Product Summary
The AD8019ARZ is a low cost xDSL line driver optimized to drive a minimum of 13dBm into a 100Ω load while delivering outstanding distortion performance. The AD8019ARZ is designed on a 24V high-speed bipolar process enabling the use of ±12V power supplies or 12 V only. When operating from a single 12V supply the highly efficient amplifier architecture can typically deliver 170mA output current into low impedance loads through a 1:2 turns ratio transformer. Hybrid designs using ±12 V supplies enable the use of a 1:1 turns ratio transformer, minimizing attenuation of the receive signal. The AD8019ARZ typically draws 9mA/ amplifier quiescent current. A 1-bit digital power down feature reduces the quiescent current to approximately 1.6mA/amplifier. The applications of the AD8019ARZ include ADSL, VDSL, HDSL, and Proprietary xDSL USB, PCI, PCMCIA Modems, and Customer Premise Equipment (CPE).
Parametrics
AD8019ARZ absolute maximum ratings: (1)Supply Voltage: 26.4V; (2)Internal Power Dissipation TSSOP-14 Package2: 2.2W; (3)SOIC-8 Package3: 1.4W; (4)Input Voltage (Common-Mode): ±VS; (5)Differential Input Voltage: ±VS; (6)Output Short Circuit Duration: Observe Power Derating Curves; (7)Storage Temperature Range:–65℃ to +125℃; (8)Operating Temperature Range:–40℃ to +85℃; (9)Lead Temperature Range (Soldering 10 sec): 300℃.
Features
AD8019ARZ features: (1)Low Distortion, High Output Current Amplifiers; (2)Operate from 12V to ±12V Power Supplies,; (3)Ideal for High-Performance ADSL CPE, and xDSL Modems; (4)Low Power Operation; (5)9mA/Amp (Typ) Supply Current; (6)Digital (1-Bit) Power-Down; (7)Voltage Feedback Amplifiers; (8)Low Distortion; (9)Out-of-Band SFDR –80dBc @ 100 kHz into 100Ω Line; (10)High Speed; (11)175MHz Bandwidth (–3dB), G = +1; (12)400V/μs Slew Rate; (13)High Dynamic Range; (14)VOUT to within 1.2 V of Power Supply.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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AD8019ARZ |
Analog Devices Inc |
IC LINE DRIVER XDSL 8-SOIC |
Data Sheet |
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