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LM4562MA Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM4562MA Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 33 page  LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier General Description The LM4562 is part of the ultra-low distortion, low noise, high slew rate operational amplifier series optimized and fully specified for high performance, high fidelity applications. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LM4562 audio operational amplifiers deliver superior audio signal amplification for out- standing audio performance. The LM4562 combines ex- tremely low voltage noise density (2.7nV/ √Hz) with vanish- ingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most chal- lenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2k Ω loads to within 1V of either power supply voltage and to within 1.4V when driving 600 Ω loads. The LM4562’s outstanding CMRR (120dB), PSRR (120dB), and V OS (0.1mV) give the amplifier excellent operational amplifier DC performance. The LM4562 has a wide supply range of ±2.5V to ±17V. Over this supply range the LM4562’s input circuitry main- tains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LM4562 is unity gain stable. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF. The LM4562 is available in 8–lead narrow body SOIC, 8–lead Plastic DIP and 8–lead Metal Can TO-99. Demon- stration boards are available for each package. Key Specifications j Power Supply Voltage Range ±2.5V to ±17V j THD+N (AV =1,VOUT =3VRMS,fIN = 1kHz) R L =2k Ω 0.00003% (typ) R L = 600 Ω 0.00003% (typ) j Input Noise Density 2.7nV/ √Hz (typ) j Slew Rate ±20V/µs (typ) j Gain Bandwidth Product 55MHz (typ) j Open Loop Gain (RL = 600 Ω) 140dB (typ) j Input Bias Current 10nA (typ) j Input Offset Voltage 0.1mV (typ) j DC Gain Linearity Error 0.000009% Features n Easily drives 600 Ω loads n Optimized for superior audio signal fidelity n Output short circuit protection n PSRR and CMRR exceed 120dB (typ) n SOIC, DIP, TO-99 metal can packages Applications n Ultra high quality audio amplification n High fidelity preamplifiers n High fidelity multimedia n State of the art phono pre amps n High performance professional audio n High fidelity equalization and crossover networks n High performance line drivers n High performance line receivers n High fidelity active filters Typical Application 201572K5 Passively Equalized RIAA Phono Preamplifier August 2006 © 2006 National Semiconductor Corporation DS201572 www.national.com |
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