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| AN6550 Dual Operational Amplifier s Overview The AN6550 is a dual operational amplifier with a phase compensation circuit built-in, allowing low voltage operation. It is suitable for application to various electronic circuits such as active filters and audio preamplifiers. 23.30.3 2.40.25 3.30.25 6.00.3 Unit:mm 8 0.50.1 7 6 5 4 s Features * Phase compensation circuit * High voltage gain, low noise * Output short protection circuit * Low voltage operation(2.5V to10V) 1.50.25 2 1 0.3 - 0.05 3.00.3 + 0.1 s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 Pin name Ch.1 output External bias Ch.1 inverting input Ch.1 non inverting input VEE (GND) Ch.2 non inverting input Ch.2 inveting input Ch.2 output VCC 9-pin SIL Plastic Package (SIP009-P-0000C) s Block Diagram VCC 9 R3 Q3 Q10 Q25 Q13 Q11 Q8 R6 Q14 Q9 C2 Q6 Q4 Q5 Q7 R1 C1 R2 R4 R5 R7 Q7 R8 R9 R11 R21 Q22 R17 R15 C3 R12 R13 Q27 R20 Q29 Q24 R18 Q21 Q20 C4 Q28 Q26 R19 R22 Q17 Q23 R16 Q18 Vin1- Vin1+ 3 4 Q1 Q2 R10 1.40.3 30 3 1.50.25 2.54 9 Q16 7 6 Vin2- Vin2+ Q19 R14 1 5 2 8 VO1 VEE VEXT VO2 (GND) s Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage Voltage External bias supply voltage Differential input voltage Common-mode input voltage Power dissipation Temperature Operating ambient temperature Storage temperature Symbol VCC, VEE VEXT VID VICM PD Topr Tstg Rating 12 VEE to VCC 24 12 500 -20 to +75 -55 to +150 Unit V V V V mW C C s Electrical Characteristics (VCC=2.5V, VEE=-2.5V, VEXT=2.0V, Ta=25C) Parameter Input offset voltage Input offset current Input bias current Voltage gain Maximum output voltage Common-mode input voltage width Common-mode rejection ratio Supply voltage rejection ratio Power consumption Slew rate Equivalent input noise voltage Symbol VI (offset) IIO IBias GV VO (max.) VCM CMR SVR PC SR Vni RL= RL > 2k = RS=1k, B=10Hz to 30kHz RL > 2k = RL > 10k = RL > 2k = 65 1.2 1 1 70 RS < 10k = Condition min typ 1.5 5 150 100 1.7 1.5 1.5 80 100 8 0.8 2.5 300 15 max 6 200 500 Unit mV nA nA dB V V V dB V/V mW V/s Vrms s Pin Assignments - 1 2 3 + 4 5 + 6 - 7 8 9 VCC VO1 VEXT Vin1- Vin1+ VEE Vin2+ Vin2- VO2 s Characteristics Curve GV-f 120 VCC=2.5V VEE=-2.5V VEXT=2V Ta=25C 6 VCC=2.5V VEE=-2.5V VEXT=2V Ta=25C VO (max.)-RL Equivalent Input Noise Voltage Vni (nV/ Hz) 25 Vni-f VCC=2.5V VEE=-2.5V VEXT=2V Ta=25C 20 80 Maximum Output VO (max.) (V) 100 5 Voltage Gain GV (dB) 4 60 3 15 40 2 10 20 1 0 1 10 100 1k 10k 100k 1M 10M 100M 0 100 5 10 100 1k 10k 1k 10k 100k Frequency f (Hz) Load Resistance RL () Frequency f (Hz) VO (max.)-VCC, VEE 20 15 10 5 0 -5 -10 -15 -20 20 VCM-VCC, VEE 3 VEXT-VEE=4.5V, Ta=25C 15 2 10 5 0 -5 -10 -15 -20 -3 0 4 8 12 16 20 -2 -1 ICC-VEXT VCC=2.5V, VEE=-2.5V, Ta=25C Commom Mode Input Voltage VCM (V) Maximum Output Voltage VO (max.) (V) VEXT-VEE=4.5V, Ta=25C Supply Current ICC (mV) 1 0 -1 -2 0 4 8 12 16 20 0 1 2 3 Supply Voltage VCC=-VEE(V) Supply Voltage VCC=-VEE (V) External Bias Voltage VEXT (V) ICC-VCC, VEE 4 3 1.2 VO-t Maximum Output Voltage VO (max.) (V) VCC=2.5V VEE=-2.5V VEXT=2V Ta=25C VEXT-VEE=4.5V Ta=25C 1.0 Supply Current ICC (mA) 2 1 0 -1 -2 -3 -4 0.8 0.6 9 VCC 3.7 4.6 - DUT + 1.8 RL 2k 0.4 2 VEE 5 VEXT 0.2 0 0 4 8 12 16 20 0 10 20 30 40 50 60 70 80 Supply Voltage VCC=-VEE (V) Time t (s) s Application Circuit 2200pF 36k 0.01F 390k VCC=5--20V 100F 100k - 2.2k + 33F 100k 1k 47F OP. Amp. OP. Amp. 2 5 R2 33pF 10k 10k 9 R1 10k VEXT RIAA Preamplifier (single power supply operation) Note) R1 and R2 are resistances for setting operational amplifier bias. Set R1 and R2 so that VEXT=2.0V to 6.0V. (Recommended Voltage VEXT=4.5V) s How to Apply External to the AN6550 1. The AN6550 is an operational amplifier with a phase compensation circuit built-in, allowing low voltage operation, and its current consumption and bandwidth can be changed by applying external bias to it. 2. As shown below, applys bias voltage to 2 VEXT pin of the AN6550 allows the AN6550 to be handled in the very same way as the AN6551, except for pin connection. Set VEXT > VEE+1V. = 2 ) By connecting VEXT pin to GND VCC 9 AN6550 2 5 VEE VEXT 1 ) By diode VCC 9 R=1k --10k AN6550 2 5 VEE VEXT 3 ) By dividing with resistors VCC 9 R1=10k AN6550 2 5 VEE VEXT VR=10k 4 ) By Zener diode (VCC-VEE > 6V) = VCC 9 R > 10k = AN6550 2 5 VEE VEXT |
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