NJM2575

NJM2575 LOW VOLTAGE VIDEO AMPLIFIER WITH LPF sGENERAL DESCRIPTION The NJM2575 is a Low Voltage Video Amplifier contained LPF circuit, 75Ω driver to connect TV monitor directly. The mute circuit with power save function is suitable for low power design. The NJM2575 is suitable for down NJM2575F1 sPACKAGE OUTLINE sFEATURES qOperating Voltage 2.8 to 5.5V qInput Composite Video Signal 1.0Vpp qInternal Low Pass Filter qOperating Current 7.0mA typ. at Vcc=3.0V qOperating Current Power Save Mode 60uA typ.at Vcc=3.0V qBipolar Technology qPackage Outline MTP6 sBLOCK DIAGRAM V+ 6 6dB Vin 4 CLAMP LPF 75Ω Driver 2 3 Vout Vsag 5 GND 1 Power Save -1- NJM2575 sABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V+ PD Topr Tstg RATINGS 7.0 200 -40 to +85 -40 to +125 (Ta=25°C) UNIT V mW °C °C sELECTRICAL CHARACTERISTICS ( V+=3.0V,RL=150Ω,Ta=25°C) PARAMETER Operating Voltage Operating Current Operating Current at Power Save Maximum Output Voltage Swing Voltage Gain Low Pass Filter Characteristic SYMBOL Vopr ICC Isave Vom Gv No Signal Power Save Mode f=1kHz,THD=1% TEST CONDITION MIN. 2.8 2.2 6.1 -0.5 1.8 0 TYP. 3.0 7.0 60 2.4 6.5 0.0 -2.0 -12.0 0.2 0.2 +60 -40 MAX. 5.5 10.0 90 6.9 +0.5 V+ 0.3 % deg dB dB V dB UNIT V mA uA Vp-p dB Vin=100kHz,1.0Vp-p, Input Sine Signal Gfy4.5M Vin=4.5MHz/100kHz,1.0Vp-p Gfy8M Vin=8MHz/100kHz,1.0Vp-p Gfy16M Vin=16MHz/100kHz,1.0Vp-p Vin=1.0Vp-p, DG Input 10step Video Signal Vin=1.0Vp-p, DP Input 10step Video Signal Vin=1.0Vp-p, SNv 100% White Video Signal, RL=75Ω Vin=1.0Vp-p,3.58MHz, Hv Sine Video Signal, RL=75Ω VthPH active VthPL non-active Differential Gain Differential Phase S/N Ratio 2nd. Distortion SW Change Voltage High Level SW Change Voltage Low Level sCONTROL TERMINAL PARAMETER Power Save STATUS H L OPEN Power Save : OFF Power Save : ON Power Save : ON NOTE -2- NJM2575 sTEST CIRCUIT 75Ω 50Ω open input 0.1uF 0.1uF 10uF + 6 V+ 5 GND 4 Vin NJM2575 Power Save 1 + Vout 2 100uF + Vsag 3 22uF output 75Ω open 75Ω -3- NJM2575 sAPPLICATION CIRCUIT input V+ 0.1uF 10uF + 6 V+ 5 GND 75Ω 0.1uF 4 Vin NJM2575 Power Save 1 + Vout 2 33uF + Vsag 3 33uF 75Ω output V+ 0.1uF 10uF + 6 V+ 5 GND 75Ω input 0.1uF 4 Vin NJM2575 Power Save 1 + Vout 2 100uF + Vsag 3 33uF 75Ω 75Ω output2 output1 75Ω 2System Drive -4- NJM2575 sTERMINAL FUNCTION PIN No. PIN NAME DC VOLTAGE Power save EQUIVALENT CIRCUIT 1 Power save 32K Ω 48KΩ - V+ V+ 2 Vout 0.26V Vout 750Ω 25.3KΩ V+ V+ 3 Vsag - Vsag 750Ω 25.3KΩ V+ V+ V+ 4 Vin 1.10V Vin 5 6 GND V+ 3V -5- NJM2575 sTYPICAL CHARACTERISTICS Frequency Characteristic 10 0.0 Gain (dB) -10 -20 -30 -40 105 106 107 Frequency (Hz) 108 Operating Current vs. Supply Voltage 12 Operating Current at Standby State vs. Supply Voltage 120 Operating Current at Standby State Isave(uA) 10 Operating Current Icc(mA) 100 80 8 60 6 40 4 20 2 2 3 4 5 Supply Voltage V (V) + 6 7 8 0 2 3 4 5 + 6 7 8 Supply Voltage V (V) Maximum Output Voltage Swing vs. Supply Voltage 6 Maximum Output Voltage Swing Vom(Vpp) Voltage Gain vs. Supply Voltage 8 5 7.5 Voltage Gain Gv(dB) 4 7 3 6.5 2 6 1 5.5 0 2 3 4 5 + 5 6 7 8 2 3 4 5 + 6 7 8 Supply Voltage V (V) Supply Voltage V (V) -6- NJM2575 sTYPICAL CHARACTERISTICS 1.5 Low Pass Filter Characteristic1 vs. Supply Voltage (Vin=4.5MHz/100kHz) 2 Low Pass Filter Characteristic2 vs. Supply Voltage (Vin=8MHz/100kHz) LPF Characteristic1 Gfy4.5M(dB) 1 LPF Characteristic2 Gfy8M(dB) 1 0.5 0 0 -1 -0.5 -2 -1 2 3 4 5 + -3 6 7 8 2 3 4 5 + 6 7 8 Supply Voltage V (V) Supply Voltage V (V) Low Pass Filter Characteristic3 vs. Supply Voltage (Vin=16MHz/100kHz) -5 Differential Gain vs. Supply Voltage 2 LPF Characteristic3 Gfy16M(dB) Differential Gain DG(%) -10 1.5 -15 1 -20 0.5 -25 2 3 4 5 + 0 6 7 8 2 3 4 5 + 6 7 8 Supply Voltage V (V) Supply Voltage V (V) Differential Phase vs. Supply Voltage 2 90 85 Signal to Noise Ratio SNv(dB) Signal to Noise Ratio vs. Supply Voltage Differential Phase DP(deg) 1.5 80 75 70 65 60 55 1 0.5 0 2 3 4 5 + 50 6 7 8 2 3 4 5 + 6 7 8 Supply Voltage V (V) Supply Voltage V (V) -7- NJM2575 sTYPICAL CHARACTERISTICS Second Harmonic Distortion vs. Supply Voltage -20 Switching Voltage vs. Supply Voltage 1.4 VthPH VthPL Second Harmonic Distortion Hv(dB) -30 1.3 Switching Voltage Vth(V) -40 1.2 -50 1.1 -60 1 -70 0.9 -80 2 3 4 5 + 0.8 6 7 8 2 3 4 5 + 6 7 8 Supply Voltage V (V) Supply Voltage V (V) Operating Current vs. Temperature 10 Operating Current at Standby State Isave(uA) 40 Operating Current at Standby State vs. Temperature 9 Operationg Current Icc(mA) 35 8 30 7 25 6 5 -50 0 50 o 20 100 -50 0 50 o 100 Ambient Temperature Ta ( C) Ambient Temperature Ta ( C) Maximum Output Voltage Swing vs. Temperature 4 Maximum Output Voltage Swing Vom(Vpp) 3.5 7.5 3 Voltage Gain Gv(dB) 2.5 2 1.5 1 0.5 0 -50 0 50 o Voltage Gain vs. Temperature 8 7 6.5 6 5.5 100 5 -50 0 50 o 100 Ambient Temperature Ta ( C) Ambient Temperature Ta( C) -8- NJM2575 sTYPICAL CHARACTERISTICS Low Pass Filter Characteristic 1 vs. Temperature (Vin=4.5MHz/100kHz) 2 1.5 LPF Characteristic 1 Gfy4.5M(dB) 1 0.5 0 -0.5 -1 -1.5 -2 -50 0 50 100 Ambient Temperature Ta(oC) -5 -50 LPF Characteristic 2 Gfy8M(dB) -1 0 Low Pass Filter Characteristic 2 vs. Temperature (Vin=8MHz/100kHz) -2 -3 -4 0 50 o 100 Ambient Temperature Ta( C) Low Pass Filter Characteristic 3 vs. Temperature (Vin=16MHz/100kHz) -5 Differential Gain vs. Temperature 1 LPF Characteristic 3 Gfy16M(dB) 0.8 -10 Differential Gain DG(%) 0.6 0.4 -15 0.2 -20 -50 0 50 o 0 100 -50 0 50 o 100 Ambient Temperature Ta( C) Ambient Temperature Ta( C) Differential Phase vs. Temperature 1 80 0.8 Differential Phase DP(deg) Signal to Noise Ratio SNv(dB) 75 Signal to Noise Ratio vs. Temperature 0.6 70 0.4 0.2 65 0 -50 0 50 o 100 60 -50 0 50 o 100 Ambient Temperature Ta( C) Ambient Temperature Ta ( C) -9- NJM2575 sTYPICAL CHARACTERISTICS Second Harmonic Distortion vs. Temperature -40 2 Switching Voltage vs. Temperature -45 Second Harmonic Distortion Hv(dB) 1.5 Switching Voltage Vth(V) VthPH VthPL -50 -55 1 -60 0.5 -65 -70 -50 0 50 o 0 100 -50 0 50 o 100 Ambient Temperature Ta ( C) Ambient Temperature Ta( C) - 10 - NJM2575 s APPLICATION When you use a power save terminal more than by 4.0V, please put resistance of about 20kΩ into a power save terminal. I n addition, power save terminal voltage (VthH) -- in the case of below 4.0V, resistance is not required Example) q PS(VthH) ≥ 4.0V q PS(VthH) < 4.0V Power Save r VthH ≥ 4.0V r ≅ 20kΩ Power Save VthH < 4.0V VPS(VthH) VPS(VthH) [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. - 11 -