NJM2730 Rail-to-Rail Input/Output Single Operational Amplifier ■ GENERAL DESCRIPTION NJM2730 is a Rail-to-Rail Input/Output single operational amplifier featuring Low power, low noise and operation from 1.8V. Rail-to-Rail Input/Output provides wide dynamic range, is from ground to power supply level. In addition to ground sensing applications, NJM2730 enable to be applied to Hi-side sensing applications. The features are low noise and high phase margin for battery management, portable audio applications, and others. Furthermore NJM2730 is packaged with small size package SOT−23−5 ■ FEATURES ● Single Supply ● Operating Voltage ● Rail-to-Rail Input ● Rail-to-Rail Output ● Load Drivability ● Offset Voltage ● Slew Rate ● Low Input Voltage Noise ● Adequate phase margin ● Bipolar Technology ● Package Outline ■ PACKAGE OUTLINE NJM2730F 1.8 to 5.0V VICM= 0 to 5.0V at V+=5V VOH ≥ 4.9V/ VOL ≤ 0.1V at V+=5V,RL=20kΩ VOH ≥ 4.75V/ VOL ≤ 0.25V at V+=5V,RL=2kΩ 5mV max 0.4V/µs typ. 10nV/√Hz typ. ΦM=75deg. typ. at RL=2kΩ, voltage follower SOT−23−5 ■ PIN CONFIGURATION (Top View) IN+ 1 GND 2 IN- 3 5 V+ 4 OUT 1 NJM2730 ■ ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Differential Input Voltage Input Common Mode Voltage Range Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V+ VID VICM PD Topr Tstg (Ta=25°C) RATINGS UNIT (Note1) If the supply voltage ( V+) is less than 7V, 7.0 V the input voltage must not over the V+ level ±1.0 V through 7V is limit specified. 0 to 7.0 V 200 -40 to +85 -40 to +125 mW °C °C ■ RECOMMENDED OPERATING CONDITION PARAMETER Supply Voltage SYMBOL V+ (Ta=25°C) UNIT V RATING 1.8 to 5.0 ■ ELECTRICAL CHARACTERISTICS ● DC CHARACTERISTICS PARAMETER SYMBOL Operating Current ICC Input Offset Voltage TEST CONDITION - 320 550 µA VIO - 1 5 mV IB - 50 250 nA Input Offset Current IIO - 5 100 nA Voltage Gain AV RL=2kΩ 60 85 - dB CMR+:2.5V≤VCM≤5.0V, CMR-: 0≤VCM≤2.5V(Note2) 55 70 - dB 70 85 - dB Input Bias Current Common Mode Rejection Ratio CMR Supply Voltage Rejection Ratio SVR Maximum Output Voltage1 Maximum Output Voltage 2 Input Common Mode Voltage Range No Signal MIN (V+=5V,Ta=25°C) TYP MAX UNIT VOH1 RL=20kΩ 4.9 4.95 - VOL1 RL=20kΩ - 0.05 0.1 VOH2 RL=2kΩ 4.75 4.85 - VOL2 RL=2kΩ - 0.15 0.25 VICM CMR>55dB 0 - 5 V V V (Note2) CMR is represented by either CMR+ or CMR- which has lower value. CMR+ is measured with 2.5V≤VCM ≤5V and CMR- is measured with 0V≤ VCM ≤ 2.5V . ● AC CHARACTERISTICS PARAMETER Unity Gain Bandwidth Phase Margin Equivalent Input Noise Voltage ● TRANSIENT CHARACTERISTICS PARAMETER Slew Rate SYMBOL TEST CONDITION MIN (V+=5V, Ta=25°C) TYP MAX UNIT fT RL=2kΩ - 1 - MHz ΦM RL=2kΩ - 75 - Deg VNI f=1kHz - 10 - SYMBOL SR TEST CONDITION RL=2kΩ MIN - nV/ √Hz (V+=5V, Ta=25°C) TYP MAX UNIT 0.4 - V/µs 2 NJM2730 ■ TERMINAL CHARACTERISTICS Equivalent Circuit Typ.DC Voltage(V) Function No. Symbol 1 +INPUT non-inverting input 3 -INPUT inverting input 4 VOUT output 3 NJM2730 ■ TYPICAL CHARACTERISTICS (Note: Rs,Rg,RL and CL are connected to V+/2 when single supply.) Operating Current vs. Operating Voltage (Temp.) Operating Current vs. Operating Voltage GV=0dB,Ta=25℃ 350 85℃ 25℃ 300 Operating Current [uA] 300 Operating Current [uA] GV=0dB 350 250 200 150 100 250 Ta=-40℃ 200 150 100 50 50 0 0 0 1 2 3 4 5 0 1 Operating Voltage [V] 5 Input Offset Voltage vs. Temperature 1.6 Input Offset Voltage[mV] 325 5V 300 275 3V 250 225 V+=1.8V 200 175 150 -50 -25 0 25 50 75 1.4 1.2 V+=1.8V 1 0.8 0.6 5V 0.4 0.2 0 -50 100 125 -25 0 0 75 -2 Input Offset Current [nA] 80 70 65 5V 55 50 + V =1.8V 45 -25 0 25 50 75 Temperature [℃] 50 75 100 125 Input Offset Current vs. Temperature Input Bias Current vs. Temperature 60 25 Temperature [℃] Temperature [℃] Input Bias Current [nA] 4 GV=0dB 350 40 -50 3 Operating Voltage [V] Operating Current vs. Temperature Operating Current [uA] 2 100 125 + V =1.8V -4 5V -6 -8 -10 -12 -14 -50 -25 0 25 50 75 100 125 Temperature [℃] 4 NJM2730 + Output Voltage vs. Load Resistance (V /V ) Output Voltage vs. Operating Voltage GV=OPEN, RL=2k, Ta=25ºC 3 GV=OPEN,Ta=25℃ 2.5 + 1.5 Output Voltage[V] Output Voltage [V] 2 - V /V =±2.5V 2.0 1 0 ±1.5V 1.0 ±0.9V 0.5 0.0 -0.5 -1 -1.0 -1.5 -2 -2.0 -3 0 ±0.5 ±1.0 ±1.5 ±2.0 Operating Voltage [V] ±2.5 -2.5 10 100 1000 10000 Load Resistance[Ω] Voltage Gain,Phase vs. Frequency (Temp.) Output Voltage vs. Load Resistance(Temp.) + V =5V,Gv =40dB,Rf=2k,Rg=20,CL=0 + V =5V,GV=OPEN 5.0 100000 60 180 4.5 3.5 3.0 2.5 25℃ 2.0 20 120 60 85℃ 0 Phase 0 Ta=-40℃ 25℃ -20 1.5 -60 85℃ 85℃ 1.0 -40 Ta=-40℃ Phase [deg] Voltage Gain Voltage Gain [dB] Output Voltage [V] Ta=-40℃ 25℃ 40 4.0 -120 0.5 0.0 -60 10 100 1000 10000 100000 Load Resistance [Ω] Frequency [Hz] Equivalent Input Noise Voltage vs. Input Resistance Equivalent Input Noise Voltage vs. Frequency + + - 25 20 15 10 5 - V /V =±2.5V,f=1kHz,GV=40dB,RG=100,RF=10k,Ta=25℃ V /V =±2.5V,GV=40dB,RS=100,RG =100,RF=10k,Ta=25℃ 60 Equivalent Input Noise Voltage [nV/√Hz] Equivalent Input Noise Voltage [nV/√Hz] 30 -180 100 1k 10k 100 1000 10000 100k 100000 1M 1E+06 10M 1E+07 100M 1E+08 50 40 30 20 10 0 0 1 10 100 1000 Frequency [Hz] 10000 10 100 1000 10000 100000 Input Resistance [Ω] 5 NJM2730 V.F.Peak vs.Frequency V.F.Peak vs.Frequency (Load C.) + V =5V,Gv=0dB,RL=2k,Ta=25℃ 10 8 8 6 1000pF 220pF Voltage Gain [dB] Voltage Gain [dB] 6 470pF 2 0 -2 CL=0pF -4 4 2 0 -8 -8 100k 100000 1M 1000000 10M 10000000 Ta=-40℃ ２５℃ -4 -6 10k 10000 85℃ -2 -6 -10 V =5V,Gv =0dB,RL=2k,CL=1nF 10 2200pF 4 (Temp.) + -10 10k 10000 100k 100000 Frequency [Hz] 1M 1000000 10M 10000000 Frequency [Hz] Supply Voltage Rejection Ratio vs. Temperature Common Mode Rejection Ratio vs. Temperature + 75 5V 70 65 60 + V =1.8V 55 50 45 40 -50 -25 0 25 50 V =5 to 1.8V 90 Supply Voltage Rejection Ratio [dB] 80 Common Mode Rejection Ratio [dB] + + Vin=V ,V /2,GND 75 Temperature [℃] 100 125 85 80 75 70 65 60 55 50 -50 -25 0 25 50 75 100 125 Temperature [℃] 6 NJM2730 Overshoot vs. Load Capacitance + Phase Margin vs. Load Capacitance V =5V,V IN=1Vp-p,f=10kHz,GV=0dB RS=50,RL=2k,Ta=25℃ 25 70 60 Phase Margin [deg] 20 Overshoot [%] V+ =5V,GV=40dB,VIN=-30dBm, Rs=50,Rg=20,Rf=2k,Ta=25℃ 15 10 OSOS+ 5 50 40 30 20 10 0 100 10000 1000 Gain Bandwidth Product vs. Load Capacitance Gain Bandwidth Product [MHz] Pulse Responce + V+=5V,GV=40dB,V IN=-30dBm, Rs=50,Rg=20,Rf=2k,Ta=25℃ 1.4 V =5V,Vin =1Vp-p,f=10kHz,GV=0dB RS=50,RL=2k,CL=0F,Ta=25℃ 1.8 4.3 1.2 0.6 3.1 Output Voltage [V] 1.4 3.9 1 0.8 0.6 0.4 0.2 2.7 1 3.5 -0.2 2.3 Input 3.1 0.6 1.9 -0.6 0.2 2.7 1.5 -1 -0.2 2.3 0.2 0 100 1.9 -0.6 1000 -1.18E0 04 10000 Pulse Responce(Rise) + -1.4 1.1 Output -9.80E20 05 Load Capacitance [pF] -7.80E40 05 -5.80E60 05 -3.80E80 05 0.7 -1.8 -1.80E100 05 Time [us] Pulse+Responce(Fall) (Temp.) V =5V,Vin=1Vp-p,f=10kHz, Gv=0dB,RS=50,RL=2k,C L=0F (Temp.) V =5V,Vin=1Vp-p,f=10kHz, Gv=0dB,RS=50,RL=2k,C L=0F 3.1 0.6 1.4 3.9 0.2 2.7 1.4 3.9 2.7 0.2 1 3.5 -0.2 2.3 1 3.5 2.3 -0.2 0.6 3.1 -0.6 1.9 Input 25℃ 1.5 -1 85℃ Ta=-40℃ 0.2 2.7 -0.2 2.3 Output Voltage [V] 1.8 4.3 Input Voltage [V] 0.6 3.1 1.8 4.3 Output Voltage [V] 10000 Load Capacitance [pF] Input Voltage [V] 1000 Load Capacitance [pF] 0.6 3.1 1.9 -0.6 Input Ta=-40℃ 1.5 -1 0.2 2.7 Input Voltage [V] 0 100 85℃ -1.4 1.1 -0.2 2.3 0.7 -1.8 1.9 -0.6 25℃ -1.4 1.1 Output Output -0.6 1.9 0 2 4 6 8 10 -9.70E-05 -9.50E-05 -9.30E-05 -9.10E-05 -8.90E-05 -8.70E-05 Time [us] 0.7 -1.8 -9.70E-05 -9.50E-05 -9.30E-05 -9.10E-05 -8.90E-05 -8.70E-05 0 2 4 6 Time [us] 8 10 7 NJM2730 Pulse Responce (Load C.) + V =5V,Vin=1Vp-p,f=10kHz,GV=0dB RS=50,RL=2k,C L=1nF,Ta=25℃ 4.3 1.8 0.6 3.1 0.2 2.7 3.5 1 -0.2 2.3 Input 3.1 0.6 -0.6 1.9 2.7 0.2 1.5 -1 2.3 -0.2 -1.4 1.1 Output 1.9 -0.6 0 Input Voltage [V] Output Voltage [V] 3.9 1.4 20 40 60 80 100 -1.8 0.7 -1.18E-04 -9.80E-05 -7.80E-05 -5.80E-05 -3.80E-05 -1.80E-05 Time [us] Pulse Responce(Fall) (Load C.) + V =5V,Vin=1Vp-p,f=10kHz,GV=0dB RS=50,RL=2k,C L=1nF,Ta=25℃ 1.8 4.3 3.9 1.4 0.2 2.7 1.4 3.9 0.2 2.7 3.5 1 -0.2 2.3 1 3.5 -0.2 2.3 3.1 0.6 -0.6 1.9 Input 0.2 2.7 1.5 -1 2.3 -0.2 Output Voltage [V] 0.6 3.1 Input Voltage [V] Output Voltage [V] 1.8 4.3 (Load C.) + V =5V,Vin=1Vp-p,f=10kHz,GV=0dB RS=50,RL=2k,C L=1nF,Ta=25℃ 0.6 3.1 0.2 2.7 -1.4 1.1 -0.2 2.3 0 2 4 6 8 10 -1.8 0.7 -0.6 1.9 -9.70E-05 -9.50E-05 -9.30E-05 -9.10E-05 -8.90E-05 -8.70E-05 Time [us] -0.6 1.9 Input 1.5 -1 -1.4 1.1 Output Output 1.9 -0.6 0.6 3.1 0 2 4 6 8 Input Voltage [V] Pulse Responce(Rise) 10 -1.8 0.7 -9.70E-05 -9.50E-05 -9.30E-05 -9.10E-05 -8.90E-05 -8.70E-05 Time [us] Sin Wave Responce V +=5V,GV=0dB,VIN=5V p-p,f=10k RS=50,RL=2k,Ta=25℃ Output Voltage [V] 8.5 5.5 Input 4.5 7.5 3.5 6.5 2.5 5.5 1.5 4.5 0.5 3.5 -0.5 2.5 -1.5 1.5 -2.5 0.5 -0.5 0 0.0 Input Voltage [V] 9.5 -3.5 Output -4.5 40 0.0 80 0.0 120 0.0 160 0.0 200 0.0 Time [us] 8 NJM2730 ■ 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. 9