AD8394

Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver

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特長

Dual-supply operation from ±6 V to ±12 V
Single-supply operation from 12 V to 24 V
Low power consumption
700 mW internal power dissipation while driving
20.4 dBm ADSL2+ signal (CF = 5.5)
3 active power modes plus shutdown
Low leakage current in shutdown mode

4 current feedback, high output current amplifiers
Ideal for use as ADSL/ADSL2+ dual-channel, central office (CO) line drivers
High output voltage and current drive
Low distortion
MTPR down to −70 dBc
High speed: 300 V/μs slew rate

製品概要

The AD8394 is comprised of four high output current, low power consumption operational amplifiers. It is particularly well suited for the CO driver interface in digital subscriber line systems, such as ADSL and ADSL2+. The driver can deliver 20.4 dBm to a line, yet compensates for losses due to hybrid insertion and back termination resistors. In addition, the low distortion, fast slew rate, and high output current capability make the AD8394 ideal for other applications, such as medical instrumentation, DAC output drivers, and other high peak current circuits. Four bias modes are selectable via two digital inputs (PD0 and PD1).

The AD8394 is available in two thermally enhanced packages, a 20-lead TSSOP_EP (AD8394AREZ) and a 4 mm × 5 mm 24-lead LFCSP (AD8394ACPZ).

Applications

ADSL/ADSL2+ CO line drivers

xDSL line drives

High output current, low distortion amplifiers

DAC output buffers

Data Sheet, Rev. Sp0, 10/07