TA2068N

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2068N System Preamplifier for Single Cassette Deck The TA2068N is system preamplifier IC for single deck radio-cassette tape player. This IC have built-in function for single cassette deck and mixing amp for KARAOKE and Function switch for source selector. Features · Dual channel · Built-in EQ amp, REC amp, monitor amp, MIC (mixing) amp · MIC amp is suitable for both inner mic and mixing mic · Built-in source selector switch; RADIO-IN/TAPE-IN/AUX-IN · 6-operation mode are available for INNER MIC set and MIXING MIC set 1. TAPE PLAY-BACK 2. LINE-IN PLAY 3. RADIO PLAY 4. MIC RECORDING without MONITOR 5. LINE-IN RECORDING AND PLAY 6. RADIO RECORDING AND PLAY 1. APE PLAY-BACK with MIC MIXING 2. INE-IN PLAY with MIC MIXING 3. ADIO PLAY with MIC MIXING 4. IC RECORDING with MONITOR 5. INE-IN RECORDING AND PLAY with MIC MIXING 6. ADIO RECORDING AND PLAY with MIC MIXING · Operating supply voltage range : VCC (opr) = 4.0~9.0 V (Ta = 25°C) Weight: 1.2 g (typ.) TA2068N 1 2002-03-05 Block Diagram TA2068N 2 2002-03-05 Terminal Explanation Terminal No. Symbol Function 1 ALC Automatic level Control time constant terminal TA2068N Equivalent Circuit 2/11 NAB OUT Playback Amp output 3/10 NAB NF Playback Amp NF 4/9 REC OUT Recording Amp output 3 2002-03-05 Terminal No. Symbol Function 5/8 NAB IN Playback Amp input 6 Vref 7 GND Reference voltage GND terminal 12 MIC NF MIC...