UTCTA7738P

UTC TA7738P LINEAR INTEGRATED CIRCUIT AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER DESCRIPTION The UTC TA7738P is an amplifier system, designed for a stereo set and a radio cassette tape recorder. FEATURES *Recorder play balk for pre-amplifier *Buffer amplifier( recorder amplifier) *Power amplifier *Wide operating voltage range( 3.5V to 9V) DIP-16 BLOCK DIAGRAM Pre GND Pre Input Pre NF Pre Output Filter 2 Filter 1 Vcc Boot Strap 16 15 14 13 12 Filter 11 10 9 Pre AMP Buffer AMP Power AMP ALC 1 ALC Input 2 3 4 GND 5 6 7 8 Power Output Buffer Buffer NF Output Power Power Power NF Input GND ABSOLUTE MAXIMUN RATING(Ta=25°C) PARAMETER SYMBOL Supply Voltage Output Current Power Dissipation* Operating Temperature VCC I O(peak) PD TOPR VALUE 14 1.5 1200 -25~75 -55~150 UNIT V A mW °C °C Storage Temperature TSTG *Note: De-rated above Ta=25°C in proportion of 9.6mW/°C UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-009,A UTC TA7738P Total Quiescent Current Pre-amplifier Open Loop Voltage Gain Closed Loop Voltage Gain Maximum Output Voltage Input Impedance Equivalent Input Noise Voltage Pre-amplifier + Buffer amplifier Closed Loop Voltage Gain Maximum Output Voltage Equivalent Input Noise Voltage ALC Effect ALC Range Power amplifier Open Loop Voltage Gain Closed Loop Voltage Gain Maximum Output Power Output Noise Voltage LINEAR INTEGRATED CIRCUIT UNIT mA 35 70 40 THD<1% VOUT=0.5Vrms Rg=0 0.7 30 1.4 2.5 dB dB Vrms kΩ µΩ Vrms ELECTRONIC CHARACTERISTICS(...