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LME49870 Datasheet(PDF) 1 Page - Texas Instruments |
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LME49870 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page LME49870 www.ti.com SNAS413C – SEPTEMBER 2007 – REVISED APRIL 2013 LME49870 44V Single High Performance, High Fidelity Audio Operational Amplifier Check for Samples: LME49870 1 FEATURES DESCRIPTION The LME49870 is part of the ultra-low distortion, low 2 • Easily Drives 600 Ω Loads noise, high slew rate operational amplifier series • Optimized for Superior Audio Signal Fidelity optimized and fully specified for high performance, • Output Short Circuit Protection high fidelity applications. Combining advanced leading-edge process technology with state-of-the-art • PSRR and CMRR Exceed 120dB (Typ) circuit design, the LME49870 audio operational amplifier delivers superior audio signal amplification APPLICATIONS for outstanding audio performance. The LME49870 • High Quality Audio Amplification combines extremely low voltage noise density (2.7nV/ √Hz) with vanishingly low THD+N (0.00003%) • High Fidelity Preamplifiers, Phono Preamps, to easily satisfy the most demanding audio and Multimedia applications. To ensure that the most challenging • High Performance Professional Audio loads are driven without compromise, the LME49870 • High Fidelity Equalization and Crossover has a high slew rate of ±20V/ μs and an output current Networks with Active Filters capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2k Ω loads • High Performance Line Drivers and Receivers to within 1V of either power supply voltage and to • Low Noise Industrial Applications Including within 1.4V when driving 600 Ω loads. Test, Measurement, and Ultrasound The LME49870's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.1mV) give the amplifier excellent KEY SPECIFICATIONS operational amplifier DC performance. • Power Supply Voltage Range: ±2.5V to ±22V The LME49870 has a wide supply range of ±2.5V to • THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz) ±22V. Over this supply range the LME49870 – RL = 2kΩ: 0.00003% (Typ) maintains excellent common-mode rejection, power supply rejection, and low input bias current. The – RL = 600Ω: 0.00003% (Typ) LME49870 is unity gain stable. This Audio • Input Noise Density: 2.7nV/ √Hz (Typ) Operational Amplifier achieves outstanding AC • Slew Rate: ±20V/ μs (Typ) performance while driving complex loads with values as high as 100pF. • Gain Bandwidth Product: 55MHz (Typ) • Open Loop Gain (RL = 600Ω): 140dB (Typ) The LME49870 is available in 8–lead narrow body SOIC. Demonstration boards are available for each • Input Bias Current: 10nA (Typ) package. • Input Offset Voltage: 0.1mV (Typ) • DC Gain Linearity Error: 0.000009% 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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