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OPA1632DR Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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OPA1632DR Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 16 page FEATURES D SUPERIOR SOUND QUALITY D ULTRA LOW DISTORTION: 0.000022% D LOW NOISE: 1.3nV/√Hz D HIGH SPEED: − Slew Rate: 50V/ µs − Gain Bandwidth: 180MHz D FULLY DIFFERENTIAL ARCHITECTURE: − Balanced Input and Output Converts Single-Ended Input to Balanced Differential Output D WIDE SUPPLY RANGE: ±2.5V to ±16V D SHUTDOWN TO CONSERVE POWER APPLICATIONS D AUDIO ADC DRIVER D BALANCED LINE DRIVER D BALANCED RECEIVER D ACTIVE FILTER D PREAMPLIFIER DESCRIPTION The OPA1632 is a fully-differential amplifier designed for driving high-performance audio analog-to-digital converters (ADCs). It provides the highest audio quality, with very low noise and output drive characteristics optimized for this application. The OPA1632’s excellent gain bandwidth of 180MHz and very fast slew rate of 50V/ µs produce exceptionally low distortion. Very low input noise of 1.3nV/ √Hz further ensures maximum signal-to-noise ratio and dynamic range. The flexibility of the fully differential architecture allows for easy implementation of a single-ended to fully-differential output conversion. Differential output reduces even-order harmonics and minimizes common-mode noise interference. The OPA1632 provides excellent performance when used to drive high-performance audio ADCs such as the PCM1804. A shutdown feature also enhances the flexibility of this amplifier. The OPA1632 is available in an SO-8 package and a thermally-enhanced MSOP-8 PowerPAD package. RELATED DEVICES OPAx134 High-Performance Audio Amplifiers OPA627/637 Precision High-Speed DiFET Amplifiers OPAx227/x228 Low-Noise Bipolar Amplifiers Typical ADC Circuit THD + NOISE vs FREQUENCY 1000 10 100 10k 100k Frequency (Hz) 0.001 0.0001 0.00001 Gain = +1 R F = 348Ω V O =3Vrms Differential I/O R L =600Ω R L =2kΩ +15V Digital Output −15V V OCM V COM V IN+ V IN − V IN− V IN+ PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. OPA1632 SBOS286A − DECEMBER 2003 − REVISED SEPTEMBER 2006 High-Performance, Fully-Differential AUDIO OP AMP PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. www.ti.com Copyright 2003−2006, Texas Instruments Incorporated 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. |
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