BA5204F - 3V / 35mW dual power amplifier

Product Overview

Rohm

Datasheet Details

Part number	BA5204F
Manufacturer	ROHM
File Size	149.11 KB
Description	3V / 35mW dual power amplifier
Datasheet	BA5204F Datasheet
Additional preview pages of the BA5204F datasheet.

BA5204F Product details

Description

(refer to the Internal Circuit diagram) (1) Preamplifier Stage The preamplifier is comprised of the level-shift transistor Q101, a differential amplifier (Q102 and Q105), and the active load (Q103 and Q106).

The input is a PNP transistor that does not require a coupling capacitor.

Features

1) Rated output of 35mW (RL = 32Ω) off a 3V power supply. 2) Low “pop” noise when power is switched on and off. 3) Low quiescent current (13mA). 4) Excellent ripple rejection ratio (38dB). 5) Begins operating at 1.5V. FBlock diagram 6) 7) 8) 9) 10) Low distortion (0.05% at PO = 5mW). Good voltage gain balance between channels. Good channel separation (60dB Typ. ). Input coupling capacitors not required. Symmetrical pin assignments facilitates PCB design. 373 Audio ICs FInternal circuit config.

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Published: Apr 1, 2005 |