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LA4589W Datasheet PDF - SANYO -> Panasonic

Part Name
Description
MFG CO.
Other PDF
  no available.
PDF
LA4589W Datasheet PDF : LA4589W pdf     
LA4589W image

Overview
The LA4589W is a 1.5V stereo headphone preamplifier and power amplifier IC that provides all the functions of a complete playback system in a single chip, making it idealfor battery-powered, portable cassette players.
The LA4589W incorporates a metal/normal-tape equalization preamplifier, a power amplifier dual power supply ripple filters, a reference voltage amplifier that enables small-value (under 1 µF) virtual-earth capacitors to be used, and a system controller.

Features
• Single-pin control bass boost.
• Automatic music search (AMS).
• Preamplifier inputs for auto-reverse tape mechanism.
• Single-pin control forward/reverse playback selection.
• Two, on-chip, ripple filters.
• Selectable, single or dual ripple filter operation.
• Metal- and normal-tape modes.
• Power amplifier mute function.
• On-chip reference voltage amplifier.
• No power amplifier output capacitors required.
• 73dB (typ) preamplifier open-loop voltage gain.
• 21mW (typ) output power with bass boost.
• Built-in noise reduction capacitors.
• 0.95 to 2.2V supply.
• 48-pin SQFP.

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Part Name
Description
PDF
MFG CO.
Power Amplifier for 1.5V Headphone Stereo
ON Semiconductor
STEREO HEADPHONE AMPLIFIER (1.5V USE)
Toshiba
BIPOLAR LINEAR INTEGRATED CIRCUIT (1.5V STEREO HEADPHONE AMPLIFIER)
KEC
Stereo Headphone Power Amplifier
Global Mixed-mode Technology Inc
2.6W Stereo Audio Power Amplifier and DirectDrive Headphone Amplifier
Maxim Integrated
Low Power Stereo Audio CODEC With Speaker and Headphone Amplifier.
ProTek Devices.
Stereo Headphone Power Amplifier
Global Mixed-mode Technology Inc
LOW CONSUMPTION CURRENT STEREO HEADPHONE POWER AMPLIFIER FOR PORTABLE CD (3V USE)
Toshiba
BIPOLAR LINEAR INTEGRATED CIRCUIT (RIPPPLE FILTER FOR 1.5V HEADPHONE STEREO)
KEC
Pre/Power Amplifier Governor Single Chip IC for 3V Headphone Stereo
Panasonic Corporation

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