DESCRIPTION
The GL504 is a low current preamplifier designed to drive the class D series of integrated receivers. This preamp has a built-in symmetrical peak clipping output limiter, 46 dB of adjustable gain, and requires few external components.
Composed of two stages, an inverting preamp with gain of 28 dB, and a transconductance block with gain of 18 dB, the GL504 is easily configured for mid-supply reference as required by the class D receivers.

FEATURES
• designed to drive class D integrated receivers
• MPO range externally adjustable
• 150 µA typical current drain
• 46 dB of adjustable gain
• low external parts count