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| NJM2526 4 INPUT 1 OUTPUT VIDEO SWITCH with ISOLATION AMP. s GENERAL DESCRIPTION The NJM2526 is a 4-input 1-output video switch with isolation amplifier. Isolation circuit removes the noise of a signal. The NJM2526 includes sync chip clamp circuit. It is suitable for the change of the composite signal, synchronized signal of the Car AV equipment s FEATURES q Operating Voltage 4.5 to 9.0V q Internal Isolation Amp. q Internal 4 input 1 output Video Switch q Syncchip Clamp q Bipolar Technology q Package Outline SSOP16 s PACKAGE OUTLINE NJM2526V s BLOCK DIAGLAM Vin4 1 16 GND SW2 VGND4 2 MUTE 15 Vout2 Vin3 3 14 MUTE VGND3 4 SW3 13 SW2 VGND1 5 12 Vout1 Vin1 6 11 SW3 SW1 VGND2 7 10 SW1 V+ 8 9 Vin2 Ver.7 -1- NJM2526 s ABOSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATING 15.0 300 -40 to +85 -40 to +125 UNIT V mW C C s RECOMMENDED OPERATING CONDITION (Ta=25C) PARAMETER Operating Voltage SYMBOL Vopr + TEST CONDITION MIN. 4.5 TYP. - MAX. 9.0 UNIT V s ELECTRICAL CHARACTERISTICS ( V =5.0V, Ta=25C) PARAMETER Operating Current Maximum Output Level Voltage Gain Frequency Characteristics Common Mode Rejection Ratio Crosstalk Between Input Differential Gain Differential Phase SW Change High Level SW Change Low Level s SW vs. INPUT/OUTPUT SW1 L L H H X X X X SW2 X X X X L L H H SW3 L L L L H H H H MUTE L H L H L H L H Vout1 Vin1 Vin1 Vin2 Vin2 Vin3 Vin3 Vin4 Vin4 Vout2 Vin1 MUTE Vin2 MUTE Vin3 MUTE Vin4 MUTE SYMBOL ICC Vom1 Gv Gf CMR CT-I DG DP VthH VthL TEST CONDITION No Signal Vin=100kHz,Sigh-Signal,THD=1%, Vin=100kHz,1.0Vp-p Sign-Signal Vin=10MHz / 1MHz ,1.0Vpp Sign-Signal Vin=20kHz,1.0Vpp Vin=4.43MHz, 1.0Vp-p Sign-Signal Vin=1.0Vp-p 10step Video Signal Vin=1.0Vp-p 10step Video Signal MIN. 2.0 -1.0 -1.0 2.0 0 TYP. 10 2.2 0 0 -50 -65 0.3 0.4 MAX. 15 1.0 1.0 + V 0.6 UNIT mA Vp-p dB dB dB dB % deg V V Ver.7 -2- NJM2526 s TEST CIRCUIT 1 VOUT2 MUTE SW2 Vout1 SW3 SW1 Vin2 VthH 2k + VthL VthH VthL 2k VthH VthL VthH VthL 75 22uF + 22uF + 4.7uF 16 15 14 13 12 11 10 9 NJM2526 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 4.7uF 4.7uF 4.7uF 4.7uF 4.7uF 4.7uF 4.7uF V+ 75 75 75 Vin4 VGND4 Vin3 VGND3 VGND1 Vin1 VGND2 Ver.7 -3- NJM2526 s TEST CIRCUIT 2 (measure on CMR) VOUT2 MUTE SW2 Vout1 SW3 SW1 Vin2 VthH 2k + VthL VthH VthL 2k VthH VthL VthH VthL 50 500k 22uF + 22uF + 4.7uF 16 15 14 13 12 11 10 9 NJM2526 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 4.7uF 4.7uF 500k 500k 4.7uF 4.7uF 4.7uF 4.7uF 500k 4.7uF + 50 50 50 1nF 10uF Vin4 VGND4 Vin3 VGND3 VGND1 Vin1 VGND2 V+ Ver.7 -4- NJM2526 s APPLICATION CIRCUIT VOUT2 MUTE SW2 VOUT1 SW3 SW1 Vin2 VthH 2k + VthL VthH VthL 2k VthH VthL VthH VthL 75 22uF + 22uF + 4.7uF 16 15 14 13 12 11 10 9 NJM2526 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 4.7uF 75 4.7uF 4.7uF 75 4.7uF 4.7uF 75 4.7uF 4.7uF 0.01uF + 10uF Vin4 VGND4 Vin3 VGND3 VGND1 Vin1 VGND2 V+ Ver.7 -5- NJM2526 s EQUIVALENT CIRCUIT Pin No. Symbol Inside Equivalent Circuit Voltage 1 3 6 9 Vin4 Vin3 Vin1 Vin2 240 1.64V 2 4 5 7 VGND4 VGND3 VGND1 VGND2 31k 1.63V 30k 8 V+ - 10 11 13 14 SW1 SW3 SW2 MUTE 8k 20k - 12 15 Vout1 Vout2 0.87V 60 - 16 GND Ver.7 -6- NJM2526 s TYPICAL CHARACTERISTICS Voltage Gain vs. Frequency (V+=5V,Vin=1Vpp) 10.0 5.0 0.0 CMR [dB] Gain [dB] -5.0 -10.0 -15.0 -20.0 -25.0 -30.0 5 10 10 6 VIN1 VIN2 VIN3 VIN4 Common Mode Rejection Ratio vs. Frequency (V+=5V,Vin=1Vpp) -30.0 -35.0 -40.0 -45.0 -50.0 -55.0 -60.0 1 10 IN1 IN3 IN2 IN4 10 Freq [Hz] 7 10 8 10 2 10 3 10 4 10 5 10 6 10 7 Freq [Hz] Supply Current vs. Supply Voltage (No Signal) 20.0 Maximum Output Voltage Swing vs. Supply Voltage (Vin=100kHz sine-signal THD=1%) 5.0 VIN1 VIN2 VIN3 VIN4 4.0 15.0 Icc [mA] Vom [V] 4 6 8 10 Vcc [V] 12 14 16 3.0 10.0 2.0 1.0 5.0 0.0 4 6 8 10 Vcc [V] 12 14 16 Voltage Gain vs. Supply Voltage (Vin=100kHz 1Vpp sine-signal) 2.0 1.5 1.0 0.5 Gv [dB] 0.0 -0.5 -1.0 -1.5 -2.0 4 6 8 10 Vcc [V] 12 14 16 VIN1 VIN2 VIN3 VIN4 Frequency vs. Supply Voltage (Vin=10MHz/1MHz 1Vpp sine-signal) 2.0 1.5 1.0 0.5 Gf [dB] 0.0 -0.5 -1.0 -1.5 -2.0 4 6 8 10 Vcc [V] 12 14 16 VIN1 VIN2 VIN3 VIN4 Ver.7 -7- NJM2526 s TYPICAL CHARACTERISTICS Common Mode Rejection ratio vs. Supply Voltage (Vin=20kHz 1Vpp) -20.0 -25.0 -30.0 CMR [dB] CT-I [dB] -35.0 -40.0 -45.0 -50.0 -55.0 -60.0 4 6 8 10 Vcc [V] 12 14 16 -80.0 -90.0 -50.0 -60.0 -70.0 VIN1 VIN2 VIN3 VIN4 Crosstalk vs. Supply Voltage (Vin=4.43MHz 1Vpp Vin1 to Vin2,3,4) VIN1->VIN2 -30.0 -40.0 VIN1->VIN3,4 4 6 8 10 Vcc [V] 12 14 16 Crosstalk vs. Supply Voltage (Vin=4.43MHz 1Vpp, Vin2 to Vin1,3,4) VIN2->VIN1 Crosstalk vs. Supply Voltage (Vin=4.43MHz 1Vpp, Vin3 to Vin1,2,4) VIN3->VIN4 VIN2->VIN3,4 -30.0 -40.0 -50.0 CT-I [dB] -60.0 -70.0 -80.0 -90.0 -30.0 -40.0 -50.0 CT-I [dB] -60.0 -70.0 -80.0 -90.0 VIN3->VIN1,2 4 6 8 10 Vcc [V] 12 14 16 4 6 8 10 Vcc [V] 12 14 16 Crosstalk vs. Supply Voltage (Vin=4.43MHz 1Vpp Vin4 to Vin1,2,3) VIN4->VIN3 Differential Gain vs. Supply Voltage (Viin=1Vpp 10Step signal) VIN4->VIN1,2 -30.0 -40.0 -50.0 CT-I [dB] -60.0 -70.0 -80.0 -90.0 3.0 2.5 2.0 DG [%] 1.5 1.0 0.5 0.0 VIN1 VIN2 VIN3 VIN4 4 6 8 10 Vcc [V] 12 14 16 4 6 8 10 Vcc [V] 12 14 16 Ver.7 -8- NJM2526 s TYPICAL CHARACTERISTICS Differential Phase vs. Supply Voltage (Vin=1Vpp 10Step signal) 3.0 2.5 2.0 DP [deg] 1.5 1.0 0.5 0.0 SW Change Voltage vs. Supply Voltage VIN1 VIN2 VIN3 VIN4 3.0 2.5 2.0 Vth [V] 1.5 1.0 0.5 0.0 SW1 SW2 SW3 MUTE 4 6 8 10 Vcc [V] 12 14 16 4 6 8 10 Vcc [V] 12 14 16 Supply Current vs. Temperature (V+=5V,No Signal) 14.0 Maximum Output Voltage Swing vs. Temperature (V+=5V,Vin=100kHz 1Vpp) 4.0 3.5 VIN1 VIN2 VIN3 VIN4 12.0 Vom [Vp-p] -40 0 40 Temp [oC] 80 120 Icc [mA] 3.0 2.5 2.0 1.5 1.0 10.0 8.0 6.0 -40 0 40 Temp [ C] o 80 120 Voltage Gain vs. Temperature (V+=5V, Vin=100kHz 1Vpp) 2.0 1.5 1.0 0.5 Gv [dB] 0.0 -0.5 -1.0 -1.5 -2.0 -40 0 40 Temp [oC] 80 VIN1 VIN2 VIN3 VIN4 Frequency vs. Temperature (V+=5V, Vin=10MHz/1MHz 1Vpp) 2.0 1.5 1.0 0.5 Gf [dB] 0.0 -0.5 -1.0 -1.5 VIN1 VIN2 VIN3 VIN4 120 -2.0 -40 0 40 Temp [oC] 80 120 Ver.7 -9- NJM2526 s TYPICAL CHARACTERISTICS Common Mode Rejection vs. Temperature (V+=5V, Vin=20kHz 1Vpp) -20.0 -30.0 -40.0 CMR [dB] -50.0 -60.0 -70.0 -80.0 -90.0 -40 0 40 Temp [oC] 80 120 CT-I [dB] VIN1 VIN2 VIN3 VIN4 Crosstalk vs. Temperature (V+=5V, Vin=4.43MHz 1Vpp, Vin1 to Vin2,3,4) VIN1->VIN2 -30.0 -40.0 -50.0 -60.0 -70.0 -80.0 -90.0 VIN1->VIN3,4 -40 0 40 Temp [oC] 80 120 Crosstalk vs. Temperature (V+=5V, Vin=4.43MHz 1Vpp, Vin2 to Vin1,3,4) VIN2->VIN1 Crosstalk vs. Temperature (V+=5V, Vin=4.43MHz 1Vpp, Vin3 to Vin1,2,4) VIN3->VIN4 VIN2->VIN3,4 -30.0 -40.0 -50.0 CT-I [dB] -60.0 -70.0 -80.0 -90.0 -30.0 -40.0 -50.0 CT-I [dB] -60.0 -70.0 -80.0 -90.0 VIN3->VIN1,2 -40 0 40 Temp [ C] o 80 120 -40 0 40 Temp [ C] o 80 120 Crosstalk vs. Temperature (V+=5V, Vin=4.43MHz 1Vpp, Vin4 to Vin1,2,3) VIN4->VIN3 VIN4->VIN1,2 Differential Gain vs. Temperature (V+=5V, Vin=1Vpp 10Step signal) VIN1 VIN2 VIN3 VIN4 -30.0 -40.0 -50.0 CT-I [dB] -60.0 -70.0 -80.0 -90.0 3.0 2.5 2.0 DG [%] 1.5 1.0 0.5 0.0 -40 0 40 Temp [oC] 80 120 -40 0 40 Temp [oC] 80 120 Ver.7 - 10 - NJM2526 s TYPICAL CHARACTERISTICS Differential Phase vs. Temperature (V+=5V, Vin=1Vpp 10Step signal) VIN1 VIN2 VIN3 VIN4 SW Change Voltage vs. Temperature (V+=5V) 3.0 2.5 2.0 Vth [V] 1.5 1.0 0.5 0.0 SW1 SW2 SW3 MUTE 3.0 2.5 2.0 DP [deg] 1.5 1.0 0.5 0.0 -40 0 40 Temp [oC] 80 120 -40 0 40 Temp [oC] 80 120 [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.7 - 11 - |
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