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| NJM2505 SYNGLE ISOLATION AMPLIFIER s GENERAL DESCRIPTION NJM2505 is the single isolation amplifier developed by the video signal. It can remove the noise of a signal with isolation amplifier and carries in the small package (MTP5), it is suitable for the interface of the video signal of a car AV system. s FEATURES q Operating Voltage 4.5 to 9.0V q Input: Sync-tip Clamp q Common Mode Noise Rejection Ratio -55dBtyp. q Voltage Gain 0dBtyp. q Frequency Characteristics 0dBtyp.at 10MHz q Bipolar Technology q Package MTP5 s PIN CONFIGURATION 1 5 s PACKAGE OUTLINE NJM2505F 1: Vout 2: GND 3: V+ 2 3 4 4: Vin 5: VGND s BLOCK DIAGRAM Vout GND 1 5 VGND 2 V+ 3 4 Vin Ver.2 -1- NJM2505 s ABSOLUTE MAXIMUM RATINGS(Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATINGS 15.0 200 -40 to +85 -40 to +125 UNIT V MW C C s RECOMMENDED OPERATING CONDITION(Ta=25C) PARAMETER Operating Voltage Range + SYMBOL Vopr TEST CONDITION MIN. 4.5 TYP. - MAX. 9.0 UNIT V s ELECTRICAL CHARACTERISTICS( V =5.0V, Ta=25C) PARAMETR Supply Current Maximum Output Voltage Level Voltage Gain Frequency Characteristics Common Mode Noise Rejection Ratio Differential Gain Differential Phase SYMBOL ICC Vom Gv Gf CMR DG DP TEST CONDITION No Signal Vin=100kHz,Sin-Signal,THD=1%, Vin=100kHz,1.0Vp-p,Sin-Signal Vin=10MHz / 1MHz ,1.0VppSin-Signal Vin=20KHz,Vin=1Vpp Vin=1.0Vp-p,10step Video Signal Vin=1.0Vp-p,10step Video Signal MIN. 2.0 -1.0 -1.0 TYP. 3.0 2.2 0 0 -55 0.3 0.4 MAX. 6.0 1.0 1.0 UNIT mA Vp-p dB dB dB % deg Ver.2 -2- NJM2505 s TEST CIRCUIT VGND VIN 4.7uF + 75 4.7uF + 50 5 4 NJM2505 1 2 3 22uF + 2k VOUT s APPLICATION CIRCUIT VGND GND VCC VIN 75 Input Resistance Input Resistance + 4.7uF 4.7uF + 5 4 NJM2505 1 2 3 22uF + 2k VOUT GND VCC Ver.2 -3- NJM2505 s APPLICATION Please connect resistance to 4pin (Vin) and 5pin(VGND). When voltage gain in this IC and common mode noise rejection ratio are changed with resistance. Please choose resistance with reference to the following typical characteristics. Common Mode Noise Rejection Ratio vs. Input resistance to Vin,VGND Vin=20kHz,1Vpp 0 -10 -20 CMR(dB) -30 -40 -50 -60 -70 0 500 1000 1500 2000 2500 Input resistance tp Vin,VGND(ohm) Voltage Gain vs. Input resistance to Vin,VGND Vin=20kHz,1Vpp 1 0.8 0.6 0.4 Av(dB) 0.2 0 -0.2 -0.4 -0.6 -0.8 -1 0 500 1000 1500 2000 2500 Input resistance to Vin,VGND(ohm) Ver.2 -4- NJM2505 s EQUIVALENT CIRCUIT Pin.No Symbol Inside Equivalent Circuit Voitage 1 Vout 0.92V 80 2 3 GND V+ - - 240 4 Vin 1.67V 31k 5 VGND 1.67V 30k [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.2 -5- |
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