UA1029

UNISONIC TECHNOLOGIES CO.,LTD. UA1029 LOW FREQUENCY POWER AMPLIFIER „ DESCRIPTION LINEAR INTEGRATED CIRCUIT The UTC UA1029 is a low frequency power amplier and developed for portable radio cassette tape recorder with power ON/OFF switch. The audio power IC has built-in two channels and thermal shut down protection circuit. „ FEATURES * High Power : POUT (1) = 2.5W (Typ.) (VCC = 9V, RL = 4Ω, f = 1kHz, THD = 10%) : POUT(2) = 4.6W (Typ.) (VCC = 12V, RL = 4Ω, f = 1kHz, THD = 10%) * Low Popping Noise at Power ON * Small Quiescent Current : IQ = 21mA (Typ.) (VCC = 15V, VIN = 0) * Soft Clip * Thermal Shut Down Protection * Best for Supply Voltage 9V, 12V * Operation Supply Voltage Range from 6V to 15V HSIP-14 *Pb-free plating product number: UA1029L „ www.DataSheet4U.com PIN CONFIGURATION PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PIN NAME B.S. 2 OUT 2 Vcc 1 OUT 1 B.S.1 Power-GND Vcc 2 RIPPLE NF1 IN 1 IN 2 NF 2 Pre-GND 1 Pre-GND 2 „ ORDERING INFORMATION Ordering Number Normal Lead Free Plating UA1029-H14-T UA1029L-H14-T Package HSIP-14 Packing Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co.,LTD. 1 QW-R107-033.B UA1029 „ BLOCK DIAGRAM VCC2 7 VCC1 3 LINEAR INTEGRATED CIRCUIT 5 IN1 NF1 10 9 + Ch-1 4 B.S.1 OUT1 RIPPLE 8 BIAS CIRCUIT AND TSD 6 Power-GND IN2 NF2 11 12 + Ch-2 1 B.S.2 2 OUT2 13 Pre-GND1. 14 Pre-GND2. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 QW-R107-033.B UA1029 „ ABSOLUTE MAXIMUM RATINGS (Ta = 25 ) LINEAR INTEGRA...