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TA8227APL-D12-H-T Datasheet(PDF) 4 Page - Unisonic Technologies |
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TA8227APL-D12-H-T Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 10 page TA8227AP LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 10 www.unisonic.com.tw QW-R107-021,D ABSOLUTE MAXIMUN RATINGS (Ta=25°C) PARAMETER SYMBOL VALUE UNIT Supply Voltage VCC 20 V Output Current (peak / CH) IO(PEAK) 2.5 A Power Dissipation PD 4.0 W Operating Temperature TOPR -25~+75 °C Storage Temperature TSTG -55~+150 °C ELECTRICAL CHARACTERISTICS (Ta=25 °C, Vcc=9V, RL=4Ω, Rg=600Ω, f=1kHz, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Quiescent Current ICCQ VIN=0 21 45 mA Output Power POUT(1) POUT(2) THD=10% THD=10%, RL=3 Ω 2.0 2.5 3.0 W Total Harmonic Distortion THD POUT=0.4W/CH 0.2 1.0 % Gv1 Rf=120 Ω,VOUT=0.775Vrms (0 dBm) 43 45 47 dB Voltage Gain Gv2 Rf=0, VOUT=0.775Vrms (0 dBm) 56.5 dB Input Impedance RIN 30 k Ω Output Noise Voltage eN Rg=10k Ω,BW=20Hz~20kHz 0.3 1.0 mVrms Ripple Rejection Ratio R.R. Rg=600 Ω, fripple=100Hz -52 dB Cross Talk C.T Rg=600 Ω,VOUT=0.775Vrms (0 dBm) -50 dB Input Offset Voltage V6, V7 30 60 mV Standby Current 1stb Sw1:OFF 1 μA TYP. DC VOLTAGE OF EACH TERMINAL (Vcc=9V, Ta=25°C ) TERMINAL NO. 1 2 3 4 5 6 7 8 9 10 11 12 DC VOLTAGE (V) VCC 4.5 8.7 GND 0.7 0.03 0.03 0.7 5.0 8.7 4.5 VCC APPLICATION INFORMATION AND APPLICATION METHOD 1. Adjustment of voltage gain The voltage gain Gv is obtained as follows by R1, R2 and Rf in Fig.1 1 2 1 log 20 R R R R R G f f V + + + = When Rf=0 Ω Gv=56.5 dB (Typ.) When Rf=120 Ω Gv=45 dB (Typ.) By increasing Rf, reduction of Gv is possible. However, since the feedback increase is liable to produce oscillation, it is recommended to use this at 40dB or over. R2 30kΩ - + Ch-2 R1 45Ω CNF 47μF Rf INPUT OUTPUT Fig.1 6/7 (10/11) 5/8 (9/12) 2/11 (2/19) ( ): For SOP-20 Package |
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