j j j j NJM2568 Video Amplifier with 75 ohms Driver GENERAL DESCRIPTION PACKAGE OUTLINE THE NJM2568 is a video amplifier with 75 ohms drivers, which includes LPF and BPF of both Y and C system. THE NJM2568 can compose the output circuit of digital video items with a little external components. It is suitable for portable items. NJM2568V FEATURES + + Operating Voltage V 1=4.5 to 5.3V,V 2=2.7 to 5.3V + Operating Current 9.5mAtyp.V =4.8V + 7.3mAtyp.V =3.0V Internal LPF,BPF Internal Clamp Discharge Bipolar Technology Package Outline SSOP14 BLOCK DIAGRAM 12 11 10 COMP. 3 3v 4.8v Vreg Blank LEVEL GCA CLAMP -6dB 6 3dB CLAMP 2 ATT LPF -6dB 75 Driver +18dB 1 8 Blank 4 LEVEL 9 DISC. 5 6 GCA 7 63dB BIAS -6dB ATT BPF 14 13 PowerSave 1.CLAMP REF 8.V SAG 2.Y 9.V IN OUT + 3.GCA CTLY/MUTE 10.V 1 + 4.CLAMP 11.V 1 + 5.DIS CTL 12.V 2 6.GND 13.GCA CTLC/POWER SAVE 7.GND 14.C IN - 1 -j j j j NJM2568 ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETERS SYMBOL RATINGS UNIT + Supply Voltage V 7.0 V Power Dissipation P 300 mW D Operating Temperature Range Topr -20 to +85 C Storage Temperature Range Tstg -40 to +125 C + + ELECTRICAL CHARACTERISTICS ( Ta=25C,V 1=4.8V,V 2=3.0V,R =150 ) L PARAMETERS SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT + Operating Current 1 I1V 1=4.8V,No Signal - 9.5 12.5 mA CC Operating Current 1 + Isave1 V 1=4.8V,Power Save - 1.6 2.1 mA (Power Save Mode) + Operating Current 2 Icc2 V 2=3.0V,No Signal - 7.3 10.0 mA Operating Current2 + Isave2 V 2=3.0V,Power Save - 0.37 0.9 mA (Power Save Mode) (Y Amplifier) Y to V ,GCACTLY=0.5V IN OUT Voltage Gain 1 Gv 1 +3.0 +6.0 +9.0 dB Y 100kHz,0.5Vp-p Sine Wave Y to V ,GCACTLY=2.5V IN OUT Voltage Gain 2 Gv 2 +13.0 +16.0 +19.0 dB Y 100kHz,0.5Vp-p Sine Wave (C Amplifier) C to V ,GCACTLY=0.5V IN OUT Voltage Gain 1 Gv 1 +3.0 +6.0 +9.0 dB C 4MHz,143mVp-p Sine Wave C to V ,GCACTLC=2.5V IN OUT Voltage Gain 2 Gv 2 +13.0 +16.0 +19.0 dB C 4MHz,143mVp-p Sine Wave (Filter Characteristics) Gf 6MHz/100kHz,100mVp-p Sine Wave -1.0 0 - dB Y6M Gf 7.2MHz/100kHz,100mVp-p Sine Wave -1.5 0 - dB Y7.2M LPF (Y ) IN Gf 20MHz/100kHz,100mVp-p Sine Wave - -30 -20 dB Y20M DL - 60 100 nsec Group Delay GD3MHz-GD6MHz Y Gf 1MHz/4MHz,100mV Sine Wave -1.0 0 - dB C1M -3.0 0 - dB Gf 1.6MHz/4MHz,100mV Sine Wave C1.6M BPF (C ) Gf 500kHz/4MHz,100mVp-p Sine Wave - -15 -10 dB IN C500k Gf 20MHz/4MHz,100mVp-p Sine Wave - -25 -10 dB C20M DL Group Delay GD3MHz-GD6MHz -60 90 nsec C (YC Delay) YC Delay T T T at 4MHz - +25 - nsec YC YOUT- COUT (Maximum Output Swing) V-OUT V 100kHz,Sine Wave,R =75 1.2 - - Vp-p OVM L (GCA Control Signal) V 1 GCA Control Voltage 0.5 - 2.5 V GC GCACTLY V 1 MUTE Voltage GND - 0.3 V GL V 2 GCA Control Voltage 0.5 - 2.5 V GC GCACTLC V 2 Power Down Voltage GND - 0.3 V GL - 2 -