NJU7029 Low Noise, Rail-to-Rail Output Dual CMOS Operational Amplifier GENERAL DESCRIPTION The NJU7029 is a CMOS operational amplifier that feature low noise as VNI=13V/Hz (typ.) @f=1kHz, low operating voltage. FET input devices provide very low input bias current and suitable for applications uses current signal such as accelerometers, shock sensors and photodiode amplifiers. FEATURES Low Noise Voltage Noise PACKAGE OUTLINE NJU7029V (SSOP8) NJU7029RB1 (TVSP8) NJU7029KU1 (ESON8) 13nV/Hz (typ.) @f=1kHz 3Vrms (max.) @f=100Hz~20kHz Easy to Use Gain Bandwidth 3MHz Slew Rate 1V/ s Isource / Isink 200A Specified for +5V, +3V and +2.2V operation CMOS Process Input Bias Current 1pA (typ.) Rail-to-Rail Output Offset Voltage Offset Voltage Drift Supply Range Supply Current Package 5mV (max.) 2V/C (typ.) 2.2V ~ 5.5V 850A /all ch (typ.) @VDD=+5V SSOP8, TVSP8, ESON8 Typical Application Circuit Application Shock sensors, Accelerometers Charge amplifiers Photodiode amplifiers Low noise signal processing applications Microphone amplifiers Charge Amplifier PIN CONFIGURATION (Top View) 1 2 A 3 B 4 NJU7029V NJU7029RB1 (Top View) 8 1 7 2 6 3 5 4 A B (Bottom View) 8 8 1 7 7 2 6 6 5 5 Exposed Pad 3 4 NJU7029KU1 1. A OUTPUT 2. A -INPUT 3. A +INPUT 4. GND 5. B +INPUT 6. B -INPUT 7. B OUTPUT 8. VDD About Exposed Pad Connect the Exposed Pad on the GND. Ver.2011-03-02 -1- NJU7029 ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VDD +7 V Common Mode Input Voltage Range VICM -0.3~+7 (Note1) V Differential Input Voltage Range VID 7 (Note1) V Power Dissipation PD SSOP8:330 (Note2) TVSP8:410 (Note2) ESON8:360 (Note2) mW Operating Temperature Range Topr -40~+85 C Storage Temperature Range Tstg -55~+125 C (Note 1) For supply voltage less than 7V, the absolute maximum input voltage is equal to the supply voltage. (Note 2) On the PCB "EIA/JEDEC (6.2x114.3x1.6mm, two layers FR-4)" Refer to following Figure 1 for a permissible loss when ambient temperature (Ta) is Ta25C. 500 SSOP8 PD=-3.3mW/C TVSP8 PD=-4.1mW/C ESON8 PD=-3.6mW/C TVSP8 Power Dissipation PD (mW) 400 ESON8 SSOP8 300 200 100 0 0 25 50 75 100 125 Ambient Temperature Ta(C) Fifure1 Power Dissipation vs. Ambient Temperature OPERATING VOLTAGE (Ta=25C) -2- PARAMETER SYMBOL Supply Voltage VDD TEST CONDITION MIN. TYP. MAX. UNIT 2.2 - 5.5 V Ver.2011-03-02 NJU7029 +5V ELECTRICAL CHARACTERISTICS DC CHARACTERISTICS (VDD=5V, Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Current IDD No Signal - 850 1150 A Input offset Voltage Input Offset Voltage Drift Input Bias Current Input Offset Current Large Signal Voltage Gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio VIO Vio/T IB IIO AV CMR SVR VOH1 VOL1 VOH2 VOL2 RL=50k to 2.5V, Vo=2.5V2V VICM=0V~4.1V 2.2VVDD5.5V RL=50k to 2.5V RL=50k to 2.5V Isource =200uA Isink=200uA 65 65 65 4.9 4.8 - 2 2 1 1 80 80 80 - 5 0.1 0.2 mV V/C pA pA dB dB dB V V V V VICM CMR65dB 0 - 4.1 V Output Voltage1 Output Voltage2 Input Common Mode Voltage Range VIN=VDD/2, Ta=-40C~+85C AC CHARACTERISTICS (VDD=5V, Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Unity Gain Frequency fT Gv=40dB, RL=50k to 2.5V, CL=10pF - 3 - MHz VNI Gv=40dB, RL=50k to 2.5V, f=1kHz, - 13 - nV/Hz VNIrms Gv=40dB, RL=50k to 2.5V BPW=100Hz~20kHz - 1.7 3 Vrms Total Harmonic Distortion THD Gv=20dB, RL=50k to 2.5V, fin=1kHz, Vout=3Vpp, BPW=400Hz~80kHz - 0.01 - % Channel separation CS f=1kHz - 130 - dB Equivalent Input Noise Voltage TRANSIENT CHARACTERISTICS (VDD=5V, Ta=25C) Ver.2011-03-02 PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Slew Rate SR Gv=0dB, RT=50 to 2.5V, RL=50k to 2.5V, CL=15pF - 1 - V/s -3- NJU7029 +3V ELECTRICAL CHARACTERISTICS DC CHARACTERISTICS (VDD=3V, Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Current IDD No Signal - 610 950 A Input offset Voltage Input Offset Voltage Drift Input Bias Current Input Offset Current Large Signal Voltage Gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio VIO Vio/T IB IIO AV CMR SVR VOH1 VOL1 VOH2 VOL2 RL=50k to 1.5V, Vo=1.5V1V VICM=0V~2.1V 2.2VVDD5.5V RL=50k to 1.5V RL=50k to 1.5V Isource =200A Isink=200A 65 65 65 2.9 2.8 - 2 2 1 1 80 80 80 - 5 0.1 0.2 mV V/deg pA pA dB dB dB V V V V VICM CMR65dB 0 - 2.1 V Output Voltage1 Output Voltage2 Input Common Mode Voltage Range VIN=VDD/2, Ta=-40C~+85C AC CHARACTERISTICS (VDD=3V, Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Unity Gain Frequency fT Gv=40dB, RL=50k to 1.5V, CL=10pF - 3 - MHz VNI Gv=40dB, RL=50k to 1.5V, f=1kHz - 13 - nV/Hz VNIrms Gv=40dB, RL=50k to 1.5V, BPW=100Hz~20kHz - 1.7 3 Vrms Total Harmonic Distortion THD Gv=20dB, RL=50k to 1.5V, fin=1kHz, Vout=1Vpp, BPW=400Hz~80kHz - 0.02 - % Channel separation CS f=1kHz - 120 - dB Equivalent Input Noise Voltage TRANSIENT CHARACTERISTICS (VDD=3V, Ta=25C) -4- PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Slew Rate SR Gv=0dB, RT=50 to 1.5V, RL=50k to 1.5V, CL=15pF - 1 - V/s Ver.2011-03-02 NJU7029 +2.2V ELECTRICAL CHARACTERISTICS DC CHARACTERISTICS (VDD=2.2V, Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Operating Current IDD No Signal - 550 890 A Input offset Voltage Input Offset Voltage Drift Input Bias Current Input Offset Current Large Signal Voltage Gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio VIO Vio/T IB IIO AV CMR SVR VOH1 VOL1 VOH2 VOL2 RL=50k to 1.5V, Vo=1.1V0.5V VICM=0V~1.3V 2.2VVDD5.5V RL=50k to 1.1V RL=50k to 1.1V Isource =200A Isink=200A 60 60 65 2.1 2.0 - 2 2 1 1 80 80 80 - 5 0.1 0.2 mV V/deg pA pA dB dB dB V V V V VICM CMR60dB 0 - 1.3 V Output Voltage1 Output Voltage2 Input Common Mode Voltage Range VIN=VDD/2, Ta=-40C~+85C AC CHARACTERISTICS (VDD=2.2V, Ta=25C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Unity Gain Frequency fT Gv=40dB, RL=50k to 1.1V, CL=10pF - 3 - MHz VNI Gv=40dB, RL=50k to 1.1V, f=1kHz - 13 - nV/Hz VNIrms Gv=40dB, RL=50k to 1.1V, BPW=100Hz~20kHz - 1.7 3 Vrms Total Harmonic Distortion THD Gv=20dB, RL=50k to 1.1V, fin=1kHz, Vout=0.5Vpp, BPW=400Hz~80kHz - 0.02 - % Channel separation CS f=1kHz - 115 - dB Equivalent Input Noise Voltage TRANSIENT CHARACTERISTICS (VDD=2.2V, Ta=25C) Ver.2011-03-02 PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Slew Rate SR Gv=0dB, RT=50 to 1.1V, RL=50k to 1.5V, CL=15pF - 1 - V/s -5- NJU7029 TYPICAL CHARACTERISTICS Supply Current vs. Supply Voltage (Temperature) Supply Current vs. Temperature (Supply Voltage) VCOM=VDD/2, No Signal 1400 1400 1200 1200 VDD=5V Ta=25C 1000 Supply Current [A] Supply Current [A] VCOM=VDD/2, No Signal 800 600 Ta=-40C 400 Ta=85C 200 1000 VDD=3V 800 600 400 VDD=2.2V 200 0 0 0 50 1 2 3 4 5 Supply Voltage [V] 6 7 -50 -25 0 25 50 75 100 Ambient Temperature [C] Input Offset Voltage Distribution VIO Drift Distribution V+/V-=1.5V, VCM=0V, Ta=25C, n=300 V+/V-=1.5V, VCM=0V, n=300 30 125 45 25 Number of Amplifiers Number of Amplifiers 40 35 30 25 20 15 10 20 15 10 5 5 0 0 -4 -3 -2 -1 0 1 2 Input Offset Voltage VIO [mV] -5 -1 0 1 2 VIO Drift [V/C] 3 4 (Temperature) V+=3V, VCOM=V+/2V 5 3 Input Offset Voltage [mV] 3 2 Ta=25oC Ta=85oC 0 -1 -2 Ta=-40oC -4 5 2 1 Ta=85oC 0 -1 -2 -3 Ta=-40oC Ta=25oC -4 -5 -5 -1 -6- -2 (Temperature) V+=5V, VCOM=V+/2V 4 -3 -3 Input Offset Voltage vs. Common Mode Input Voltage 4 1 -4 Input Offset Voltage vs. Common Mode Input Voltage 5 Input Offset Voltage [mV] 3 0 1 2 3 4 Common Mode Input Voltage [V] 5 -1 0 1 2 Common Mode Input Voltage [V] 3 Ver.2011-03-02 NJU7029 TYPICAL CHARACTERISTICS Input Offset Voltage vs. Common Mode Input Voltage CMR vs. Temperature (Temperature) V+=2.2V, VCOM=V+/2V 120 Common Mode Rejection Ratio [dB] 5 Input Offset Voltage [mV] 4 3 2 1 Ta=85oC 0 -1 -2 Ta=25oC -3 VICM=0V to V+-0.9V, VCOM=V+/2V Ta=-40oC -4 -5 V+=5V 100 80 V+=3V 60 40 20 0 -1 0 1 2 Common Mode Input Voltage [V] 3 -50 SVR vs. Temperature -25 0 25 50 75 100 Ambient Temperature [C] 125 Voltage Gain vs. Temperature V+=2.2V to 5.5V, VICM=V+/2, VCOM=V+/2V 120 VCOM=V+/2V, RL=50k to VCOM 120 100 V+=5V VOUT=VCOM2V 100 Voltage Gain [dB] Supply Voltage Rejection Ratio [dB] V+=2.2V 80 60 40 20 80 60 V+=3V VOUT=VCOM1V V+=2.2V VOUT=VCOM0.5V 40 20 0 0 -50 -25 0 25 50 75 100 Ambient Temperature [C] 125 -50 -25 0 25 50 75 100 Ambient Temperature [C] 125 Maximum Output Voltage vs. Supply Voltage (Temperature) VIN=0.5V, VCOM=0V, RL=50k 4 +VOM Output Voltage [V] 3 2 1 0 Ta=-40oC Ta=25oC Ta=85oC -1 -2 -3 -VOM -4 0 Ver.2011-03-02 0.5 1 1.5 2 2.5 + Supply VoltageV /V [V] 3 3.5 -7- NJU7029 TYPICAL CHARACTERISTICS Maximum Output Voltage vs. Load Resistance Maximum Output Voltage vs. Load Resistance (Temperature) V /V =2.5V, VIN+=0.1V, VIN-=0V, VCOM=0V (Temperature) V+/V-=1.5V, VIN+=0.1V, VIN-=0V, VCOM=0V + 2.5 - 1.5 +VOM +VOM o Ta=85 C Ta=85 C 1.0 Ta=25oC o Ta=25 C Output Voltage [V] Output Voltage [V] 1.5 o Ta=-40oC 0.5 -0.5 -1.5 0.5 Ta=-40oC 0.0 -0.5 -1.0 Ta=-40,25,85oC Ta=-40,25,85oC -VOM -VOM -2.5 -1.5 1 10 Load Resistance [k] 100 1 Maximum Output Voltage vs. Output Current (Temperature) V /V =1.1V, VIN+=0.1V, VIN-=0V, VCOM=0V (Temperature) V+=5V 1.2 - 5.0 +VOM Output Voltage [V] 0.8 Maximum Output Voltage [V] +VOM o Ta=85 C Ta=25oC 0.4 Ta=-40oC 0.0 -0.4 Ta=-40,25,85oC -0.8 Ta=-40oC 4.0 Ta=25oC 3.0 Ta=85oC 2.0 Ta=85oC 1.0 Ta=25oC -VOM Ta=-40oC -VOM -1.2 0.0 1 10 Load Resistance [k] 10 100 100 1k Output Current [A] 10k Maximum Output Voltage vs. Output Current Maximum Output Voltage vs. Output Current (Temperature) V+=3V (Temperature) V+=2.2V 3.0 2.4 2.5 o Ta=25 C 2.0 Ta=85oC 1.5 1.0 Ta=85oC o Ta=25 C 0.5 -VOM Ta=-40oC Maximum Output Voltage [V] Ta=-40oC +VOM Maximum Output Voltage [V] 100 Maximum Output Voltage vs. Load Resistance + +VOM 2.0 Ta=-40oC 1.6 Ta=25oC 1.2 Ta=85oC 0.8 Ta=85oC Ta=25oC 0.4 Ta=-40oC -VOM 0.0 0.0 10 -8- 10 Load Resistance [k] 100 1k Output Current [A] 10k 10 100 1k Output Current [A] 10k Ver.2011-03-02 NJU7029 TYPICAL CHARACTERISTICS 40dB Gain/Phase vs. Frequency (Temperature) 50 40 40 30 Ta=85oC Ta=-40oC Ta=25oC 10 0 0 -10 -45 Ta=85oC -20 -90 Ta=25oC -30 1k 10k 100k 1M Frequency [Hz] 10M 20 CL=100pF 10 CL=15pF 0 -180 100M -40 -90 CL=220pF -135 CL=100pF 1k 10k 100k 1M Frequency [Hz] 10M -180 100M THD vs. Output Voltage (Frequency) 40dB Gain/Phase vs. Frequency (Supply Voltage) 50 -45 CL=15pF -20 -30 0 CL=220pF -10 -135 Ta=-40oC -40 Phase [deg] 20 Voltage Gain [dB] 30 Voltage Gain [dB] V+=5V, VCOM=V+/2, GV=40dB, RS=50, RL=50k, Ta=25C Phase [deg] 50 40dB Gain/Phase vs. Frequency (Load Capacitance) V+=5V, VCOM=V+/2, GV=40dB, RT=50, RL=50k, CL=15pF VCOM=V+/2, GV=40dB, RS=50, RL=50k, CL=15pF, Ta=25C 10 V+/V-=2.5V, RS=600, RL=50k, Gv=20dB, BW:~80kHz, Ta=25C 40 20 V+=3V 10 V+=2.2V 0 0 + V =2.2V -10 -45 V+=5V -20 -90 + V =2.2V -30 -40 10 10k 100k 1M Frequency [Hz] 10M -180 100M 0.001 0.001 THD vs. Output Voltage (Frequency) V+/V-=1.5V, RS=600, RL=50k, Gv=20dB, BW:~80kHz, Ta=25C V+/V-=1.1V, RS=600, RL=50k, Gv=20dB, BW:~80kHz, Ta=25C 10 10 1 f=20kHz 0.1 f=20kHz 0.01 f=1kHz 0.01 0.1 1 Output Voltage [Vrms] f=1kHz f=20Hz f=20Hz Ver.2011-03-02 0.01 0.1 1 Output Voltage [Vrms] THD vs. Output Voltage (Frequency) 0.1 0.001 0.001 f=1kHz f=20Hz THD+N [%] THD+N [%] f=20kHz 0.01 1 0.01 0.1 -135 V+=3V 1k THD+N [%] 1 Phase [deg] Voltage Gain [dB] 30 10 0.001 0.001 0.01 0.1 1 Output Voltage [Vrms] 10 -9- NJU7029 TYPICAL CHARACTERISTICS Slew Rate vs. Temperature Slew Rate vs. Temperature V+/V-=2.5V, GV=0dB, RT=50, RL=50k, CL=15pF, VIN=2VPP, fIN=1kHz, VCOM=0V V+/V-=1.5V, GV=0dB, RT=50, RL=50k, CL =15pF, VIN=1VPP, fIN=1kHz, VCOM=0V 4.0 4.0 3.5 3.5 Rise Rise 3.0 Slew Rate [V/s] Slew Rate [V/s] 3.0 2.5 2.0 Fall 1.5 2.5 2.0 1.0 1.0 0.5 0.5 0.0 Fall 1.5 0.0 -50 -25 0 25 50 75 100 Ambient Temperature [C] 125 -50 -25 0 25 50 75 100 Ambient Temperature [C] 125 Slew Rate vs. Temperature Pulse Response (Load Capacitance) V+/V-=1.1V, GV=0dB, RT=50, RL=50k, CL=15pF, VIN=1VPP , fIN=1kHz, VCOM=0V V+=5V, VCOM=V+/2, VIN=4VPP, fIN=100kHz, RL=50k, Ta=25C 4.0 3.5 VIN Slew Rate [V/s] Voltage [1V/div] Rise 3.0 2.5 2.0 Fall 1.5 VOUT 1.0 CL=220pF CL=100pF 0.5 CL=15pF 0.0 -50 -25 0 25 50 75 100 Ambient Temperature [C] Time [1s/div] 125 Pulse Response (Load Capacitance) Pulse Response (Load Capacitance) V+=3V, VCOM=V+/2, VIN=2VPP, fIN=100kHz, RL=50k, Ta=25C V+=2.2V, VCOM=V+/2, VIN=1VPP, fIN=100kHz, RL=50k, Ta=25C VIN VOUT CL=220pF Voltage [0.5V/div] Voltage [0.5V/div] VIN CL=220pF CL=100pF CL=100pF CL=15pF CL=15pF Time [1s/div] - 10 - VOUT Time [1s/div] Ver.2011-03-02 NJU7029 TYPICAL CHARACTERISTICS Channel Separation vs. Frequency Channel Separation vs. Frequency VDD/VSS=1.5V, RL=50k, Gv=40dB, VO=1Vpp -100 -100 -110 -110 Channel Separation [dB] Channel Separation [dB] VDD/VSS=2.5V, RL=50k, Gv=40dB, VO=3Vpp -120 -130 BINAOUT -140 -120 BINAOUT -130 AINBOUT -140 AINBOUT -150 -150 10 100 1k 10k Frequency [Hz] 100k 10 100 1k 10k Frequency [Hz] Channel Separation vs. Frequency Voltage Noisevs. Frequency VDD/VSS=1.1V, RL=50k, Gv=40dB, VO=0.5Vpp V+/V-=2.5V, VCOM=0V, GV=40dB, RL=50k, Ta=25C -100 200 100k Equivalent Input Noise Voltage [nV/Hz] Channel Separation [dB] 180 160 -110 140 -120 120 BINAOUT -130 100 AINBOUT -140 -150 80 60 40 20 0 10 100 1k 10k Frequency [Hz] 100k 1 10 100 1k Frequency [Hz] 10k 100k [CAUTION] The specifications on this data book are only given for information, without any guarantee as regards either mistakes or omissions. The application circuits in this data book 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.2011-03-02 - 11 -