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| NJM2745 QUAD OPERATIONAL AMPLIFIER GENERAL DESCRIPTION NJM2745 is the quad operational amplifier for the audio use. Designed low noise, high gain-bandwidth, and low distortion, the NJM2745 is suitable for audio applications and active filters. PACKAGE OUTLINE NJM2745D NJM2745M FEATURES NJM2745E Operating Voltage ( 2V to 7V ) (U.D.) Low Input Noise Voltage ( 5nV/ Hz@1kHz typ. ) Wide Gain Bandwidth Product ( 15MHz typ. ) Low Distortion ( 0.005% typ. @AV=20dB,VO=1Vrms,RL=2k,f=1kHz) Slew Rate ( 5V/s typ. ) Package Outline DIP14,EMP14,SSOP14,DMP14 Bipolar Technology PIN CONFIGURATION 1 2 3 4 5 6 7 14 13 12 11 10 9 8 NJM2745V PIN ASIGNMENT 1. A OUTPUT 2. A -INPUT 3. A +INPUT + 4. V 5. B +INPUT 6. B -INPUT 7. B OUTPUT 8. C OUTPUT 9. C -INPUT 10.C +INPUT 11.V 12.D +INPUT 13.D -INPUT 14.D OUTPUT EQUIVALENT CIRCUIT ( 1/4 Shown ) Ver.2004-11-26 -1- NJM2745 ABSOLUTE MAXIMUM RATINGS ( Ta=25uC ) PARAMETER Supply Voltage Commom mode Input Voltage Differential Input Voltage Power Dissipation SYMBOL +V /V VIC VID PD IO Topr Tstg RATINGS 7.5 7.5 ( note 1) 15 ( note 1) 870(DIP14) 930(EMP14) ( note 2) 700(DMP14) ( note 2) 570(SSOP14) ( note 2) 50 -40~+85 -40~+125 UNIT V V V mW Output Current Operating Temperature Range Storage Temperature Range mA uC uC (note 1)For supply voltages less than 7.5 V, the absolute maximum input voltage is equal to the supply voltage. (note 2)Mounted on the EIA/JEDEC standard board (76.2 x114.3 x1.6mm, two layer FR-4). RECOMMENDED OPERATING CONDITION PARAMETER Supply Voltage SYMBOL +V /V MIN. 2 TYP. MAX. 7 (Ta=25C) UNIT V DC CHARACTERISTICS PARAMETER Operating Current Input Offset Voltage Input Bias Current Input Offset Current Large Signal Voltage Gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio Output Voltage Swing Input Common Mode Voltage Range SYMBOL I CC VIO IB IIO AV CMR SVR VOM VICM TEST CONDITION R S 10k MIN. 90 70 80 2.5 -2.5 ( Ta=25uC,V+/V-=4.5V ) TYP. 12 0.3 100 5 110 110 110 3 MAX. 18 3 500 200 +2.5 UNIT mA mV nA nA dB dB dB V V R L 2k,V O =1.5V R S 10k,-2.5VV I C +2.5V +R S 10k,V /V =2V to 7V R L 2k CMR70dB AC CHARACTERISTICS PARAMETER Gain Bandwidth Product Total Harmonic Distortion Input Noise Voltage SYMBOL GB THD VNI TEST CONDITION f=10kHz AV=20dB,VO=1Vrms,RL=2k,f=1kHz RS=0 MIN. - ( Ta=25uC,V+/V-=4.5V ) TYP. 15 0.005 5 MAX. UNIT MHz % nV/Hz TRANSIENT CHARACTERISTICS PARAMETER Slew Rate SYMBOL SR TEST CONDITION RL2k MIN. - ( Ta=25uC,V+/V-=4.5V ) TYP. 5 MAX. UNIT V/s -2- Ver.2004-11-26 NJM2745 TYIPICAL CHARACTERISTICS Operating Current vs. Operating Voltage No signal, Ta=25 C o Operating Current vs. Ambient Temperature Vin=0V 12 10 14 12 Operating Current [mA] Operating Current [mA] V /V =7.0V + - 8 6 4 2 0 0 2 4 6 Operating Voltage [V] 8 10 10 8 V /V =4.5V + - 6 V /V =2.0V + - 4 2 0 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [oC] Input Offset Voltage vs. Common Mode Input Voltage Range 8 V /V =4.5V,RS=10k,Ta=25 C + o Input Offset Voltage vs. Ambient Temperature 3 2 1 0 -1 -2 -3 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [oC] Input Bias Current vs. Ambient Temperature V /V =4.5V + - V /V =4.5V,RS=10k + - Input Offset Voltage [mV] Input Offset Voltage [mV] 6 4 2 0 -2 -4 -3 -2 -1 0 1 2 3 Common Mode Input Voltage Range [V] Input Offset Current vs. Ambient Temperature 50 40 V /V =4.5V + - 4 200 150 Input Offset Current [nA] -50 -25 0 25 50 75 100 o Input Bias Current [nA] 30 20 10 0 100 50 0 125 150 Ambient Temperature [ C] -10 -50 -25 0 25 50 75 100 o 125 150 Ambient Temperature [ C] Ver.2004-11-26 -3- NJM2745 TYIPICAL CHARACTERISTICS Maximum Output Voltage vs. Operating Voltage 10 8 RL=2k,Ta=25 C o Maximum Output Voltage vs. Load Resistance 4.5 3.0 1.5 0.0 V /V =4.5V,VIN=1V,Ta=25 C + o Maximum Output Voltage [V] Maximum Output Voltage [V] 6 4 2 0 -2 -4 -6 -8 +VOM +VOM -1.5 -3.0 -4.5 -VOM -VOM -10 0 2 4 6 Operating Voltage [V] 8 10 100 100 1K 10K 100K 1000 10000 100000 Load Resistance [] Maximum Output Voltage vs. Ambient Temperature 1M 1000000 Maximum Output Voltage vs. Output Current V+/V-=4.5V,VIN=1V,Ta=25oC 4.5 3.0 1.5 0.0 -1.5 -3.0 -4.5 1 5 10 10 Output Current [mA] Common Mode Rejection Ratio vs. Ambient Temperature 100 V /V =4.5V,VICM =2.5V,RS=10k + - 4.5 V /V =4.5V,VIN=1V,RL=2k + - Maximum Output Voltage [V] Maximum Output Voltage [V] + VOM 3 1.5 0 -1.5 +VOM -VOM -VOM -3 -4.5 50 100 100 -50 -25 0 25 50 75 100 Ambient Temrerature [oC] 125 150 Supply Voltage Rejection Ratio vs. Ambient Temperature 110 V /V =2.0 to 7.0V,RS=10k + - Common Mode Rejection Ratio [dB] 90 80 70 60 50 40 30 20 10 0 -50 -25 0 25 50 75 100 Ambient Temperature [oC] 125 150 Supply Voltage Rejection Ratio [dB] 100 90 80 70 60 50 40 30 20 10 0 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [oC] -4- Ver.2004-11-26 NJM2745 TYIPICAL CHARACTERISTICS Voltage Gain vs. Ambient Temperature V /V =4.5V, VOUT=1.5V,RL=2k + + Equivarent Input Noise Voltage vs. Frequency V /V =4.5V,GV=60dB,RS=50,RL=10k,Ta=25 C o 120 100 Equivarent Input Noise Voltage [nV/ Hz] 50 40 Voltage Gain [dB] 80 60 40 20 0 -50 -25 0 25 50 75 100 Ambient Temperature [oC] 125 150 30 20 10 0 1 10 100 1000 1K Frequency [Hz] 10000 10K THD+N vs. Output Voltage V+/V-=4.5V,GV=20dB,RL=2k,Ta=25oC Voltage Gain/Phase vs. Frequency (Correlation with Capacitive load) 0.1 0.05 20kHzBW=400Hz to 80kHz 50 Gain V /V =4.5V,GV=40dB,RL=2k,Ta=25 C + - o 225 180 135 40 30 Voltage Gain [dB] THD+N [%] 0.01 0.005 1kHzBW=400Hz to 30kHz 20 10 0 Phase CL=0pF CL=10pF CL=100pF 90 45 0 -45 -90 Phase [Deg] 0.001 0.0005 20HzBW=10Hz to 30kHz -10 -20 -30 -135 -180 10000 100000 1E+06 1E+07 10k 100k 1M 10M Frequency [Hz] 0.0001 0.01 -40 0.1 1 Output Voltage [Vrms] 10 100 1000 1k Voltage Gain/Phase vs. Frequency (Correlation with Ta) 50 40 Gain V /V =4.5V,GV=40dB,RL=2k,CL=10pF Ta=-40 C Ta=25 C o o + - 225 180 135 Voltage Gain [dB] 30 20 10 Phase Ta=85 C Ta=-40 C Ta=25 C o o o 90 45 0 Phase [Deg] 0 -10 -20 -30 -40 100 1k 1000 Ta=85 C o -45 -90 -135 -180 10k 100k 1M 10M 10000 100000 100000 1E+07 Frequency [Hz] 0 Ver.2004-11-26 -5- NJM2745 TYIPICAL CHARACTERISTICS Peak Gain of Voltage Follower vs. Frequency (Correlation with Ta) 10 8 6 Ta=85 C Ta=25 C o o Peak Gain of Voltage Followerk vs. Frequency(Correlation with Capacitive Load) 10 8 6 CL=100pF CL=10pF V /V =4.5V,GV=0dB,RL=2k,Ta=25 C + o V /V =4.5V,GV=0dB,RL=2k,CL=10pF + - Voltage Gain [dB] Voltage Gain [dB] 4 2 0 -2 -4 -6 -8 4 2 0 -2 -4 -6 -8 Ta=-40 C o CL=0pF -10 1k 1.E+03 10k 1.E+04 100k 1.E+05 Frequency [Hz] 1M 1.E+06 10M 1.E+07 -10 1k 1.E+03 10k 1.E+04 100k 1.E+05 Frequency [Hz] 1M 1.E+06 10M 1.E+07 Pulse Response "Rise" (Correlation with Ta) Pulse Response "Rise" (Correlation with Capacitive Load) Input Voltage [V] 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 Ta=85 C Ta=-40 C Ta=25 C o o o 8 7 VIN Input Voltage [V] 3 V /V =4.5V,VIN=2.5V,fIN=1kHz,GV=0dB,RL=2k,CL=10pF + - 9 3 2 1 0 V /V =4.5V,VIN=2.5V,fIN=1kHz,GV=0dB,RL=2k,Ta=25 C + - o 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 VIN 6 5 4 3 CL=0pF CL=10pF CL=56pF CL=100pF -1 -2 -3 -4 -5 -6 -7 -8 -9 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 Time [sec] Pulse Response "Fall" (Correlaton with Capacitive Load) Output Voltage [V] Output Voltage [V] 2 1 0 -1 -2 -3 Time [sec] Pulse Response "Fall" (Correlation with Ta) Input Voltage [V] Input Voltage [V] 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 V /V =4.5V,VIN=2.5V,fIN=1kHz,GV=0dB,RL=2k,CL=10pF + - 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 V /V =4.5V,VIN=2.5V,fIN=1kHz,GV=0dB,RL=2k,Ta=25 C + - o 9 8 7 6 5 4 3 VIN VIN Output Voltage [V] 3 2 Ta=85 C Ta=-40 C Ta=25 C o o o Output Voltage [V] CL=0pF CL=10pF CL=56pF CL=100pF 2 1 0 -1 -2 -3 1 0 -1 -2 -3 -9 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 Time [sec] Time [sec] -6- Ver.2004-11-26 NJM2745 NOTE [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.2004-11-26 -7- |
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