AD8394 is a low power, high output current, quad op amp, ideal for use as ADSL/ADSL2+ dual-channel, central office (CO) line drivers. It supports dual-supply operation from ±6 V to ±12 V, single-supply operation from 12 V to 24 V, and has an internal power dissipation of 700 mW while driving a 20.4 dBm ADSL2+ signal (CF = 5.5). It also features a low output impedance, high output voltage and current drive, and low distortion MTPR down to −70 dBc. The AD8394 is ideal for applications such as ADSL/ADSL2+ CO line drivers, xDSL line drivers, high output current, low distortion amplifiers, and DAC output buffers.
The AD8394 is a quad operational amplifier designed for high output current and low distortion in digital subscriber line (DSL) systems such as ADSL and ADSL2+. It can deliver up to 20.4 dBm to a line and includes selectable bias modes via digital inputs.
The device operates from dual supplies of +6 V to +12 V or a single supply of 12 V to 24 V, consumes only 700 mW internally, and offers a fast 300 V/µs slew rate. It is offered in two thermally‑enhanced packages: a 20‑lead TSSOP_EP and a 24‑lead LFCSP.
| Supply Voltage (dual) | +6 V to +12 V |
|---|---|
| Supply Voltage (single) | 12 V to 24 V |
| Internal Power Dissipation | 700 mW |
| Slew Rate | 300 V/µs |
| Power Modes | 3 active modes plus shutdown |
The device dissipates about 700 mW internally while driving a 20.4 dBm signal.