TA2092N

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2092N Power Driver IC for CD Player The TA2092N is a power driver IC developed for CD players. This IC have built-in 4 channel BTL power amplifiers which drives focus-coil, tracking-coil for 3-beam pick-up head, disc motor and feed motor. Features · 4 channel BTL linear drivers · Fixed voltage gain: GV = 15dB (typ.) · High output power : VOM1 = 5 Vp-p (typ.) @VCC = 5 V, RL = 5 Ω : VOM2 = 6 Vp-p (typ.) @VCC = 6 V, RL = 5 Ω · Thermal shutdown circuit · Input reference voltage short protection · Operating voltage range: VCC (opr) = 4.0~10.0 V (Ta = 25°C) Block Diagram Weight: 1.2 g (typ.) TA2092N 1 2001-12-19 Terminal Explanation Terminal No. Symbol Function Power GND 1 PW GND ● Connected to substrate. ● pin 1, 12, 13, 24 are connected inside. 2 OUT (−) 1 Inverted output for CH1 Supply terminal of output stage for CH1 3 PVCC1 ● Supply terminal of output stage are not connected to other channel terminal. 4 OUT (+) 1 Non-inverted output for CH1 5 VIN1 Input for CH1 ● Not biased inside Input reference voltage 6 VRI ● Under condition of VRI ≤ 1.8 V, internal bias circuit is shut off. ● No signal input condition: VRI = VIN TA2092N Equivalent Circuit 7 VCI Output reference voltage ● VOUT = VCI = (VCC−VF) /2 8 VIN2 Input for CH2 9 OUT (+) 2 Non-inverted output for CH2 10 PVCC2 Supply terminal of output stage for CH2 11 OUT (−) 2 Inverted output for CH2 12 PW GND Power GND 13 PW GND Power GND 14 OUT (−) ...