LESHAN RADIO COMPANY, LTD. Dual Operational Amplifier LR358/LR2904 General Description Features The LR358/LR2904 consists of two independent,high gain and internally frequency compensated operational amplifiers, it is specifically designed to operate from a single power supply. Operation from split power supply is also possible and the low power supply current drain is independent of the magnitude of the power supply voltages. g g g g g Internally Frequency Compensation Large Voltage Gain Low Input Bias Current Low Input Offset Voltage Large Output Voltage Swing Ordering Information Device Package LR358 DIP-8 LR358D SOP-8 LR2904 DIP-8 LR2904D SOP-8 Package DIP-8 SOP-8 Figure 1. Package Types of LR358/LR2304 1/9 LESHAN RADIO COMPANY, LTD. Pin Configuration Package/ Package (DIP-8/SOP-8) OUTPUT 1 1 8 Vcc INPUT 1- 2 7 OUTPUT 2 INPUT 1+ 3 6 INPUT 2- GND 4 5 INPUT 2+ Figure 2. Pin Configuration of LR358/ LR2904 (Top View) Functional Block Diagram VCC 6uA 4uA 100uA Q5 Q6 Q2 INPUT- Q3 Cc Q7 Q4 Q1 Rsc OUTPUT INPUT+ Q11 Q10 Q8 Q9 Q13 Q12 50uA Figure 3. Functional Block Diagram of LR358/ LR2904 Each Amplifier) 2/9 LESHAN RADIO COMPANY, LTD. Absolute Maximum Ratings 3DUDPHWHU9DOXH8QLW 3RZHU6XSSO\9ROWDJH32 r16 V 'LIIHUHQWLDO,QSXW9ROWDJH32 V ,QSXW9ROWDJH-0.3~32 V 3RZHU'LVVLSDWLRQ DIP 550 SOP 530 2XWSXW6KRUW&LUFXLWWR*URXQG˄V+d15VǃTa=25ć˅ mW &RQWLQXRXV ,QSXW&XUUHQW˄VIN<-0.3V˅ 50 mA LR358 2SHUDWLQJ7HPSHUDWXUH5DQJH-25~85 ć 2SHUDWLQJ7HPSHUDWXUH5DQJH-40~105 LR2904 ć 6WRUDJH7HPSHUDWXUH5DQJH-65~150 ć Electrical Characteristics 3DUDPHWHU 9DOXH 7HVW&RQGLWLRQV 0LQ 7\S 8QLW 0D[ ,QSXW2IIVHW9ROWDJHTa=25ć 2 5 mV ,QSXW%LDV&XUUHQWTa=25ćˈIIN(+) IIN˄-˅ˈVCM=0V 45 150 nA ,QSXW2IIVHW&XUUHQWTa=25ćˈIIN(+) - IIN˄-˅ˈVCM=0V 3 30 nA V =30V 1 2 V+=5V 0.5 1.2 6XSSO\&XUUHQW + V+=15VˈTa=25ćˈRLt2k: /DUJH6LJQDO9ROWDJH*DLQ 50 100 V/mV 70 85 dB 65 100 dB V IN(+)=1V,VIN(-)=0V,V =15V,Vo=2V,Ta=25ć20 40 mA 20 mA 8 mA + &RPPRQ0RGH5HMHFWLRQ5DWLR DCˈTa=25ćˈVCM=0~V -1.5V DCˈTa=25ćˈV+=5~30V 3RZHU6XSSO\5HMHFWLRQ5DWLRQ 2XWSXW&XUUHQW˄6RXUFH + + 2XWSXW&XUUHQW6LQN VIN(-)=1V,VIN(+)=0V,V =15V,Vo=2V,Ta=25ć10 + VIN(-)=1VˈVIN(+)=0VˈV =15VˈVo=2V 6ZLQJ VOL 5 + 6KRUW&LUFXLWWR*URXQG 2XWSXW9ROWDJH VOH mA V =15Vˈ Ta=25ć40 V+=30V + V =5VˈRL=10k: RL=2k: 26 RL=10k: 27 60 mA V 28 5 V 20 mV 3/9 LESHAN RADIO COMPANY, LTD. Typical Performance Characteristics 30 8 7 Input Current (nA) Input Voltage (±VDC) 25 6 NEGATIVE 5 4 POSITIVE 3 VCC=15V 20 15 10 2 5 1 0 -40 0 0 2 4 6 8 -20 0 20 60 80 100 120 Figure 5. Input Current Figure 4. Input Voltage Range 4.0 120 3.5 110 VCC 3.0 A mA Voltage Gain (dB) Supply Current Drain (mA) 40 Temperature (oC) Power Supply Voltage (±VDC) ID 2.5 2.0 1.5 o 1.0 100 RL=2K: RL=20K: 90 80 o TA:0 C TO 85 C 70 0.5 0.0 60 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 Power Supply Voltage (V) Power Supply Voltage (V) Figure 6. Supply Current Figure 7. Voltage Gain 3 VCC =15V o 100 Output Voltage (V) 110 o VCC: 10V TO 15VDC TA: -40 C TO 85 C 80 70 RL = 2K: 1 0 3 60 40 0.1uF VCC VO 30 20 2 R 10M 50 Input Voltage (V) Voltage Gain (dB) 90 2 VCC/2 VIN 10 0 1HZ 10HZ 100HZ 1kHZ 10kHZ 100kHZ 1MHZ Frequency (Hz) Figure 8. Open Loop Frequency Response 1 0 0 10 20 30 40 50 Time (uS) Figure 9. Voltage Follower Pulse Response 4/9 LESHAN RADIO COMPANY, LTD. Typical Performance Characteristics (Continued) 600 TA = 25oC 550 R 100K VIN 500 50pF +15 VDC R 1K Output Swing (VP-P) Output Voltage (mV) 20 VOUT VCC = 15V 450 Input 400 Output 350 300 15 VO +7VDC VIN R 2K 10 5 250 0 10 20 30 40 0 1K 50 10K 100K 1000K Frequency (Hz) Time (uS) Figure 10. Voltage Follower Pulse Response (Small Signal) Figure 11. Large Signal Frequency Response 10 8 o TA = 25 C 6 VCC VCC/2 Output Voltage (V) Output Voltage Reference To VCC (V) 7 V2 5 IO 4 3 1 VCC = 5V V CC = 15V VCC 0.1 IO VCC/2 INDEPENDENT OF VCC o Vo TA = 25 C 2 1 1E-3 0.01 0.1 1 10 100 0.01 1E-3 0.01 0.1 1 10 100 Output Sink Current (mA) Output Source Current (mA) Figure 12. Output Characteristics Current Sourcing Figure 13. Output Characteristics Current Sinking 100 90 Output Current (mA) 80 70 60 50 IO 40 30 20 10 0 -40 -20 0 20 40 60 80 oC) Temperature ( Figure 14. Current Limiting 5/9 LESHAN RADIO COMPANY, LTD. Typical Application R1 Opto Isolator R6 - AC Line 1/2 LR358 SMPS + Battery Pack GND R7 R5 R4 R3 Current R2 Sense - VCC 1/2 LR358 + GND LR431 R8 Figure 15. Battery Charger R1 910K R1 100K +V1 R2 100K R3 91K VIN(+) VCC +V2 1/2 LR358 + VO RL Figure 16. Power Amplifier + R2 100K R3 100K 1/2 LR358 VO R6 100K +V3 +V4 R5 100K R4 100K Figure 17. DC Summing Amplifier 6/9 LESHAN RADIO COMPANY, LTD. Typical Application (Continued) R2 1M R1 100K C1 0.1uF VCC - CO 1/2 LR358 AC + 2V - R3 2K R1 2K R2 VO RB 6.2K + R3 51K + 2V RL 10K 1/2 LR358 R4 51K VCC R5 51K I1 + R4 3K AV=1+R2/R1 I2 1mA AV=11 (As shown) Figure 18. AC Coupled Non-Inverting Amplifier R1 Figure 19. Fixed Current Sources 1M C1 0.01uF 0.001uF R2 100K R1 16K 1/2 LR358 + VO C2 0.01uF + R3 100K R2 16K VIN 1/2 LR358 - R5 100K VCC R4 100 K Figure 20. Pulse Generator R3 100k V0 0 f0 R4 100k fo=1KHz Q=1 AV=2 Figure 21. DC Coupled Low-Pass Active Filter 7/9 LESHAN RADIO COMPANY, LTD. Mechanical Dimensions DIP-8 Unit: mm f e f e e e f f e ¶hf f 0$; 5 f 0,1 8/9 LESHAN RADIO COMPANY, LTD. Mechanical Dimensions (Continued) f e f f e Unit: mm f f SOP-8 e e ' f f ¶ ' e fe 5 5 f e fe 9/9