISTCS( V =3.3V, RL=150,Ta=25C) PARAMETER Supply Current Supply Current at Power Save Mode Maximum Output Level Voltage Gain Low Pass Filter Characteristic Differential Gain Differential Phase S/N Ratio SW Voltage High Level SW Voltage Low Level SW Sink Current High Level SW Sink Current Low Level s CONTROL TERMINAL PARAMETER Power Save STATUS H L OPEN Power save: OFF Power save: ON Power save: OFF MODE Active mode Non-Active mode (Mute) Non-Active mode (Mute) SYMBOL ICC Isave Vom Gv Gf4.5M Gf19 M DG DP SN VthH VthL IthH IthL No signal Power save mode Vin=100kHz,sin-signal, THD=1%, Vin=1MHz, 1.0Vp-p sin-signal Vin=4.5MHz/1MHz, 1.0Vpp sin-signal Vin=19MHz/1MHz, 1.0Vpp sin-signal Vin=1.0Vp-p 10step video signal Vin=1.0Vp-p 10step video signal 100kHz to 6MHz, Vin=1.0Vp-p 100% White Video Signal, RL=75 Active Non-Active V=5V V=0.3V TEST CONDITION MIN. 2.2 5.5 -0.6 1.8 0 TYP. 10 MAX. 15 UNIT mA 20 6.0 -0.1 -33 0.5 0.5 60 - 50 6.5 +0.4 -23 V + A Vp-p dB dB dB % deg dB V V A A 0.3 300 5 Ver.0.5 -2- NJM2512 s TEST CIRCUIT 1 SSIGV V+ 8 0.1F 0.1F 1F 68k 68k 3 2 + 47F V+ VSAG VOUT 7 + 47F SREFV PS 6 75 75 4 VIN GND 5 75 0.1F Ver.0.5 -3- NJM2512 s APPLICATION CIRCUIT1 1 SSIGV V+ 8 0.1F 0.1F 1F 68k 68k 3 2 + 47F V+ VSAG VOUT 7 + 47F SREFV PS 6 75 4 VIN GND 5 75 0.1F s APPLICATION CIRCUIT2(2-line drive) 1 SSIGV VCC 8 0.1u 0.1u 1u 36k 36k 3 2 + 47u VCC VSAG VOUT 7 + 75 75 47u SREFV PS 6 4 VIN GND 5 75 0.1u sAPPLICATION NOTE NJM2512 has possibilities that decrease in the capacitance in low-frequency band when the ceramic capacitor is used(pin7). It is a possibility that the sag is generated when the ceramic capacitor decreases capacity. Please verify it in consideration of the capacity drop of the ceramic capacitor. [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.0.5 -4- |
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