NJU7027

NJU7027 13μ A/ch, Rail-to-Rail Output Dual CMOS Operational Amplifier ■ GENERAL DESCRIPTION The NJU7027 is a low power, dual CMOS operational amplifier. It is tolerant to RF noise. The NJU7027 can operate from a single-supply voltage of +1.8V to +5.5V. In addition, this amplifier features Rail-to-Rail output and low input bias current (1pA). Because of these features, the NJU7027 is ideal for low side current sense amplifier. The very low supply current of the NJU7027 (13μ A/ch) makes it suitable for battery-operated application. ■ PACKAGE OUTLINE NJU7027RB1 ■ FEATURES •Low Supply Current 13μ A/ch typ. (at VDD= 5V), 12μ A/ch typ. (at VDD= 3V) 11μ A/ch typ. (at VDD= 1.8V) •Low Operating Voltage Vopr= 1.8V to 5.5V •Rail-to-Rail Output VOH=4.9V min./ VOL=0.1V max. (at VDD= 5V, RL=100kΩ) VOH=4.8V min./ VOL=0.2V max. (at VDD= 5V, IO=1mA) •Package TVSP8 •Enhanced RF Noise Immunity •CMOS Process ■ APPLICATION •Battery-operated application •Battery monitor •Current sensor •Photodiode amplification ■ PIN CONFIGURATION (Top View) 1 2 3 4 8 7 6 5 PIN FUNCTION 1. A OUTPUT 2. A -INPUT 3. A +INPUT 4. GND 5. B +INPUT 6. B –INPUT 7. B OUTPUT 8. V+ Ver.2010-10-26 -1- NJU7027 ■ ABSOLUTE MAXIMUM RATINGS (Ta=25˚C, unless otherwise noted.) PARAMETER SYMBOL RATINGS UNIT V V V mW ˚C ˚C Supply Voltage VDD +7 Input Common Mode Voltage VICM V S S -0.3 to V DD +0.3 Differential Input Voltage VID ±7 (Note1) Power Dissipation PD 410 (Note2) Operating Temperature Range T op r -40 to +85 Storage Temperature Range Tstg -55 to +125 (Note1) For supply voltage less than +7V, the absolute maximum rating is equal to the supply voltage. (Note2) EIA/JEDEC STANDARD Test board (76.2 x 114.3 x 1.6mm, 2layers, FR-4) mounting. (Note3) Do not exceed “Power dissipation: PD” in which power dissipation in IC is shown by the absolute maximum rating. See Figure “Power Dissipation Curve” when ambient temperature is over 25˚ C. Figure1 Power Dissipation Derating Curve 600 δPd=-4.1mW/ºC(Note2) Power Dissipation Pd (mW) 500 400 300 200 100 0 5 25 45 65 85 105 125 Ambient Temperature Ta (ºC) ■ RECOMMENDED OPERATING CONDITION(Ta=25˚C) PARAMETER Supply Voltage SYMBOL V DD RATING 1.8 to 5.5 UNIT V -2- Ver.2010-10-26 NJU7027 ■ ELECTRICAL CHARACTERISTICS DC CHARACTER (VDD=5V, VSS=0V, Ta=25˚C, unless otherwise noted.) PARAMETER Supply Current Input Offset Voltage Input Offset Voltage drift Input Bias Current Input Offset Current Open loop gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio Maximum Output Voltage 1 Maximum Output Voltage 2 Maximum Output Voltage 3 Common Mode Input Voltage Range SYMBOL IDD VIO ΔVio/ΔT IB B TEST CONDITION No Signal Vic=0V, RS=50Ω MIN. 70 65 70 4.9 4.9 4.8 0 TYP. 26 0.9 1.5 1 1 90 80 90 4.95 0.05 4.95 0.02 4.85 0.15 - MAX. 40 4 0.1 0.05 0.2 4.1 UNIT µA mV µV/ºC pA pA dB dB dB V V V V V V V IIO AV CMR SVR VOH1 VOL1 VOH2 VOL2 VOH3 VOL3 VICM Vo=0.5V to 4.5V, RL=100kΩ to 2.5V VICM=0V to 4.1V VDD=1.8V to 5.5V RL=100kΩ to 2.5V RL=100kΩ to 2.5V RL=100kΩ to 0V RL=100kΩ to 0V Isource=1mA Isink=1mA CMR≥65dB AC CHARACTER (VDD=5V, VSS=0V, Ta=25˚C, unless otherwise noted.) PARAMETER Gain Bandwidth Product Phase Margin Gain Margin Equivalent Input Noise Voltage Channel Separation Slew Rate SYMBOL GBW φM GM en CS SR TEST CONDITION RL=100kΩ to 2.5V, CL=20pF, f=10kHz RL=100kΩ to 2.5V, CL=20pF RL=100kΩ to 2.5V, CL=20pF f=1kHz f=1kHz GV=0dB, RL=100kΩ to 2.5V, CL=20pF, Vin=3Vpp (1V to 4V) (Note4) (Note5) GV=6dB, RF=50kΩ, RG=50kΩ, CL=20pF, Vin=2.5Vpp (1.25V to 3.75V), Vo≥4.8Vpp (Note6) GV=6dB, RF=50kΩ, RG=50kΩ, CL=20pF, Vo=4Vpp, f=100Hz (Note6) MIN. TYP. 160 80 15 50 120 0.05 MAX. UNIT kHz deg dB nV/√ Hz dB V/us Power Bandwidth PBW - 5 - kHz Total Harmonic Distortion THD - 0.01 - % (Note4) Slew rate is defined by the lower value of the rise or fall. (Note5) See figure2-1 for test circuit. (Note6) See figure2-3 for test circuit. Ver.2010-10-26 -3- NJU7027 ■ ELECTRICAL CHARACTERISTICS DC CHARACTER (VDD=3V, VSS=0V, Ta=25˚C, unless otherwise noted.) PARAMETER Supply Current Input Offset Voltage Input Offset Voltage drift Input Bias Current Input Offset Current Open loop gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio Maximum Output Voltage 1 Maximum Output Voltage 2 Maximum Output Voltage 3 Common Mode Input Voltage Range SYMBOL IDD VIO ΔVio/ΔT IB B TEST CONDITION No Signal Vic=0V, RS=50Ω MIN. 70 65 70 2.9 2.9 2.8 0 TYP. 24 0.9 1.5 1 1 90 80 90 2.95 0.05 2.95 0.02 2.85 0.15 - MAX. 36 4 0.1 0.05 0.2 2.1 UNIT µA mV µV/ºC pA pA dB dB dB V V V V V V V IIO AV CMR SVR VOH1 VOL1 VOH2 VOL2 VOH3 VOL3 VICM Vo=0.5V to 2.5V, RL=100kΩ to 1.5V VICM=0V to 2.1V VDD=1.8V to 5.5V RL=100kΩ to 1.5V RL=100kΩ to 1.5V RL=100kΩ to 0V RL=100kΩ to 0V Isource=1mA Isink=1mA CMR≥65dB AC CHARACTER (VDD=3V, VSS=0V, Ta=25˚C, unless otherwise noted.) PARAMETER Gain Bandwidth Product Phase Margin Gain Margin Equivalent Input Noise Voltage Channel Separation Slew Rate SYMBOL GBW φM GM en CS SR TEST CONDITION RL=100kΩ to 1.5V, CL=20pF, f=10kHz RL=100kΩ to 1.5V, CL=20pF RL=100kΩ to 1.5V, CL=20pF f=1kHz f=1kHz GV=0dB, RL=100kΩ to 1.5V, CL=20pF, Vin=1Vpp (1V to 2V) (Note4) (Note5) GV=6dB, RF=50kΩ, RG=50kΩ, CL=20pF, Vin=1.5Vpp (0.75V to 2.25V), Vo≥2.8Vpp (Note6) GV=6dB, RF=50kΩ, RG=50kΩ, CL=20pF, Vo=2Vpp, f=100Hz (Note6) MIN. TYP. 150 80 15 50 115 0.05 MAX. UNIT kHz deg dB nV/√ Hz dB V/us Power Bandwidth PBW - 8 - kHz Total Harmonic Distortion THD - 0.01 - % (Note4) Slew rate is defined by the lower value of the rise or fall. (Note5) See figure2-1 for test circuit. (Note6) See figure2-3 for test circuit. -4- Ver.2010-10-26 NJU7027 ■ ELECTRICAL CHARACTERISTICS DC CHARACTER (VDD=1.8V, VSS=0V, Ta=25˚C, unless otherwise noted.) PARAMETER Supply Current Input Offset Voltage Input Offset Voltage drift Input Bias Current Input Offset Current Open loop gain Common Mode Rejection Ratio Supply Voltage Rejection Ratio Maximum Output Voltage 1 Maximum Output Voltage 2 Maximum Output Voltage 3 Common Mode Input Voltage Range SYMBOL IDD VIO ΔVio/ΔT IB B TEST CONDITION No Signal Vic=0V, RS=50Ω MIN. 70 65 70 1.7 1.7 1.5 0 TYP. 22 0.9 1.5 1 1 90 80 90 1.75 0.05 1.75 0.02 1.55 0.25 - MAX. 34 4 0.1 0.05 0.3 0.9 UNIT µA mV µV/ºC pA pA dB dB dB V V V V V V V IIO AV CMR SVR VOH1 VOL1 VOH2 VOL2 VOH3 VOL3 VICM Vo=0.5V to 2.5V, RL=100kΩ to 0.9V VICM=0V to 0.9V VDD=1.8V to 5.5V RL=100kΩ to 0.9V RL=100kΩ to 0.9V RL=100kΩ to 0V RL=100kΩ to 0V Isource=0.5mA Isink=0.5mA CMR≥65dB AC CHARACTER (VDD=1.8V, VSS=0V, Ta=25˚C, unless otherwise noted.) PARAMETER Gain Bandwidth Product Phase Margin Gain Margin Equivalent Input Noise Voltage Channel Separation Slew Rate SYMBOL GBW φM GM en CS SR TEST CONDITION RL=100kΩ to 0.9V, CL=20pF, f=10kHz RL=100kΩ to 0.9V, CL=20pF RL=100kΩ to 0.9V, CL=20pF f=1kHz f=1kHz GV=0dB, RL=100kΩ to 1.5V, CL=20pF, Vin=0.5Vpp (0.3V to 0.8V) (Note4) (Note7) GV=6dB, RF=50kΩ, RG=50kΩ, CL=20pF, Vin=0.9Vpp (0V to 0.9V), Vo≥1.6Vpp (Note8) GV=6dB, RF=50kΩ, RG=50kΩ, CL=20pF, Vo=1Vpp, f=100Hz (Note8) MIN. TYP. 140 80 15 50 110 0.05 MAX. UNIT kHz deg dB nV/√ Hz dB V/us Power Bandwidth PBW - 14 - kHz Total Harmonic Distortion THD - 0.01 - % (Note4) Slew rate is defined by the lower value of the rise or fall. (Note7) See figure2-2 for test circuit. (Note8) See figure2-4 for test circuit.. Ver.2010-10-26 -5- NJU7027 ■ MEASUREMENT CIRCUITS Vin VDD Vout Vin VDD Vout RL CL RL CL VDD 2 Figure 2-1:Measurement circuit 1 Figure 2-2:Measurement circuit 2 Vin VDD Vout Vin VDD Vout CL CL RF RG VDD 2 RF RG Figure 2-3:Measurement circuit 3 Figure 2-4:Measurement circuit 4 -6- Ver.2010-10-26 NJU7027 ■ TYPICAL CHARACTERISTICS Supply Current vs. Supply Voltage (Temperature) GV=0dB Supply Current vs. Temperature (Supply Voltage) GV=0dB 30 Ta=85ºC Ta=125ºC 30 Ta=25ºC VDD=5.5V VDD=5V 25 Supply Current [μA] 20 15 25 Supply Current [μA] 20 15 10 5 0 VDD=1.8V VDD=3V Ta=-40ºC Ta=-50ºC 10 5 0 0 1 2 3 4 5 Supply Voltage [V] 6 7 -50 -25 0 25 50 75 100 Ambient Temperature [ºC] Input Offset Voltage vs. Common Mode Input Voltage (Temperature) VDD=3V 125 Input Offset Voltage vs. Temperature (Supply Voltage) VICM=VDD/2 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -50 -25 0 25 50 75 100 125 150 Ambient Temperature[ºC] VDD=5V 5.0 4.0 Input Offset Voltage[mV] VDD=1.8V VDD=3V Input Offset Voltage[mV] 3.0 Ta=-40ºC 2.0 1.0 0.0 -1.0 -2.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 Common Mode Input Voltage[V] 4.0 Ta=85ºC Ta=25ºC Input Offset Voltage Distribution VDD=3V, VICM=0V, Ta=25ºC, n=100 Input Offset Voltage Drift Distribution VDD=3V, VICM=0V, Ta=-40 to 85ºC, n=100 50 45 40 Number of Amplifier 35 30 25 20 15 10 5 0 -4.5 -3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5 Input Offset Voltage[mV] Number of Amplifier 50 45 40 35 30 25 20 15 10 5 0 -4.5 -3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5 Input Offset Voltage Drift [μV/ºC] Ver.2010-10-26 -7- NJU7027 ■ TYPICAL CHARACTERISTICS CMR vs. Temperature (Supply Voltage) 120 Common Mode Rejection Ratio [dB] 100 80 VDD=1.8V VICM=0V to VDD-0.9V SVR vs. Temperature 120 Supply Voltage Rejection Ratio [dB] 100 80 60 40 20 0 VDD=1.8V to 5.5V VDD=5V VDD=3V 60 40 20 0 -50 -25 0 25 50 75 100 Ambient Temperature [ºC] 125 -50 -25 0 25 50 75 100 Ambient Temperature [ºC] 125 Gain vs. Temperature VO=0.5V to VDD-0.5V, RL=100kΩ to VDD/2 Output Voltage vs. Output Current (Temperature) VDD=5V, VCM=2.5V 120 VDD=5V 5.0 4.5 4.0 Output Voltage [V] 3.5 3.0 2.5 2.0 1.5 1.0 0.5 Ta=85ºC Ta=25ºC Ta=-40ºC Ta=85ºC Ta=25ºC Ta=-40ºC 100 Voltage Gain [dB] 80 60 40 20 0 -50 -25 0 25 50 75 100 Ambient Temperature [ºC] 125 VDD=3V VDD=1.8V 0.0 0.001 0.01 0.1 1 10 Output Current [mA] 100 Output Voltage vs. Output Current (Temperature) VDD=3V, VCM=1.5V Output Voltage vs. Output Current (Temperature) VDD=1.8V, VCM=0.9V 3.0 2.5 Output Voltage [V] 2.0 1.5 1.0 0.5 0.0 0.001 Ta=85ºC Ta=25ºC Ta=-40ºC 1.8 Ta=85ºC 1.5 Output Voltage [V] 1.2 0.9 0.6 0.3 0.0 0.001 Ta=25ºC Ta=-40ºC Ta=85ºC Ta=25ºC Ta=-40ºC Ta=85ºC Ta=25ºC Ta=-40ºC 0.01 0.1 1 10 Output Current [mA] 100 0.01 0.1 1 10 Output Current [mA] 100 -8- Ver.2010-10-26 NJU7027 ■ TYPICAL CHARACTERISTICS Closed-Loop Gain/Phase vs. Frequency (Supply Voltage) RF=1MΩ, RG=1KΩ, RL=100KΩ, CL=20pF, Ta=25ºC Open-Loop Gain/Phase vs. Frequency (Load Capacitance) VDD=3V, RF=1MΩ, RG=1kΩ, RL=100kΩ, Ta=25ºC 60 Gain 180 VDD=5V VDD=3V 60 Gain CL=20pF CL=100pF CL=150pF 180 120 60 Phase 40 Voltage Gain [dB] 20 Phase 120 60 0 Voltage Gain [dB] 40 20 0 VDD=1.8V Phase[deg] 0 -20 -40 -60 100 VDD=5V 0 CL=20pF -60 -120 -20 -40 -60 100 CL=150pF CL=100pF -60 -120 -180 10M VDD=3V VDD=1.8V 1k 10k 100k Frequency[Hz] 1M -180 10M 1k 10k 100k Frequency[Hz] 1M THD+Noise vs. Output Voltage Voltage Noise vs. Frequency 200 175 Equivalent Input Noise Voltage [nV/√Hz] VDD=3V, GV=40dB, RF=100kΩ, RG=1kΩ, Ta=25ºC VDD=3V, Gv=6dB, RF=50kΩ, CL=20pF BW=10Hz-500kHz, Ta=25ºC 10 Total Harmonic Distortion+Noise [%] 150 125 100 75 50 25 0 1 10 100 Frequency [Hz] 1k 10k 1 0.1 0.01 f=100Hz f=20Hz 0.001 0.001 0.01 0.1 1 Output Voltage [Vrms] 10 Channel Separation vs. Frequency VDD=3V, GV=-100, RS=1k, RL=open, VO=0.5Vrms, Ta=25ºC -60 -70 Channel Separation [dB] -80 -90 -100 -110 -120 -130 -140 -150 10 100 1k 10k Frequency [Hz] 100k B to A A to B Ver.2010-10-26 -9- Phase[deg] NJU7027 ■ TYPICAL CHARACTERISTICS Pulse Response (Load Capacitance) 2.5 2.0 1.5 1.0 0.5 CL=20pF VDD=3V, Gv=0dB, RL=100kΩ, Ta=25ºC Pulse Response (Load Capacitance) VDD=3V, Gv=0dB, RL=100kΩ, Ta=25ºC 1.0 0.5 0.0 -0.5 -1.0 -1.5 2.5 2.0 INPUT 1.0 0.5 0.0 -0.5 CF=100pF OUTPUT CL=20pF INPUT 1.5 1.0 0.5 0.0 -0.5 -1.0 0.0 0.0 0.0 0.010μs/div. 0.0 0.0 0.0 0.0 0.1 CL=120pF 0.5V/div. 0.5V/div. -1.0 -1.5 -2.0 -2.5 0.0 OUTPUT CL=120pF CL=100pF -0.5 -1.0 0.0 0.0 0.0 -2.0 -2.5 0.0 μs/div. 10 0.0 0.0 0.0 0.0 0.1 - 10 - Ver.2010-10-26 NJU7027 ■ MEMO [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.2010-10-26 - 11 -