Overview
The LA3246 is a stereo preamplifier IC for double cassette tape playback-only use. The LA3246 is intended for use in portable radio-cassette tape recorders and tape decks.

Features
• On-chip electronic switch for input select (auto reverse or A deck/B deck select)
• On-chip electronic switch for normal/higher dubbing select and electronic switch for metal/normal tape select
• Wide operating voltage range (VCC op = 3.5 to 14 V)
• With output MIX pin (for music select control)
• Low noise voltage range (VNI = 0.9 µV typ, Rg = 2.2 kΩ NAB)
• Can be used in conjunction with the LA3240, 3241, 3242 to easily make up a doublecassette dubbing system.

Functions
• Preamplifier × 2, Mixing amplifier × 1, Electronic switch × 6

Applications
• Stereo compact cassette player for playback-only use
• Stereo cassette deck player