Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS General Description Features The AS324/324A consist of four independent, high gain and internally frequency compensated operational amplifiers. They are specifically designed to operate from a single power supply. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. Typical applications include transducer amplifiers, DC gain blocks and most conventional operational amplifier circuits. * The AS324/324A series are compatible with industry standard 324. AS324A has more stringent input offset voltage than AS324. * * Internally Frequency Compensated for Unity Gain Large Voltage Gain: 100dB (Typical) Low Input Bias Current: 20nA (Typical) Low Input Offset Voltage: 2mV (Typical) Low Supply Current: 0.5mA (Typical) Wide Power Supply Voltage Range: Single Supply: 3V to 36V Dual Supplies: 1.5V to 18V Input Common Mode Voltage Range Includes Ground Large Output Voltage Swing: 0V to VCC -1.5V * Power Drain Suitable for Battery Operation * * * * * The AS324 is available in SOIC-14, DIP-14 and TSSOP-14 packages, AS324A is available in SOIC-14 package. Application * * * DIP-14 AS324/324A Battery Charger Cordless Telephone Switching Power Supply TSSOP-14 SOIC-14 Figure 1. Package Types of AS324/324A Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 1 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Pin Configuration P Package (DIP-14) M/G Package (SOIC-14/TSSOP-14) OUTPUT 1 1 14 OUTPUT 4 INPUT 1- 2 13 INPUT 4- INPUT 1+ 3 12 INPUT 4+ VCC 4 11 GND 5 10 INPUT 3+ INPUT 2- 6 9 INPUT 3- OUTPUT 2 7 8 OUTPUT 3 INPUT 2+ OUTPUT 1 1 14 OUTPUT 4 INPUT 1- 2 13 INPUT 4- INPUT 1+ 3 12 INPUT 4+ VCC 4 11 GND 5 10 INPUT 3+ INPUT 2- 6 9 INPUT 3- OUTPUT 2 7 8 OUTPUT 3 INPUT 2+ Figure 2. Pin Configuration of AS324/324A (Top View) Functional Block Diagram VCC 6A 4A 100A Q5 Q6 Q2 - Q3 Cc Q7 Q4 Q1 Rsc INPUTS OUTPUT + Q11 Q10 Q8 Q13 Q12 Q9 50A Figure 3. Functional Block Diagram of AS324/324A (Each Amplifier) Ordering Information - AS324 E1: Lead Free G1: Green TR: Tape and Reel Blank: Tube Package M: SOIC-14 P: DIP-14 G: TSSOP-14 Circuit Type Blank: AS324 A: AS324A Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 2 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Ordering Information (Continued) Package Temperature Range SOIC-14 oC -40 to 85 DIP-14 TSSOP-14 Part Number Lead Free Marking ID Green Lead Free AS324M-E1 AS324M-G1 AS324M-E1 AS324MTR-E1 AS324MTR-G1 AS324AM-E1 AS324AM-G1 AS324AMTR-E1 AS324P-E1 Green Packing Type AS324M-G1 Tube AS324M-E1 AS324M-G1 Tape & Reel AS324AM-E1 AS324AM-G1 Tube AS324AMTR-G1 AS324AM-E1 AS324AM-G1 Tape & Reel AS324P-G1 AS324P-E1 AS324P-G1 AS324GTR-E1 AS324GTR-G1 EGS324 GGS324 Tape & Reel AS324G-E1 AS324G-G1 EGS324 GGS324 Tube Tube BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green packages. Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Supply Voltage VCC 40 V Differential Input Voltage VID 40 V Input Voltage VIN -0.3 to 40 V o Total Power Dissipation (TA=25 C) Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) PD DIP-14 1130 SOIC-14 800 TSSOP-14 710 mW TJ 150 o TSTG -65 to 150 o TLEAD C C oC 260 Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Parameter Supply Voltage Ambient Operating Temperature Range Symbol Min Max Unit VCC 3 36 V TA -40 85 oC Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 3 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Electrical Characteristics Limits in standard typeface are for TA=25oC, bold typeface applies over TA=-40oC to 85oC (Note 2), VCC=5V, GND=0V, unless otherwise specified. Parameter Symbol VIO Input Offset Voltage Average Temperature Coefficient of Input Offset Voltage Input Offset Current Input Bias Current Test Conditions VO=1.4V, RS=0 , VCC=5V to 30V Min AS324 IIO IIN+ - IIN-, VCM=0V IBIAS IIN+ or IIN-, VCM=0V 20 TA=-40 to 85 oC, RL= Large Signal Voltage Gain GV VCC=15V, RL 2k, VO=1V to 11V Common Mode Rejection Ratio CMRR DC, VCM=0 to (VCC-1.5)V Power Ratio PSRR VCC=5 to 30V Source ISOURCE Sink ISINK Output Current 3 VCC=5V 0.7 1.2 Thermal Resistance (Junction to Case) 100 60 70 100 VIN+=0V, VIN-=1V, VCC=15V, VO=2V 40 VCC=15V 15 VCC=5V, RL= 10k mA mA A 50 40 V mA 5 12 nA dB 20 10 nA dB -120 20 mV dB 60 VIN+=1V, VIN-=0V, VCC=15V, VO=2V mV dB 80 f=1kHz to 20kHz VCC=30V, RL=10k JC 85 60 VOH VOL VCC -1.5 1.0 70 VCC=30V, RL=2k Output Voltage Swing 100 VCC=30V VIN+=0V, VIN-=1V, VCC=15V, VO=0.2V ISC 30 200 0 Unit V/oC 100 ICC Output Short Circuit Current to Ground 5 5 Supply Current CS 3 7 VCC=30V Channel Separation 5 2 VIO/T TA=-40 to 85oC VIR Rejection Max 2 7 AS324A Input Common Mode Voltage Range (Note 3) Supply Typ 60 mA 26 26 27 V 28 27 5 20 30 DIP-14 24.78 SOIC-14 36.78 mV oC/W Note 2: Limits over the full temperature are guaranteed by design, but not tested in production. Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 4 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Electrical Characteristics (Continued) Note 3: The input common-mode voltage of either input signal voltage should not be allowed to go negatively by more than 0.3V (at 25oC). The upper end of the common-mode voltage range is VCC -1.5V (at 25oC), but either or both inputs can go to +36V without damages, independent of the magnitude of the VCC. Typical Performance Characteristics 30 15 27 Input Current (nA) Input Voltage (+VDC) 24 10 NEGATIVE POSITIVE 5 21 18 15 12 9 6 3 0 0 0 5 10 -25 15 0 25 50 75 100 125 o Power Supply Voltage (+VDC) Temperature ( C) Figure 4. Input Voltage Range Figure 5. Input Current 120 2.0 1.8 105 1.4 Voltage Gain (dB) Supply Current (mA) 1.6 1.2 1.0 0.8 0.6 RL=2K RL=20K 90 75 0.4 0.2 0.0 60 0 5 10 15 20 25 30 35 40 Supply Voltage (V) 0 8 16 24 32 40 Power Supply Voltage (V) Figure 6. Supply Current Figure 7. Voltage Gain Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 5 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Typical Performance Characteristics (Continued) 120 4 Output Voltage (V) 110 100 80 70 3 2 1 0 60 3 50 Input Voltage (V) Voltage Gain (dB) 90 40 30 20 10 0 1 10 100 1k 10k 100k 1M 2 1 0 0 Frequency (Hz) 4 8 12 16 20 24 28 32 36 40 Time (s) Figure 8. Open Loop Frequency Response Figure 9. Voltage Follower Pulse Response 20 300 15 200 Output Swing (V) Output Voltage (mV) 250 150 100 50 10 5 0 0 1 2 3 4 5 6 7 8 9 0 1k 10 10k 100k 1M Frequency (Hz) Time (s) Figure 10. Voltage Follower Pulse Response (Small Signal) Figure 11. Large Signal Frequency Response Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 6 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Typical Performance Characteristics (Continued) 10 7 VCC 6 VCC/2 Output Voltage (V) Output Voltage Referenced to VCC (V) 8 Vo 5 IO 4 3 1 VCC=5V VCC=15V VCC 0.1 IO VCC/2 2 Vo 1 0 1E-3 0.01 0.1 1 10 0.01 1E-3 100 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 40 30 20 10 0 -25 0 25 50 75 100 125 o Temperature ( C) Figure 14. Current Limiting Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 7 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Typical Applications R1 Opto Isolator R6 - VCC 1/4 AS324/A AC Line SMPS + Battery Pack GND R7 R3 R4 R5 VCC 1/4 AS324/A + GND Current R2 Sense - AZ431 R8 Figure 15. Battery Charger R1 910k R1 100k +V1 +V2 R2 100k R3 100k R5 100k - 1/4 AS324/A VO R3 91k - VIN(+) R6 100k +V3 +V4 R2 100k + VCC 1/4 AS324/A VO + RL R4 100k Figure 16. DC Summing Amplifier Figure 17. Power Amplifier Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 8 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Typical Applications (Continued) VCC + 2V - + 2V - R3 2k R2 1M R1 100k R1 2k C1 0.1F R2 - CO 1/4 AS324/A RB 6.2k + - CIN 1/4 AS324/A I1 + R4 3k R3 1M AC I2 1mA VO RL 10k R4 100k VCC R5 100k C2 10F AV=1+R2/R1 AV=11 (As shown) Figure 18. Fixed Current Sources R1 Figure 19. AC Coupled Non-Inverting Amplifier 1M C1 0.01F 0.001F R2 100k R1 16k R2 16k + VIN - 1/4 AS324/A C2 0.01F VO - + R3 100k VO 1/4 AS324/A R3 100k VO R5 100k VCC 0 R4 100k fO R4 100k fO=1kHz Q=1 AV=2 Figure 21. DC Coupled Low-Pass RC Active Filter Figure 20. Pulse Generator Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 9 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Mechanical Dimension DIP-14 1.524(0.060) TYP 10 Unit: mm(inch) 0.700(0.028) 7.620(0.300)TYP 1.600(0.063) 1.800(0.071) 5 10 4 4 0.204(0.008) 0.360(0.014) 8.200(0.323) 9.400(0.370) 0.254(0.010) 0.360(0.014) 0.560(0.022) 2.540(0.100)TYP 3.000(0.118) 3.600(0.142) 0.510(0.020)MIN 3.000(0.118) Depth 0.100(0.004) 0.200(0.008) 1.600(0.063) 1.800(0.071) 0.130(0.005)MIN 6.200(0.244) 6.600(0.260) 18.800(0.740) 19.200(0.756) R1.000(0.039) Note: Eject hole, oriented hole and mold mark is optional. Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 10 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Mechanical Dimension (Continued) SOIC-14 Unit: mm(inch) A 0.700(0.028) 0.100(0.004) 0.250(0.010) 7 0.280(0.011) x45 0.480(0.019)x45 8 8 0 8 9.5 7 0.330(0.013) 0.510(0.020) 8 0.190(0.007) 0.250(0.010) 1.350(0.053) 1.750(0.069) 8.550(0.337) 8.750(0.344) 3.800(0.150) 4.000(0.157) 1.270(0.050) 1.000(0.039) A 6.200(0.244) 1.300(0.051) 5.800(0.228) 0.250(0.010) 0.200(0.008)MIN 20:1 R0.200(0.008) R0.200(0.008) 1 5 0.500(0.020) 0.600(0.024) 0.250(0.010) 2.000(0.079) Depth 0.060(0.002) 0.100(0.004) Note: Eject hole, oriented hole and mold mark is optional. Oct. 2009 Rev. 1. 9 BCD Semiconductor Manufacturing Limited 11 Data Sheet LOW POWER QUAD OPERATIONAL AMPLIFIERS AS324/324A Mechanical Dimension (Continued) TSSOP-14 Unit: mm(inch) 0.340(0.013) 0.540(0.021) SEE DETAIL A 0.050(0.002) 0.150(0.006) 0.900(0.035) 1.050(0.041) 1.200(0.047) MAX 0.100(0.004) 0.190(0.007) 4.860(0.191) 5.060(0.199) TOP&BOTTOM R0.090(0.004) 10 14 0.200(0.008) 6.200(0.244) 6.600(0.260) INDEX 0.950(0.037) 1.050(0.041) 0 DEP 0.100(0.004) R0.090(0.004) 4.300(0.169) 4.500(0.177) 0 8 0.450(0.018) 0.750(0.030) 0.250(0.010) # 1 PIN 1.000(0.039) REF 0.650(0.026) 0.200(0.008) 0.280(0.011) DETAIL A Note: Eject hole, oriented hole and mold mark is optional. 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