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 ■ 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=2kΩ,f=1kHz) ● Slew Rate ( 5V/µs typ. ) ● Package Outline DIP14,EMP14,SSOP14,DMP14 ● Bipolar Technology NJM2745M NJM2745V ■ PIN CONFIGURATION 1 14 2 13 3 12 4 11 5 10 6 9 7 8 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=25ûC ) PARAMETER Supply Voltage Commom mode Input Voltage Differential Input Voltage SYMBOL + V /V VIC VID Power Dissipation PD Output Current Operating Temperature Range Storage Temperature Range 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) UNIT V V V ± 50 -40~+85 -40~+125 mA ûC ûC mW (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 ×114.3 ×1.6mm, two layer FR-4). ■ RECOMMENDED OPERATING CONDITION PARAMETER Supply Voltage (Ta=25°C) SYMBOL + V /V MIN. ±2 SYMBOL I CC VIO IB IIO AV CMR SVR VOM VICM TEST CONDITION R S ≤ 10kΩ R L ≥2kΩ,V O =±1.5V R S ≤ 10kΩ,-2.5V ≤ V I C ≤ +2.5V + R S ≤ 10kΩ, V /V =±2V to ±7V R L ≥2kΩ CMR≥70dB MIN. 90 70 80 ±2.5 -2.5 SYMBOL GB THD VNI TEST CONDITION f=10kHz AV=20dB,VO=1Vrms,RL=2kΩ,f=1kHz RS=0Ω MIN. - PARAMETER -2- 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 TYP. 15 0.005 5 MAX. - UNIT MHz % nV/√Hz ( Ta=25ûC,V+/V-=±4.5V ) ■ TRANSIENT CHARACTERISTICS Slew Rate UNIT V ( Ta=25ûC,V+/V-=±4.5V ) ■ AC CHARACTERISTICS PARAMETER Gain Bandwidth Product Total Harmonic Distortion Input Noise Voltage MAX. ±7 ( Ta=25ûC,V+/V-=±4.5V ) ■ 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 TYP. - SYMBOL SR TEST CONDITION RL≥2kΩ MIN. - TYP. 5 MAX. - UNIT V/µs Ver.2004-11-26 NJM2745 ■ TYIPICAL CHARACTERISTICS Operating Current vs. Ambient Temperature Operating Current vs. Operating Voltage Vin=0V o 12 14 10 12 + Operating Current [mA] Operating Current [mA] No signal, Ta=25 C 8 6 4 10 8 + 6 + 4 0 0 4 6 Operating Voltage [±V] 8 -50 10 + 0 25 50 75 100 125 150 Input Offset Voltage vs. Common Mode Input Voltage Range - + V /V =±4.5V,RS=10kΩ 2 1 0 -1 -2 -3 - o V /V =±4.5V,RS=10kΩ,Ta=25 C 8 Input Offset Voltage [mV] Input Offset Voltage [mV] -25 Ambient Temperature [oC] Input Offset Voltage vs. Ambient Temperature 3 - V /V =±2.0V 2 2 - V /V =±4.5V 2 0 - V /V =±7.0V 6 4 2 0 -2 -50 -25 0 25 50 75 100 125 150 -4 Ambient Temperature [oC] -3 -2 -1 0 1 2 3 Common Mode Input Voltage Range [V] Input Offset Current vs. Ambient Temperature Input Bias Current vs. Ambient Temperature + 4 - V /V =±4.5V + 200 - V /V =±4.5V 50 Input Offset Current [nA] Input Bias Current [nA] 40 150 100 50 30 20 10 0 0 -10 -50 -25 0 25 50 75 100 o Ambient Temperature [ C] Ver.2004-11-26 125 150 -50 -25 0 25 50 75 100 125 150 o Ambient Temperature [ C] -3- NJM2745 ■ TYIPICAL CHARACTERISTICS Maximum Output Voltage vs. Operating Voltage Maximum Output Voltage vs. Load Resistance o + RL=2kΩ,Ta=25 C 10 - o V /V =±4.5V,VIN=±1V,Ta=25 C 4.5 Maximum Output Voltage [V] Maximum Output Voltage [V] 8 +VOM 6 4 2 0 -2 3.0 +VOM 1.5 0.0 -1.5 -4 -6 -VOM -VOM -3.0 -8 -10 -4.5 0 2 4 6 Operating Voltage [±V] 8 10 100 100 1K 10K 100K 1000 10000 100000 Load Resistance [Ω] Maximum Output Voltage vs. Output Current Maximum Output Voltage vs. Ambient Temperature V+/V-=±4.5V,VIN=±1V,Ta=25oC + + VOM 1.5 0.0 -1.5 -VOM -3.0 3 +VOM 1.5 0 -1.5 -VOM -3 -4.5 -4.5 1 5 10 10 Output Current [mA] 50 -50 100 100 Common Mode Rejection Ratio vs. Ambient Temperature + - 0 25 50 75 100 Ambient Temrerature [oC] 125 150 + 90 80 70 60 50 40 30 20 10 125 150 - V /V =±2.0 to ±7.0V,RS=10kΩ 110 Supply Voltage Rejection Ratio [dB] Common Mode Rejection Ratio [dB] -25 Supply Voltage Rejection Ratio vs. Ambient Temperature V /V =±4.5V,VICM =±2.5V,RS=10kΩ 100 100 90 80 70 60 50 40 30 20 10 0 0 -50 -4- - V /V =±4.5V,VIN=±1V,RL=2kΩ 4.5 Maximum Output Voltage [V] Maximum Output Voltage [V] 4.5 3.0 1M 1000000 -25 0 25 50 75 100 Ambient Temperature [oC] 125 150 -50 -25 0 25 50 75 100 Ambient Temperature [oC] Ver.2004-11-26 NJM2745 ■ TYIPICAL CHARACTERISTICS Equivarent Input Noise Voltage vs. Frequency Voltage Gain vs. Ambient Temperature + - V /V =±4.5V, VOUT=±1.5V,RL=2kΩ + Equivarent Input Noise Voltage [nV/ √ Hz] 100 Voltage Gain [dB] - o V /V =±4.5V,GV=60dB,RS=50Ω,RL=10kΩ,Ta=25 C 120 80 60 40 20 0 -50 -25 0 25 50 75 100 Ambient Temperature [oC] 125 50 40 30 20 10 0 1 150 10 100 1000 1K Frequency [Hz] THD+N vs. Output Voltage Voltage Gain/Phase vs. Frequency V+/V-=±4.5V,GV=20dB,RL=2kΩ,Ta=25oC (Correlation with Capacitive load) 0.1 + - o V /V =±4.5V,GV=40dB,RL=2kΩ,Ta=25 C 50 10000 10K 225 Gain 40 0.05 30 Voltage Gain [dB] 0.01 0.005 1kHz： ：BW=400Hz to 30kHz 20Hz： ：BW=10Hz to 30kHz 0.001 180 0.0005 135 CL=0pF 20 10 CL=10pF CL=100pF Phase 0 0.1 1 Output Voltage [Vrms] 10 45 0 -10 -45 -20 -90 -30 -135 -40 0.0001 0.01 90 Phase [Deg] THD+N [%] 20kHz： ：BW=400Hz to 80kHz 100 1000 1k -180 10000 1E+07 10k 100000 100k 1E+06 1M 10M Frequency [Hz] Voltage Gain/Phase vs. Frequency (Correlation with Ta) + 50 o Ta=-40 C Gain 40 o Ta=25 C 30 225 180 135 20 90 o Ta=85 C 10 45 o Ta=-40 C Phase 0 o Ta=25 C 0 Phase [Deg] Voltage Gain [dB] - V /V =±4.5V,GV=40dB,RL=2kΩ,CL=10pF -10 -45 -20 -90 o Ta=85 C -30 -40 100 Ver.2004-11-26 1k 1000 -135 -180 10k 100000 100k 100000 1M 10M 10000 1E+07 Frequency [Hz] 0 -5- NJM2745 ■ TYIPICAL CHARACTERISTICS Peak Gain of Voltage Follower vs. Frequency (Correlation with Ta) + Peak Gain of Voltage Followerk vs. Frequency(Correlation with Capacitive Load) - + V /V =±4.5V,GV=0dB,RL=2kΩ,CL=10pF 10 o 8 8 6 4 o Ta=25 C 2 0 -2 o Ta=-40 C -4 2 0 -4 -8 -8 100k 1.E+05 1M 1.E+06 10M 1.E+07 CL=0pF -2 -6 10k 1.E+04 CL=10pF 4 -6 -10 1k 1.E+03 CL=100pF 6 o Ta=85 C Voltage Gain [dB] Voltage Gain [dB] - V /V =±4.5V,GV=0dB,RL=2kΩ,Ta=25 C 10 -10 1k 1.E+03 10k 1.E+04 Pulse Response "Rise" (Correlation with Ta) (Correlation with Capacitive Load) - V /V =±4.5V,VIN=±2.5V,fIN=1kHz,GV=0dB,RL=2kΩ,CL=10pF + 9 2 8 1 7 0 6 VIN -1 5 -3 3 -4 2 -5 o 1 Ta=-40 C 0 Ta=85 C o -6 o Ta=25 C -7 -1 -8 -2 -9 -1.5 -1 -0.5 0 -3 0.5 1 1.5 2 2.5 3 - o V /V =±4.5V,VIN=±2.5V,fIN=1kHz,GV=0dB,RL=2kΩ,Ta=25 C 3 2 7 VIN 0 5 -2 4 -3 3 -4 1 CL=10pF -6 0 CL=56pF -7 -1 CL=100pF -8 -2 -9 3.5 -3 -1 -0.5 0 0.5 1 1.5 2 2.5 3 Pulse Response "Fall" (Correlaton with Capacitive Load) - V /V =±4.5V,VIN=±2.5V,fIN=1kHz,GV=0dB,RL=2kΩ,CL=10pF + 9 2 8 1 7 VIN 6 -2 4 -3 3 -4 2 o Ta=85 C 1 o Ta=-40 C 0 o Ta=25 C -7 -1 -8 -2 -9 -1.5 -1 -0.5 0 -3 0.5 1 1.5 Time [µsec] 4 2 2.5 3 3.5 3 - o V /V =±4.5V,VIN=±2.5V,fIN=1kHz,GV=0dB,RL=2kΩ,Ta=25 C 2 9 8 1 7 VIN 0 6 -1 5 -2 4 -3 3 CL=0pF -4 2 CL=10pF -5 1 CL=56pF -6 0 CL=100pF -7 -1 -8 -2 -9 Output Voltage [V] 5 Output Voltage [V] -1 -6 3.5 Time [µsec] Input Voltage [V] Input Voltage [V] 2 CL=0pF -5 (Correlation with Ta) -5 -6- 6 -1 Pulse Response "Fall" 0 9 8 1 Time [µsec] + 10M 1.E+07 Output Voltage [V] 4 Output Voltage [V] -2 3 1M 1.E+06 Pulse Response "Rise" Input Voltage [V] Input Voltage [V] + 3 100k 1.E+05 Frequency [Hz] Frequency [Hz] -3 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 Time [µsec] 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-