AN6555, AN6556, AN6556S Low Noise Dual Operational Amplifiers ■ Overview AN6555 2.54 9 0.5±0.1 7 6 1.5±0.25 8 23.3±0.3 5 ■ Features 3 • Phase compensation circuit • High voltage gain:Gv=100 dB typ. • Low noise:input referred noise voltage Vni=1.5µ Vrms typ. • High slew rate:SR=2V/µ s typ. • Output short-circuit protection 1 2 1.4±0.3 30˚ 4 1.5±0.25 The AN6555, the AN6556, and the AN6556S are low noise, high slew rate dual operational amplifiers with phase compensation circuits built-in. They are suitable for applications to various electronic circuits such as active filters and audio preamplifiers. Unit:mm 2.4±0.25 3.3±0.25 6.0±0.3 + 0.1 0.3 – 0.05 3.0±0.3 9-pin SIL Plastic Package (SIP009-P-0000) AN6556 8 2 7 3 6 0.5±0.1 1.2±0.25 1 2.54 9.4±0.3 Unit:mm 5 4 0.51min. 6.3±0.3 3.8±0.25 (3.45) ■ Block Diagram + 0.1 AN6555 7.62±0.25 3—15˚ 0.15 – 0.05 8-pin DIL Plastic Package (DIP008-P-0300B) 2 7 8 9 VCC AN6556 AN6556S VO1 1 Vin1– 2 8 VCC 7 VO2 – 6 Vin2– + 5 Vin2+ – 1 Vin1+ 3 + 2 VEE (GND) 4 1 8 2 7 3 6 4 5 5.0±0.3 6 VO1 Vin1– Vin1+ VEE Vin2+ Vin2– VO2 (GND) Unit:mm 1.5±0.2 5 AN6556S 0.3 4.2±0.3 6.5±0.3 0.15 0.65 4 – 0.4±0.25 3 + 0.6±0.3 2 + 1.27 1 VCC – 0.1±0.1 1 8-pin PANAFLAT Plastic Package (SOP008-P-0225A) ■ Pin Descriptions 〈AN6555〉 Pin No. 〈AN6556, AN6556S〉 Pin name Pin No. Pin name 1 VCC 1 Ch.1 output 2 Ch.1 output 2 Ch.1 inverting input 3 Ch.1 inverting input 3 Ch.1 non inverting input 4 Ch.1 non inverting input 4 VEE (GND) 5 VEE (GND) 5 Ch.2 non inverting input 6 Ch.2 non inverting input 6 Ch.2 inverting input 7 Ch.2 inverting input 7 Ch.2 output 8 Ch.2 output 8 VCC 9 VCC ■ Absolute Maximum Ratings (Ta=25˚C) Parameter Voltage Power dissipation Symbol Rating Supply voltage VCC ±18 V Differential input voltage VID ±30 V Common-mode input voltage VICM ±15 V AN6555, AN6556 Operating ambient temperature Storage temperature 500 PD AN6556S –20 to +75 ˚C –55 to +150 Tstg AN6556S mW 360 Topr AN6555, AN6556 Unit ˚C –55 to +125 ■ 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 typ max Unit 0.5 6 mV 5 200 nA 500 nA RL > = 2kΩ, VO=±10V RL> = 10kΩ ±12 ±14 V RL> = 2kΩ ±10 ±13 V 86 100 dB Common-mode input voltage width VCM ±12 ±14 V Common-mode rejection ratio CMR 70 90 dB Supply voltage rejection ratio SVR Power consumption PC RL= ∞ Slew rate SR RL > = 2kΩ Equivalent input noise voltage Vni RS=1kΩ, DIN/AUDIO 30 150 90 170 µV/V mW 2 V/µs 1.5 µVrms ■ Characteristics Curve VO (max.) – RL 30 Voltage Gain GV (dB) Maximum Output Voltage VO (max.) (V) VCC=15V VEE=–15V Ta=25˚C 140 120 100 80 60 40 20 0 VCC=15V VEE=–15V Ta=25˚C 25 20 15 10 5 0 1 10 10 100 1k 10k 100k 1M 10M 100M Frequency f (Hz) 100 VO (max.) – f 30 25 20 15 10 5 0 10 1k 10k 0 –5 –10 –15 100k 1M 0 2 4 6 8 10 12 14 16 Supply Voltage VCC (V) ICC–Ta VCC=15V VEE=–15V Ta=25˚C Supply Current ICC (mA) 10 8 6 4 4 3 2 1 2 0 30 40 Time t (µs) 10 5 3 0 10 50 60 100 1k 10k 0 –20 0 20 40 60 80 Ambient Temperature Ta (˚C) 15 10 5 0 –5 –10 –15 –20 0 2 4 6 8 10 12 14 Supply Voltage VCC (V) 5 20 20 VO (max.) –VCC 5 VO – t 10 30 20 10 12 0 50 Frequency f (Hz) 15 –20 100 100 100k Maximum Output Voltage VO (max.) (V) VCC=15V VEE=–15V RL=2kΩ 35 VCC=15V VEE=–15V Ta=25˚C VCM–VCC Common-Mode Input Voltage VCM (V) Maximum Output Voltage VO (max.) (V) 10k 20 Frequency f (Hz) Output Voltage VO (V) 1k 200 Load Resistance RL (Ω) 40 0 Vni – f Equivalent Input Noise Voltage Vni (nV/ Hz) GV–f 160 100 16 ■ Application Circuit 15V + – Input – + 100µF 2.2kΩ + 0.47µF 3.3µF OP. Amp. + – 2.2µF – 56kΩ 100µF – + –15V 330kΩ 30kΩ + 47µF 0.0024µF – 610Ω 0.0082µF 220kΩ