LESHAN RADIO COMPANY, LTD. General Description LR358 The LR358/LR358D 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. Package . . DIP-8 Package of LR358 is DIP-8 Package of LR358D is SOP-8 Features g g g g g Internally Frequency Compensation Large Voltage Gain Low Input Bias Current Low Input Offset Voltage Large Output Voltage Swing SOP-8 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 1. Pin Configuration of LR358/LR358D (Top View) 1/9 LESHAN RADIO COMPANY, LTD. LR358 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 2. Functional Block Diagram of LR358/LR358DEach Amplifier) 2/9 LESHAN RADIO COMPANY, LTD. LR358 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 2SHUDWLQJ7HPSHUDWXUH5DQJH-25~85 ć 6WRUDJH7HPSHUDWXUH5DQJH-65~150 ć Electrical Characteristics 3DUDPHWHU 9DOXH 7HVW&RQGLWLRQV 7\S 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 1 2 0.5 1.2 6XSSO\&XUUHQW 0LQ 8QLW + V =30V + V =5V 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 VIN(-)=1V,VIN(+)=0V,V+=15V,Vo=2V,Ta=25ć10 20 mA 8 mA + &RPPRQ0RGH5HMHFWLRQ5DWLR DCˈTa=25ćˈVCM=0~V -1.5V DCˈTa=25ćˈV+=5~30V 3RZHU6XSSO\5HMHFWLRQ5DWLRQ 2XWSXW&XUUHQW˄6RXUFH 2XWSXW&XUUHQW6LQN + + VIN(-)=1VˈVIN(+)=0VˈV =15VˈVo=2V 6ZLQJ VOL 5 V +=15Vˈ Ta=25ć40 6KRUW&LUFXLWWR*URXQG 2XWSXW9ROWDJH VOH mA 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. LR358 Typical Performance Characteristics 30 8 25 6 Input Current (nA) Input Voltage (±V DC) 7 NEGATIVE 5 4 POSITIVE 3 VCC=15V 20 15 10 2 5 1 0 -40 0 0 2 4 6 8 -20 0 20 Figure 3 Input Voltage Range 60 80 100 120 Figure 4. Input Current 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 Power Supply Voltage (V) 6 8 10 12 14 16 18 20 Power Supply Voltage (V) Figure 5. Supply Current Figure 6. 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 7. Open Loop Frequency Response 1 0 0 10 20 30 40 50 Time (uS) Figure 8. Voltage Follower Pulse Response 4/9 LESHAN RADIO COMPANY, LTD. LR358 Typical Performance Characteristics (Continued) 600 TA = 25oC 550 R 100K VIN 500 50pF Output Swing (VP-P ) Output Voltage (mV) 20 VOUT VCC = 15V 450 Input 400 Output 350 300 +15 VDC R 1K 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 9. Voltage Follower Pulse Response (Small Signal) Figure 10. Large Signal Frequency Response 10 8 o T A = 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 11. Output Characteristics Current Sourcing Figure 12. 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 o Temperature ( C) Figure 13. Current Limiting 5/9 LESHAN RADIO COMPANY, LTD. LR358 Typical Application R1 Opto Isolator R6 - AC Line 1/2 LR358 SMPS + Battery Pack GND R7 R4 R3 R5 Current R2 Sense - VCC 1/2 LR358 + GND LR431 R8 Figure 14. Battery Charger R1 910K R1 100K +V1 R2 100K R3 91K VIN(+) VCC +V2 1/2 LR358 + VO RL Figure 15. Power Amplifier + R2 100K R3 100K 1/2 LR358 VO R6 100K +V3 +V4 R5 100K R4 100K Figure 16. DC Summing Amplifier 6/9 LESHAN RADIO COMPANY, LTD. LR358 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 17. AC Coupled Non-Inverting Amplifier R1 Figure 18. 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 19. Pulse Generator R3 100k V0 0 f0 R4 100k fo=1KHz Q=1 AV=2 Figure 20. DC Coupled Low-Pass Active Filter 7/9 LESHAN RADIO COMPANY, LTD. LR358 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. LR358 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