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| NTE1724 Integrated Circuit Audio Power Amplifier, 20W Description: This device is a monolithic integrated circuit and a power amplifier designed for Hi-Fi audio sets and in a 10 pin single in-line plastic package. NTE1724 can provide 20W (Typ) to 8 at 1% THD and 22V supply voltage. Features: D High Output Power: 20W Typ (VCC = 22V, Av = 40dB, f = 20Hz to 20kHz, RL = 8, THD = 1%) 20W Typ (VCC = 22V, Av = 27.5dB, f = 20Hz to 20kHz, RL = 8, THD = 0.5%) D Low Distortion: 0.02% Typ (VCC = 22V, Av = 40dB, f = 1kHz, RL = 8, POUT = 5.0W) 0.005% Typ (VCC = 22V, Av = 27.5dB, f = 1kHz, RL = 8, POUT = 5.0W) D Wide Frequency Bandwidth: f = 250kHz (-3dB) Absolute Maximum Ratings: Supply Voltage (Quiescent), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Circuit Current, ICC(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A Package Dissipation (Ttab = +60C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30W Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Thermal Resistance Junction to Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C/W Recommended Operating Conditions: (TA = +25C unless otherwise specified) Parameter Operating Supply Voltage Input Impedance Closed Loop Voltage Gain Load Impedance Symbol Test Conditions Min 17 47 26 4 Typ 22 56 40 8 Max 23 100 - - Unit V k dB Electrical Characteristics: (VCC = 22V, AV = 40dB, RL = 8, TG = 600, TA = +25C unless otherwise specified) Parameter Output Offset Voltage Circuit Current Output Power Symbol V10 ICC PO Test Conditions No Signal No Signal THD = 0.5%, f = 20Hz to 20kHz Min -100 30 16 Typ 0 60 18 Max +100 120 - Unit mV mA W Electrical Characteristics (Cont'd): (VCC = 22V, AV = 40dB, RL = 8, TG = 600, TA = +25C unless otherwise specified) Parameter Open Loop Voltage Gain Total Harmonic Distortion Output Noise Voltage Power Band Width Supply Voltage Rejection Ratio Symbol AVO THD NV PBW SVR Test Conditions PO = 0.3W, f = 1kHz PO = 10W, f = 20Hz to 20kHz RG = 2.2k, No Filter PO = 0.3W, -3dB RG = 2.2k fripple = 100Hz Pin Connection Diagram (Front View) 10 (-) VCC 9 GND 8 NFB 7 Input 6 Phase Compensation 5 Phase Compensation 4 Muting 3 (+) VCC 2 N.C. 1 Output Min 65 - - - 50 Typ 75 0.1 0.4 250 56 Max - 0.3 1.0 - - Unit dB % mV kHz dB 1.260 (32.0) Max .945 (24.0) .107 (2.7) .052 (1.3) R 1 10 .512 (13.0)) .591 (15.0) Max .240 (6.1) Min .100 (2.54) .030 (.762) .001 (.025) |
Price & Availability of NTE1724
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