AN6551 Dual Operational Amplifier ■ Overview Unit:mm The AN6551 is a dual operational Amplifier with a phase compensation circuit built-in. It is suitable for application to various electronic circuits such as active filters and audio pre-amplifiers. 2.4±0.25 3.3±0.25 6.0±0.3 2.54 9 6 23.3±0.3 5 4 • Phase compensation circuit • High gain, low noise • Output short-circuit protection • Two circuits symmetrically arranged in 9-pin SIL plastic package 2 1 + 0.1 0.3 – 0.05 3.0±0.3 ■ Pin Descriptions Pin No. 9-pin SIL Plastic Package (SIP009-P-0000C) Pin name 2 Ch.1 output 3 Ch.1 inverting input 4 Ch.1 non inverting input 5 VEE (GND) 6 Ch.2 non inverting input 7 Ch.2 inverting input 8 Ch.2 output 1, 9 1.5±0.25 3 1.4±0.3 30˚ ■ Features 0.5±0.1 7 1.5±0.25 8 VCC ■ Block Diagram VCC 9 VCC 1 R3 R16 Q10 Q3 Q13 Vin1– Q1 3 Q8 Q28 Q15 Q11 Q2 Q17 C2 C1 R20 R13 R21 R2 R18 Q27 Q5 Q7 R1 DZ R12 Q12 Q6 D2 Q24 R7 R5 Q4 Q29 Q9 R8 R9 Q21 2 VO1 5 VEE (GND) 8 VO2 C4 Q20 Q19 Q22 R17 R4 Q16 7 Vin2– 6 Vin2+ Q23 R19 Q14 D1 Q18 Q26 R6 4 Vin1+ Q25 R15 C3 R14 ■ Absolute Maximum Ratings (Ta=25˚C) Parameter Symbol Rating VCC, VEE ±18 V Differential input voltage VID ±30 V Common-mode input voltage VICM ±15 V PD 500 mW Operating ambient temperature Topr –20 to +75 ˚C Storage temperature Tstg –55 to +150 ˚C Supply voltage Voltage Power dissipation Temperature Unit ■ Electrical Characteristics (VCC=15V, VEE=–15V, Ta=25˚C) Parameter Symbol Input offset voltage VI (offset) Input offset current IIO Input bias current Ibias Voltage gain GV Maximum output voltage VO (max.) Condition min RS < =10kΩ > 2kΩ, VO=±10V RL = typ max Unit 0.5 6 mV 5 200 nA 500 nA 86 100 > 10kΩ RL = ±12 ±14 V > 2kΩ RL = ±10 ±13 V ±14 V Common-mode input voltage width VCM ±12 Common-mode rejection ratio CMR 70 Supply voltage rejection ratio SVR dB 90 dB 30 150 170 µV/V Power consumption PC RL=∞ 90 Slew rate SR > 2kΩ RL = 1.0 V/µs Equivalent input noise voltage Vni RS=1kΩ, B=10Hz to 30kHz 2.5 µVrms ■ Block Diagram 1 VCC 2 – + 3 4 5 + – 6 7 8 VO1 Vin1– Vin1+ VEE Vin2+ Vin2– VO2 9 VCC mW ■ Characteristics Curve GV–f VO (max) –RL 80 60 40 20 0 1 26 22 18 VCC=15V VEE=–15V Ta=25˚C 14 10 100 10 100 1k 10k 100k 1M 10M 100M Frequency f (Hz) 1k VO (max) –f Common-mode Input Voltage VCM (V) Maximum Output Voltage VO (max) (V) 32 28 24 20 16 12 8 4 10 100 1k 10k 100k 15 10 5 0 –5 –10 –15 –20 0 4 8 12 16 20 Supply Voltage VCC=–VEE (V) 10 100 ICC –Ta VCC=15V VEE=–15V RL=2kΩ, Ta=25˚C 9 (1) VCC 2.8 3.7 – 4.6 + 2kΩ 5 RL VEE 4 VCC=15V VEE=–15V 3 2 1 0 –1 –2 2 –3 0 0 10 20 30 40 50 60 70 80 90 100 1k 10k –4 –20 0 20 40 60 20 15 10 5 0 –5 –10 –15 –20 –25 0 4 8 12 16 Supply Voltage VCC=–VEE (V) 4 Supply Current ICC (mA) Output Voltage VO (V) 5 VO (max) –VCC, VEE RL=2kΩ, Ta=25˚C VO – t Time t (µs) 10 Frequency f (Hz) 20 –25 1M 12 6 15 25 Frequency f (Hz) 8 20 VCM–VCC, VEE VCC=15V VEE=–15V Ta=25˚C 1 VCC=15V VEE=–15V RS=1kΩ, GV=40dB, Ta=25˚C 100k 25 36 25 Load Resistance RL (Ω) 40 10 10k Maximum Output Voltage VO (max) (V) Voltage Gain GV (dB) Maximum Output Voltage VO (max) (V) VCC=15V VEE=–15V Ta=25˚C 100 0 Vni–f 30 Equivalent Input Noise Voltage Vni (nV/Hz) 120 80 Operating Temperature Ta (˚C) 20 ■ Application Circuit 2200pF 36kΩ 0.01µF 390kΩ VCC=8 to 30V 100µF 100kΩ – 2.2kΩ OP. Amp. 33µF + 100kΩ 33µF 47µF 1kΩ RIAA Pre-amp. (Single voltage operation) 10kΩ