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AD8390ACP-REEL датащи(PDF) 1 Page - Analog Devices |
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AD8390ACP-REEL датащи(HTML) 1 Page - Analog Devices |
1 / 16 page Low Power, High Output Current Differential Amplifier AD8390 FEATURES Voltage feedback amplifier Ideal for ADSL and ADSL2+ central office (CO) and customer premises equipment (CPE) applications Enables high current differential applications Low power operation Single- or dual-power supply operation from 10 V (±5 V) up to 24 V (±12 V) 4 mA total quiescent supply current for full power ADSL and ADSL2+ CO applications Adjustable supply current to minimize power consumption High output voltage and current drive 400 mA peak output drive current 44.2 V p-p differential output voltage Low distortion –82 dBc @ 1 MHz second harmonic –91 dBc @ 1 MHz third harmonic High speed: 300 V/µs differential slew rate APPLICATIONS ADSL/ADSL2+ CO and CPE line drivers xDSL line driver High current differential amplifiers GENERAL DESCRIPTION The AD8390 is a high output current, low power consumption differential amplifier. It is particularly well suited for the central office (CO) driver interface in digital subscriber line systems such as ADSL and ADSL2+. While in full bias operation, the driver is capable of providing 24.4 dBm output power into low resistance loads. This is enough to power a 20.4 dBm line while compensating for losses due to hybrid insertion, transformer insertion, and back termination resistors. The AD8390 fully differential amplifier is available in a ther- mally enhanced lead frame chip scale package (LFCSP-16) and a 16-lead QSOP/EP. Significant control and flexibility in bias current have been designed into the AD8390. The four power modes are controlled by two digital bits, PWDN (1,0) which provide three levels of driver bias and one powered-down state. In addition, the IADJ pin can be used for fine quiescent current trimming to tailor the performance of the AD8390. PIN CONFIGURATIONS +IN DGND NC = NO CONNECT NC NC NC NC NC IADJ VOCM PWDN0 PWDN1 –IN –OUT VEE VCC +OUT 1 4 12 13 16 8 5 9 Figure 1. 4 mm × 4 mm 16-Lead LFCSP VOCM NC +IN PWDN1 PWDN0 –IN NC DGND NC NC = NO CONNECT –OUT NC VEE VCC NC +OUT IADJ 16 1 9 8 Figure 2. 16-Lead QSOP/EP The low power consumption, high output current, high output voltage swing, and robust thermal packaging enable the AD8390 to be used as the central office line driver in ADSL, ADSL2+, and proprietary xDSL systems, as well as in other high current applications requiring a differential amplifier. Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. |
Аналогичный номер детали - AD8390ACP-REEL |
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Аналогичное описание - AD8390ACP-REEL |
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