ANALOG DEVICES AD8390A handbook
Contents
1. o a 9 9 z gt zZz PIN 1 oO INDICATOR AD8390A TOP VIEW Not to Scale NC NO CONNECT n oO z DGND 6 07094 001 Figure 1 Thermally Enhanced 4mm x 4mm 16 Lead LFCSP FUNCTIONAL BLOCK DIAGRAM vec AD8390A 07094 002 O VEE Figure 2 Four power modes are selectable via two digital inputs PDO and PD1 providing three levels of driver bias and one power down state In addition the Ian pin is available for fine quiescent current trimming to tailor the performance of the AD8390A The low power consumption high output current high output voltage swing and robust thermal packaging enable the AD8390A 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 For more information about the AD8390A contact Analog Devices Inc at Broadband products analog com Rev SpA 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 0202. 62 9106 U S A Tel 781 329 4700 www analog com Fax 781 461 3113 2007 2009 Analog Devices Inc All rights reserved AD8390A NOTES 2007 2009 Analog Devices Inc All rights reserved Trademarks and ANALOG registered trademarks are the property of their respective owners D07094 0 1 09 SpA DEVICES www analog com Rev SpA Page 2 of 2
3. ANALOG DEVICES Low Power High Output Current Differential Amplifier AD8390A 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 supply operation from 10 V 5 V up to 24V 12 V 5 5 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 44V p p differential output voltage Low distortion 70 dBc MTPR 26 kHz to 1 1 MHz 65 dBc MTPR 1 1 MHz to 2 2 MHz High speed 260 V s differential slew rate APPLICATIONS ADSL ADSL2 CO and CPE line drivers xDSL line drivers High current differential amplifiers GENERAL DESCRIPTION The AD8390A 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 In full bias operation the driver delivers 20 4 dBm output power into low resistance loads while compensating for hybrid and transformer insertion losses and back termination resistors The AD8390A is available in a thermally enhanced LFCSP package 16 lead LFCSP Significant control and flexibility in bias current have been designed into the AD8390A PIN CONFIGURATION
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ANALOG DEVICES AD8390A handbook