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| ELM832BW CMOS Low power dual operational amplifier General description ELM832BW is low power CMOS dual operational amplifier which consists of doubly-packed ELM832B. ELM832BW makes it easy to design power circuits and is able to operate from single +1.2V source. Features * Operation from a single power source * Low voltage operation : 1.2VVdd6.0V * Low current consumption : 50A(Typ. Vdd=3.0V, 2Amp. units total) * Common-mode input voltage range : Vss to Vdd-0.3V (Vdd=1.5V) : Vss to Vdd-0.1V (Vdd=3.0V) * Output stage : Push-pull * Unity gain bandwidth : Typ. 200kHz * Package : TSSOP-8 Application * Battery-operated portable devices * Micropower signal process * Low voltage analog circuit Maximum absolute ratings Parameter Power supply voltage Input voltage Output voltage Output short circuit Power dissipation Operating temperature Storage temperature Symbol Vdd Vin Vout Pd Top Tstg Limit 10 Vss-0.3 to Vdd+0.3 Vss-0.3 to Vdd+0.3 Continuous 300 -20 to +70 -55 to +125 Unit V V V Sec. mW C C Selection guide ELM832BW-x Symbol a b c Product version Dual mark Taping direction B W : dual S, N : Refer to PKG file ELM832 B W - x ab c Standard circuit Pin configuration TSSOP-8 (TOP VIEW) Pin No. 1 2 3 4 5 6 7 8 Pin name IN-A IN+A OUTA IN+B IN-B OUTB VDD VSS $ 10 - 1 ELM832BW CMOS Low power dual operational amplifier Electrical characteristics (Vdd=1.5V) Parameter Input offset voltage Input bias current Common-mode input voltage range Maximum output voltage swing Large-signal voltage gain Common-mode rejection ratio Supply voltage rejection ratio Current consumption (2Amp.unit total) Unity gain bandwidth Slew rate Symbol Vio Iib Vcmr Vouts Avd CMRR PSRR Iss GBW SR Condition Vin+=Vdd/2, Unity gain follower For CMRR50dB Vid=100mV, RL=10k to Vss RL=10k to Vss RL=10k to Vss RL=10k to Vss Vdd=1.35V to 6.0V Vin+=Vdd/2, Unity gain follower RL=100k, CL=20pF Min. Vss=0V, Top=25C Typ. Max. Unit 6 mV nA V V 0.00 1.40 95 70 95 44 80 200 120 1.0 1.20 dB dB dB 80 A kHz mV/s Electrical characteristics (Vdd=3.0V) Parameter Input offset voltage Input bias current Common-mode input voltage range Maximum output voltage swing Large-signal voltage gain Common-mode rejection ratio Supply voltage rejection ratio Current consumption (2Amp.unit total) Unity gain bandwidth Slew rate Symbol Vio Iib Vcmr Vouts Avd CMRR PSRR Iss GBW SR Condition Vin+=Vdd/2, Unity gain follower For CMRR50dB Vid=100mV, RL=10k to Vss RL=10k to Vss RL=10k to Vss RL=10k to Vss Vdd=2.70V to 6.0V Vin+=Vdd/2, Unity gain follower RL=100k, CL=20pF Min. Vss=0V, Top=25C Typ. Max. Unit 6 mV nA V V 0.00 2.90 100 70 100 50 80 150 100 1.0 2.90 dB dB dB 90 A kHz mV/s Marking TSSOP-8 No. a b c Mark 0 to 9 A to M (excepted I) 0 to 9 Content Last numeral of A.D. Assembly month Lot No. 10 - 2 ELM832BW CMOS Low power dual operational amplifier Note 1) Common mode input voltage range ELM832BW common mode input voltage range is fixed under the condition of CMRR50dB; ELM832BW is able to accept the input above its specification if the degradation of CMRR is not considered. Even if the input voltage exceeds either positive or negative power voltage, troubles such as reverse of output will not occur. As maximum absolute rating, the input voltage is possible within (Vss-0.3)V to (Vdd+0.3)V. 2) Operation from single power source ELM832BW is designed to be most suitable for single power source; therefore, ELM832BW is able to share power supply with logic circuit one. Meanwhile, ELM832BW can also operate from double power sources. To protect power supplies of ELM832BW and logic circuit from noise, please separate wire from power supply and use decoupling (bypass) capacitor. Using the capacitor can improve PSRR characteristics, especially on 10kHz to 100kHz or more. 3) Feedback When OP-AMP circuit is used with feedback resistor, oscillation may happen in the circuit with loop-gain like unity gain follower. a) When large feedback resistance is used, the phase margin is decreased by its combination with the parasitic capacitance of the input part of OP-AMP. In this situation, please connect small capacitor parallelly with feedback resistor as shown in fig-1. b) For capacitive load, external resistor in series connection will be effective as shown in fig-2. (R=300 to 500) c) Being used as an unity gain follow, ELM832B is able to drive capacitive load of 100pF directly without oscillation. a) fig-1 b) fig-2 10 - 3 ELM832BW CMOS Low power dual operational amplifier Typical characteristics Iss - Vdd 45 Iss - Top 34 32 30 28 26 24 22 20 18 16 14 12 40 35 Vcm=Vdd/2, No-Load Vcm=Vdd/2, No-Load Top=-20 30 Iss( A) 25 20 15 +25 +70 Iss( A) Vdd=3V Vdd=1.5V 10 5 0 1 2 3 4 5 6 -20 -10 0 10 20 30 40 50 60 70 Vdd(V) Top( ) Vos - Distribution 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 Short-Circuit Output Current - Top Short-Circuit Output Current(mA) 40 35 Vdd=6V 30 25 20 15 10 5 Short to VDD Short to VSS Percent(%) Vdd=3V Short to VDD Short to VSS 10 20 30 40 50 60 70 0 -20 -10 0 Vos(mV) Top( ) SR - Top 200 180 RL=100k , CL=20pF to VSS Av=+1, Vin=1Vp-p Rising Edge SR(mV/ s) 160 140 120 Falling Edge 100 80 60 -20 -10 0 10 20 30 40 50 60 70 Top( ) 10 - 4 ELM832BW CMOS Low power dual operational amplifier 1.5V Performance Isource - Vout 10 Top=25 Isink - Vout 10 Top=25 Isource(mA) 1 1 Isink(mA) 0.1 0.1 0.01 0.01 0.001 0.001 0.01 0.1 1 10 0.001 0.001 0.01 0.1 1 10 Vout(V) Vout(V) Maximum Vout - Top 1000 1000 Minimum Vout - Top RL to VDD RL to VSS Vdd - Maximum Vout(mV) Minimum Vout(mV) 100 RL=10k 100 RL=10k 10 RL=100k 10 RL=100k 1 -20 -10 0 10 20 30 40 50 60 70 1 -20 -10 0 10 20 30 40 50 60 70 Top( ) Top( ) Avd - Frequency 120 Top=25 RL=10k 100 80 to VSS Avd(dB) 60 40 20 0 0.01 0.1 1 10 100 1000 Frequency(kHz) 10 - 5 ELM832BW CMOS Low power dual operational amplifier CMRR - Frequency 100 90 CMRR - Vcm 100 Top=25 Top=25 Vcm=Vdd/2, RL to VSS 90 RL=10k to VSS CMRR(dB) CMRR(dB) 80 RL=100k 80 70 60 50 40 0 70 RL=10k 60 50 0.01 0.1 1 10 100 0.5 1 1.5 Frequency(kHz) Vcm(V) PSRR - Frequency 120 CMRR, PSRR - Top Top=25 120 RL=10k 100 or 100k to VSS RL=10k 110 to VSS CMRR, PSRR(dB) 100 90 80 70 60 50 PSRR PSRR(dB) 80 60 40 20 CMRR 0.01 0.1 1 10 100 -20 -10 0 10 20 30 40 50 60 70 Frequency(kHz) Top( ) SR - Top 200 180 RL=100k , CL=20pF to VSS Av=+1, Vin=1Vp-p SR(mV/ s) 160 140 Rising Edge 120 Falling Edge 100 80 60 -20 -10 0 10 20 30 40 50 60 70 Top( ) 10 - 6 ELM832BW CMOS Low power dual operational amplifier Gain & Phase - Frequency 60 Gain & Phase - Frequency 60 50 40 50 40 30 20 Top=25 180 Av=-100, RL=10k to VSS 150 Av=-100, RL=100k Top=25 180 to VSS 150 120 120 Phase(deg) Gain(dB) 90 Gain 60 30 20 10 0 -10 -20 1 Gain 60 30 0 10 0 0 CL=200pF -10 -20 -30 -60 CL=200pF -30 -60 1 10 100 1000 10 100 1000 Frequency(kHz) Frequency(kHz) Large Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=+1, Vin=1Vp-p Large Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=-1, Vin=1Vp-p 500mV/Div 500mV/Div 500mV/Div 500mV/Div ( Non-Inverting ) ( Inverting ) Small Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=+1, Vin=100mVp-p Small Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=-1, Vin=100mVp-p 50mV/Div 50mV/Div 50mV/Div 50mV/Div ( Non-Inverting ) ( Inverting ) 10 - 7 Phase(deg) Phase CL=20pF 30 Phase CL=20pF 90 ELM832BW CMOS Low power dual operational amplifier 3.0V Performance Isource - Vout 10 Top=25 Isink - Vout 10 Top=25 Isource(mA) 1 1 Isink(mA) 0.1 0.1 0.01 0.01 0.001 0.001 0.01 0.1 1 10 0.001 0.001 0.01 0.1 1 10 Vout(V) Vout(V) Maximum Vout - Top 1000 Minimum Vout - Top 1000 RL=1k RL to VSS RL to VDD RL=1k Vdd - Maximum Vout(mV) Minimum Vout(mV) 100 100 RL=10k RL=10k 10 RL=100k 10 RL=100k 1 -20 -10 0 10 20 30 40 50 60 70 1 -20 -10 0 10 20 30 40 50 60 70 Top( ) Top( ) Avd - Frequency 120 Top=25 RL=10k 100 80 to VSS Avd(dB) 60 40 20 0 0.01 0.1 1 10 100 1000 Frequency(kHz) 10 - 8 ELM832BW CMOS Low power dual operational amplifier CMRR - Frequency 100 90 CMRR - Vcm 100 Top=25 Top=25 to VSS Vcm=Vdd/2, RL to VSS 90 RL=10k CMRR(dB) CMRR(dB) 80 RL=100k RL=1k or 10k 80 70 60 50 40 0 70 60 50 0.01 0.1 1 10 100 0.5 1 1.5 2 2.5 3 Frequency(kHz) Vcm(V) PSRR - Frequency 120 100 Top=25 CMRR, PSRR - Top 120 RL=100k , 10k RL to VSS RL=10k 110 to VSS PSRR CMRR, PSRR(dB) 100 90 PSRR(dB) 80 60 40 20 RL=1k CMRR 80 70 60 50 0.01 0.1 1 10 100 -20 -10 0 10 20 30 40 50 60 70 Frequency(kHz) Top( ) SR - Top 200 180 Gain & Phase - Frequency 60 50 40 RL=100k , CL=20pF to VSS Av=+1, Vin=1Vp-p Av=-100, RL=1k Top=25 180 to VSS 150 CL=20pF 120 SR(mV/ s) 140 120 Rising Edge 20 10 0 -10 -20 Gain 60 30 0 100 Falling Edge 80 60 -20 -10 0 10 20 30 40 50 60 70 CL=200pF -30 -60 1 10 100 1000 Top( ) Frequency(kHz) 10 - 9 Phase(deg) 160 Gain(dB) 30 Phase 90 ELM832BW CMOS Low power dual operational amplifier Gain & Phase - Frequency 60 Gain & Phase - Frequency 60 50 40 50 40 Top=25 180 Av=-100, RL=10k to VSS 150 CL=20pF 120 Phase Av=-100, RL=100k Top=25 180 to VSS 150 CL=20pF 120 Phase(deg) Gain(dB) Gain(dB) 30 20 90 Gain 60 30 20 10 0 -10 -20 1 Gain 60 30 0 10 0 0 CL=200pF -10 -20 -30 -60 CL=200pF -30 -60 1 10 100 1000 10 100 1000 Frequency(kHz) Frequency(kHz) Large Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=+1, Vin=2Vp-p Large Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=-1, Vin=2Vp-p 1V/Div 1V/Div 1V/Div 1V/Div ( Non-Inverting ) ( Inverting ) Small Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=+1, Vin=100mVp-p Small Signal Pulse Response 10 s/Div Top=25 RL=10k to VSS Av=-1, Vin=100mVp-p 50mV/Div 50mV/Div 50mV/Div 50mV/Div ( Non-Inverting ) ( Inverting ) 10 - 10 Phase(deg) 30 Phase 90 |
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