MAX9480, MAX9481, MAX9482 Low-Power, Low-Distortion, Central-Office ADSL Drivers And Integrated Drivers/Receivers

The MAX9480 MAX9481 MAX9482 low-power, low-distortion, class-G, high-current asymmetric digital subscriber line (ADSL) drivers offer Rail-to-Rail output and are ideal for ADSL in central-office applications. Operating from 5V and 2.5V supplies, the drivers incorporate two high-speed current-feedback preamplifiers driving two fixed-gain class-G Buffers The Buffers CAN deliver 20.4dBm average line power with a signal crest factor of 5.3, and are designed to be directly DC or AC bridged across a 1:2.5 transformer.
The MAX9480 MAX9481 MAX9482 employ an active line termination scheme for incoming signals that eliminates the need for back-match resistors, reducing line-card power consumption at full rate to less than half of that required by conventional class-AB line-driver circuits.
The MAX9480 includes a hybrid network and two lownoise, fixed-gain-of-4.6V/V receive Amplifiers The part is designed to recover the receive signal to the same level as that of a conventional line Interface circuit that incorporates a 1:2 transformer and standard back-matched hybrid, without degrading signal-to-noise ratio (SNR) or line-impedance sensitivity. The MAX9481 provides only the preamplifiers and Buffers without the hybrid or receivers. The MAX9482 provides preamplifiers, Buffers and uncommitted receive Amplifiers All devices have a low-output-impedance shutdown function for saving power when not transmitting.
At full-rate 20.4dBm Discrete multitone data transmission (DMT), the total dynamic power dissipation is only 680mW MAX9480 MAX9482 or 655mW MAX9481 . The MAX9480 MAX9481 are available in a 20-pin TSSOP package and the MAX9482 is available in 28-pin TSSOP and 32-pin QFN packages. All devices operate over the extended -40C to +85C temperature range.
By Maxim Integrated Products
MAX9482 's PackagesMAX9482 's pdf datasheet

MAX9482 Pinout, Pinouts
MAX9482 pinout,Pin out
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