LMV851,LMV852,LMV854 LMV851/LMV852/LMV854 8 MHz Low Power CMOS, EMI Hardened Operational Amplifiers Literature Number: JAJSAM3
LMV851/LMV852/LMV854 8MHz CMOS EMI LMV851/LMV852/LMV854 CMOS IC 40 125 LMV851/ LMV852/LMV854 EMI EMI LMV851/LMV852/ LMV854 8MHz 0.4mA 200pF LMV851/LMV852/LMV854 1mV LMV851/LMV852/LMV854 2.7V 5.5V 92dB CMRR 93dB PSRR LMV851/LMV852/LMV854 5 SC70 8 MSOP 14 TSSOP Peter Van Der Hout 20060707 2007 10 23900 ds202021 20071003 LMV851 ( )/LMV852 ( )/LMV854 ( ) T A 25 V SUPPLY 3.3V 2.7V 5.5V ( ) 0.4mA 1mV (max) 0.1pA GBW 8MHz 1.8GHz EMIRR 87dB 1kHz 11nV/ Hz 4.5V/ s 30mA ( ) 40 125 Sensor Amplifiers Close to RF Sources / / PDA/ LMV851 ( )/LMV852 ( )/LMV854 ( ) 8MHz CMOS EMI National Semiconductor Corporation DS202021-01-JP 1
LMV851/LMV852/LMV854 (Note 1) ESD (Note 2) 2kV 1kV 200V V IN (V V ) 6V V 0.4V V 0.4V 65 150 (Note 3) 150 (20 ) 260 (Note 1) (Note 3) 40 125 (V V ) 2.7V 5.5V ( JA (Note 3)) 5 SC70 313 /W 8 MSOP 217 /W 14 TSSOP 135 /W 3.3V (Note 4) T A 25 V 3.3V V 0V V CM V /2 R L 10 k V /2 2
3.3V (Note 4) ( ) T A 25 V 3.3V V 0V V CM V /2 R L 10 k V /2 LMV851/LMV852/LMV854 5V (Note 4) T A 25 V 5V V 0V V CM V /2 R L 10 k V /2 3
LMV851/LMV852/LMV854 5V (Note 4) ( ) T A 25 V 5V V 0V V CM V /2 R L 10 k V /2 Note 1: Note 2: MIL-STD-883 Method 3015.7 JESD22-A115-A (ESD MM std. of JEDEC) ( ) JESD22-C101-C (ESD FICDM std. of JEDEC) Note 3: Note 4: Note 5: T J(max) - JA T A P D (T J(max) T A )/ JA (typ) (norm) Note 6: 25 (SQC) Note 7: Note 8: EMI EMIRR 20log (V RFpeak / V OS ) Note 9: Note 10: Note 11: 4
5-Pin SC70 Top View 8-Pin MSOP Top View 14-Pin TSSOP Top View LMV851/LMV852/LMV854 5
LMV851/LMV852/LMV854 T A 25 R L 10k V S 3.3V V OS vs. V CM at 3.3V V OS vs. V CM at 5.0V V OS vs. Supply Voltage V OS vs. Temperature V OS vs. V OUT Input Bias Current vs. V CM at 25 6
( ) T A 25 R L 10k V S 3.3V Input Bias Current vs. V CM at 85 Input Bias Current vs. V CM at 125 LMV851/LMV852/LMV854 Supply Current vs. Supply Voltage Single LMV851 Supply Current vs. Supply Voltage Dual LMV852 Supply Current vs. Supply Voltage Quad LMV854 Supply Current vs. Temperature Single LMV851 7
LMV851/LMV852/LMV854 ( ) T A 25 R L 10k V S 3.3V Supply Current vs. Temperature Dual LMV852 Supply Current vs. Temperature Quad LMV854 Sinking Current vs. Supply Voltage Sourcing Current vs. Supply Voltage Output Swing High vs. Supply Voltage R L = 2 k Output Swing High vs. Supply Voltage R L = 10 k 8
( ) T A 25 R L 10k V S 3.3V Output Swing Low vs. Supply Voltage R L = 2 k Output Swing Low vs. Supply Voltage R L = 10 k LMV851/LMV852/LMV854 Output Voltage Swing vs. Load Current at 3.3V Output Voltage Swing vs. Load Current at 5.0V Open Loop Frequency Response vs. Temperature Open Loop Frequency Response vs. Load Conditions 9
LMV851/LMV852/LMV854 ( ) T A 25 R L 10k V S 3.3V Phase Margin vs. Capacitive Load PSRR vs. Frequency CMRR vs. Frequency Channel Separation vs. Frequency Large Signal Step Response with Gain = 1 Large Signal Step Response with Gain = 10 10
( ) T A 25 R L 10k V S 3.3V Small Signal Step Response with Gain = 1 Small Signal Step Response with Gain = 10 LMV851/LMV852/LMV854 Slew Rate vs. Supply Voltage Overshoot vs. Capacitive Load Input Voltage Noise vs. Frequency THD+N vs. Frequency 11
LMV851/LMV852/LMV854 ( ) T A 25 R L 10k V S 3.3V THD+N vs. Amplitude R OUT vs. Frequency EMIRR IN + vs. Power at 400 MHz EMIRR IN + vs. Power at 900 MHz EMIRR IN + vs. Power at 1800 MHz EMIRR IN + vs. Power at 2400 MHz 12
( ) T A 25 R L 10k V S 3.3V EMIRR IN + vs. Frequency at 3.3V EMIRR IN + vs. Frequency at 5.0V LMV851/LMV852/LMV854 13
LMV851/LMV852/LMV854 LMV851/LMV852/LMV854 LMV851/LMV852/LMV854 LMV851 SC-70 LMV852 MSOP LMV854 TSSOP LMV851 LMV852 LMV854 EMI (RF) LMV851/LMV852/LMV854 RF EMI EMI EMI EMI LMV851/LMV852/LMV854 1.2V CMRR 5V CMRR 3.8V (typ.) 0.26mV TCV OS 0.4 V/ CMRR CMRR AC CMRR DC CMRR DC CMRR V OS V CM AC CMRR Figure 1 FIGURE 1. AC CMRR Measurement Setup P1 DUT DC DUT DUT CMRR AC CMRR CMRR AC CMRR DC AC AC CMRR DC CMRR DC DC CMRR Figure 2 CMRR AC CMRR DC CMRR FIGURE 2. CMRR Curve 14
( ) 10k 7mV LMV851/LMV852/LMV854 LMV851/LMV852/ LMV854 200pF Figure 3 R ISO C L R ISO R ISO C L R ISO FIGURE 4. EMIRR Offset Voltage Variation Due to an Interfering RF Signal EMI EMI EMI EMI (EMIRR) RF ( ) EMIRR LMV851/LMV852/LMV854 EMIRR FIGURE 3. Isolating Capacitive Load RF RF (EMI) LMV851/LMV852/LMV854 EMI EMI EMI EMIRR EMIRR EMI AN-1698 IC RF RF PCB RF EMI RF Figure 4 RF RF / V RF_PEAK RF (V) V OS (V) RF EMIRR RF RF 100mV P AN-1698 100mV P EMIRR EMIRR 2 EMIRR 20dB 2 20dB EMIRR IN RF EMIRR IN ( IN ) AN-1698 IN RF IN RF RF RF Figure 5 RF IN IN PCB RF RF 50 PCB 50 50 IN EMIRR RF DC RF DC 2 2 DC RF 1 1 15
LMV851/LMV852/LMV854 ( ) 2 RF ( ) 1V EMI LMV852 10nF V V V 1 V 1 LMV851/LMV852/LMV854 EMI RF RF LMV851/ LMV852/LMV854 EMI EMI FIGURE 5. Circuit for Coupling the RF Signal to IN + (Figure 7) 2 EMI LMV852 2 2 PCB RF RF 2 Figure 6 LMV851/LMV852/LMV854 LMV851/LMV852/LMV854 100mV 5k Figure 7 2 LMV852 R2 V S V OUT FIGURE 6. Comparing EMI Robustness ADC 5V 100mV R2 100 R1 2.4k 4.95V 0.05V ADC ADC 16
( ) LMV851/LMV852/LMV854 LMV851/LMV852/LMV854 ADC FIGURE 7. Pressure Sensor Application LMV851/LMV852/LMV854 2 2 K K K 1 K K Figure 8 200 1200 K 41 V/ K FIGURE 8. K-Type Thermocouple Response 0 500 0.5 LMV851/LMV852/LMV854 ADC 3.3V 0 500 0mV 20.6mV Figure 8 0 3.3V ADC A V 3.3V / 0.0206V 160 R G 2k 160 R F A V R F / R G RF R F A V R G 160 2k 320k 0.5 ADC LSB 0.5 / 500 1/1000 1024 10 ADC 2 10 ADC102S021 10 ADC 17
LMV851/LMV852/LMV854 ( ) ( ) PCB 2 2 2 LM35 55 150 2 LM35 FIGURE 9. Thermocouple Read Out Circuit 18
inches (millimeters) LMV851/LMV852/LMV854 5-Pin SC70 NS Package Number MAA05A millimeters 8-Pin MSOP NS Package Number MUA08A 19
LMV851 ( )/LMV852 ( )/LMV854 ( ) 8MHz CMOS EMI inches (millimeters) ( ) 14-Pin TSSOP NS Package Number MTC14 (CEO) (GENERAL COUNSEL) a (b) National Semiconductor Copyright 2007 National Semiconductor Corporation www.national.com 135-0042 2-17-16 TEL.(03)5639-7300 /
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