AN6550 PANASONIC

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 4

Technical content

The AN6550 is a dual operational amplifier with a phase compensation circuit built-in, allowing low voltage oper- ation. It is suitable for application to various electronic circuits such as active filters and audio preamplifiers. n Features

  • Phase compensation circuit
  • High voltage gain, low noise
  • Output short protection circuit
  • Low voltage operation(±2.5V to±10V) AN6550 Dual Operational Amplifier n Block Diagram 0.3 + 0.1 – 0.05 23.3–0.3 6.0–0.3 2.4–0.25 3.3–0.25 1.5–0.25 0.5–0.1 2.54 1.5–0.25 1.4–0.3 30˚ 3.0–0.3 Unit:mm 9-pin SIL Plastic Package (SIP009-P-0000C) 1 8 V O1 V O2V EXT R 3 Q 3 Q 1 C 2 Q 6 R 5 R 10 R 7 Q 9 Q 8 Q 11 Q 14 Q 29 Q 26 Q 28 R 16 Q 18Q 13 Q 25 Q 23 R 18 R 22 Q 17 Q 16 C 4 R 12 R 9 R 11 R 21 V EE (GND) V CC R 8 R 13 Q 10 R 6 Q 5Q 4 R 1 C 1 R 2 R 4 Q 7 Q 22 Q 24 Q 20 Q 19 R 17 Q 21 R 15 C 3 R 14 Q 27 R 20 R 19 Q 7 Q 2 V in2– V in2+ V in1– V in1+ ■ Pin Descriptions Pin No. Pin name Ch.1 output External bias Ch.1 inverting input Ch.1 non inverting input V EE (GND) Ch.2 non inverting input Ch.2 inveting input Ch.2 output V CC

V CC , VEE V EXT V ID V ICM PD Topr Tstg V V V V mW Parameter Symbol Rating Unit ■ Absolute Maximum Ratings (Ta=25˚C) –12 V EE to VCC –24 –12 500 –20 to +75 –55 to +150 Voltage Power dissipation Temperature Supply voltage External bias supply voltage Differential input voltage Common-mode input voltage Operating ambient temperature Storage temperature Parameter Symbol Condition min typ max ■ Electrical Characteristics (VCC =2.5V, VEE =–2.5V, VEXT =2.0V, Ta=25˚C) Input offset voltage V I (offset) 6m V1.5R S 10kΩ Input offset current IIO 200 nA5 Input bias current IBias 500 nA Voltage gain 65G V dBR L 2kΩ Maximum output voltage –1.2V O (max.) V–1.7 –1V –1.5 Common-mode input voltage width –1V CM V–1.5 100 Common-mode rejection ratio 70CMR dB 80 Supply voltage rejection ratio SVR µV/V100 PC 15 mWR L=∞Power consumption Slew rate SR V/ µsR L 2kΩ 300 150 0.8 Equivalent input noise voltage V ni µVrms2.5R S=1kΩ , B=10Hz to 30kHz Unit R L 10kΩ R L 2kΩ n Pin Assignments +– + – V O1 V EXT V CCV O2 +V in1 V EE 1 23 45 6 879 –V in1 –V in2 +V in2

Frequency f (Hz) Voltage Gain GV (dB) 100k 1M 10M 100M V CC =2.5V V EE =–2.5V V EXT =2V Ta=25˚C G V –f 100 1k 10k 100k Load Resistance RL (Ω ) Maximum Output VO (max.) (V) V CC =2.5V V EE =–2.5V V EXT =2V Ta=25˚C V O (max.)–R L 10 100 1k 10k Frequency f (Hz) Equivalent Input Noise Voltage Vni (nV/ Hz) V CC =2.5V V EE =–2.5V V EXT =2V Ta=25˚C V ni–f –10 –15 –20 0 4 8 12 16 20 Supply Voltage VCC =–V EE (V) 0 4 8 12 16 20 Supply Voltage VCC =–V EE (V) Maximum Output Voltage VO (max.) (V) V EXT –V EE =4.5V, Ta=25˚C V EXT –V EE =4.5V, Ta=25˚C V CC =2.5V, VEE =–2.5V, Ta=25˚C V O (max.)–V CC , VEE –10 –15 –20 Commom Mode Input Voltage VCM (V) V CM –V CC , VEE – 2 – 1 0123 External Bias Voltage VEXT (V) Supply Current ICC (mV) ICC –V EXT 0 4 8 12 16 20 Supply Voltage VCC =–V EE (V) 0 1 02 03 04 05 06 07 08 0 Time t (µs) Supply Current ICC (mA) V EXT –V EE =4.5V Ta=25˚C ICC –V CC , VEE 1.2 1.0 0.8 0.6 0.4 0.2 Maximum Output Voltage VO (max.) (V) V O –t V CC =2.5V V EE =–2.5V V EXT =2V Ta=25˚C V CC V EE V EXT R L 1.83.7 4.6 DUT 2kΩ

2 V EXT

R=1k Ω —10kΩ 1 ) By diode ■ How to Apply External to the AN6550 AN6550 V CC V EXT V EE R 1=10kΩ VR=10k Ω AN6550 V CC V EXT V EE AN6550 V CC V EXT V EE R 10kΩ 2 ) By connecting VEXT pin to GND 3 ) By dividing with resistors 4 ) By Zener diode The AN6550 is an operational amplifier with a phase compensation circuit built-in, allowing low voltage oper- ation, and its current consumption and bandwidth can be changed by applying external bias to it. As shown below, applys bias voltage to 2 V EXT pin of the AN6550 allows the AN6550 to be handled in the very same way as the AN6551, except for pin connection. Set V EXT V EE +1V. (VCC –V EE 6V) OP. Amp. OP. Amp. V CC =5—20V 2.2kΩ 36kΩ 390kΩ 10kΩ 10kΩ 10kΩ R 1 R 2 100kΩ 100kΩ 1kΩ 47µF33µF 0.01µF2200pF 33pF 100µF 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) n Application Circuit