AN6557, AN6558, AN6558S Dual Low Noise, High Slew Rate Operational Amplifiers ■ Overview AN6557 Unit:mm The AN6557, the AN6558, and the AN6558S are low noise, high slew rate dual operational amplifiers with phase compensation circuits built-in. They are suitable for application to various electronic circuits such as active filters and audio preamplifiers. Moreover, they are high output current type and can also be used as headphone amplifiers. 0.4±0.25 9 21.7±0.3 6 5 4 1.2±0.25 7 0.5±0.1 8 3 2.54 2 1 1.0±0.25 2.7±0.25 4.3±0.3 1.4±0.25 + 0.1 0.3 – 0.05 ■ Features 1.35±0.25 • Phase compensation circuit • High voltage gain:GV=100dB typ. • Low noise:Vni=0.9µ Vrms typ. • High slew rate:SR=6V/µ s typ. • High output current:IO=25mA typ. 9-pin SIL Plastic Package (Slim) (SIP009-P-0000A) AN6558 8 2 7 3 6 4 0.5±0.1 1.2±0.25 1 2.54 9.4±0.3 Unit:mm 5 0.51min. 6.3±0.3 3.8±0.25 (3.45) ■ Block Diagram + 0.1 AN6557 7.62±0.25 3—15˚ 0.15 – 0.05 8-pin DIL Plastic Package (DIP008-P-0300B) 2 VEE V (GND) + in2 7 – Vin2 8 9 VO2 VCC AN6558 AN6558S VO1 1 Vin1– 2 8 VCC 7 VO2 – 6 Vin2– + 5 Vin2+ – 1 Vin1+ 3 + 2 VEE 4 (GND) 1 8 2 7 3 6 4 5 5.0±0.3 V 6 1.5±0.2 VCC VO1 V 5 + in1 0.3 4.2±0.3 6.5±0.3 0.15 0.65 4 – in1 Unit:mm 0.4±0.25 3 AN6558S – 0.6±0.3 2 + 1.27 1 + 0.1±0.1 1 – 8-pin PANAFLAT Plastic Package (SO-8D) (SOP008-P-0255A) ■ Pin Descriptions 〈AN6558, AN6558S〉 〈AN6557〉 Pin No. Pin No. Pin name 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 AN6557, AN6558 Operating ambient temperature Storage temperature 500 PD AN6558S –20 to +75 ˚C –55 to +150 Tstg AN6558S mW 360 Topr AN6557, AN6558 Unit ˚C –55 to +125 ■ Electrical Characteristics (VCC=15V, VEE=–15V, Ta=25˚C) Parameter Symbol Condition min RS < = 10kΩ typ max Unit Input offset voltage VI (offset) 0.3 3 mV Input offset current IIO 10 200 nA Input bias current IBias 1300 2000 nA Voltage gain GV Maximum output voltage VO (max.) RL > = 2kΩ, VO=±10V RL > = 10kΩ IO=25mA 86 100 dB ±12 ±14 V ±10 ±12 V Common-mode input voltage width VCM ±12 ±14 V Common-mode rejection ratio CMR 70 100 dB Supply voltage rejection ratio SVR Power consumption PC RL=∞ Slew rate SR RL > = 2kΩ Equivalent input noise voltage Vni RS=1kΩ, DIN/AUDIO 10 150 150 240 µV/V mW 6 V/µs 0.9 µVrms ■ Characteristics Curve GV– f VO (max.) – f 120 100 80 60 40 20 0 VCC=15V VEE=–15V RL=2kΩ 35 25 20 15 10 10 100 1k 10k 100k 0 1M ICC –VCC Supply Current ICC (mA) 20 10 6 5 4 3 2 1 5 3 1k 10k 0 Frequency f (Hz) 0 2 4 6 8 10 12 14 RIAA Amplifier + 100µF – + 2.2kΩ + 3.3µF 0.47µF OP. Amp. + – 2.2µF 56kΩ – 100µF – + –15V 330kΩ 30kΩ + 47µF – 60 0.0024µF 610Ω 0.0082µF 10 5 0 –5 –10 –15 0 2 4 6 8 10 12 14 Supply Voltage VCC (V) 15V – 50 Ta=25˚C RL=2kΩ 15 –20 16 Supply Voltage VCC (V) ■ Application Circuit Input 40 VO (max.) –VCC VCC=–VEE 30 30 20 7 50 20 Load Current IO (mA) 100 100 10 Frequency f (Hz) VCC=15V VEE=–15V Ta=25˚C 10 10 0 0 8 0 VCC=15V VEE=–15V Ta=25˚C 15 5 Vni – f 200 20 5 Frequency f (Hz) Equivalent Input Noise Voltage Vni (nV/ Hz) 25 30 0 10 100 1k 10k 100k 1M 10M 100M 30 Maximum Output Voltage VO (max.) (V) Voltage Gain GV (dB) Maximum Output Voltage VO (max.) (V) VCC=15V VEE=–15V RL=2kΩ 140 0 VO – IO 40 Output Voltage VO (V) 160 220kΩ 16