TA2145AF Overview
TA2145AF TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2145AF 3 V Stereo Headphone Amplifier (3 V USE) The TA2145AF is developed for play-back stereo headphone equipments (3 V USE). It is built in dual preamplifiers, dual OCL power amplifiers, motor governor, DC volume control and preamplifier on/off switch etc.
TA2145AF Key Features
- Built-in preamplifier Input coupling condenser-less Built-in input capacitor for reducing buzz noise Low noise: Vni = 1.
- Built-in power amplifier OCL (Output condenser-less) Voltage gain: GV = 31 dB (typ.)
- Built-in motor governor (Current proportion type) Built-in DC volume control function ATT = 82dB (Ta = 25°C, typ.) Built
- Quiescent supply current PRE + PW: ICCQ = 8.5 mA GVN: ICC = 2.5 mA
- 0.1 mW × 2 ch output ICC1 = 9.8 mA (RL = 32 Ω) ICC2 = 10.5 mA (RL = 16 Ω)
- 0.5 mW × 2 ch output ICC3 = 14.0 mA (RL = 32 Ω) ICC4 = 16.5 mA (RL = 16 Ω)
- Operating supply voltage range (Ta = 25°C) VCC (opr) = 1.8~3.6 V GVN VCC (opr) = 2.1~3.6 V (Motor voltage = 1.8 V) Weigh