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| NTE7040 Integrated Circuit Audio Power Amplifier, 20W Features: D High Output Power: 20W Typ (B1 = 22V, RL = 8, f = 20Hz to 20kHz, THD = 1%) 18W Typ (B1 = 22V, RL = 8, f = 20Hz to 20kHz, THD = 0.5%) where: B1: Supply Voltage, RL: Load Frequency, f: Frequency, THD: Total Harmonic Distortion, B2 = 25V constant D Very Low Harmonic and Crossover Distortion: 0.02% Typ (B1 = 22V, RL = 8, f = 1kHz, Pout = 2W) 0.04% Typ (B1 = 22V, RL = 8, f = 20Hz to 20kHz, Pout = 2W) D Wide Frequency Range: From 5Hz to 120kHz (at -1dB frequency response) D Thermal Shut-down Circuit Included D Muting Circuit Included Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Positive Supply Voltage (Note 1), +B1, +B2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Negative Supply Voltage (Note 1), -B1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30V Output Current, IO(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5A Input Voltage, Vi(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V Power Dissipation (TC = +60C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30W Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5C/W Note 1. Standard operating voltages are as follows: +B2 = +25V, B1 = 22V, 19V Electrical Characteristics: (TA = +25C, B1 = 25V, +B2 = 25V, RL = 8, Rg = 600 unless otherwise specified) Parameter Quiescent Current Symbol +IQ1 +IQ2 -IQ1 Output Offset Voltage Input Resistance Voltage Gain (Closed Loop) Voltage Gain (Open Loop) Output Power Total Harmonic Distortion Output Noise Voltage Supply Voltage Rejection Ratio VO Rin GV GV(OL) PO1 PO2 THD Vn SVR Vin = 0 Test Conditions between +B1 and Pin5 between +B2 and Pin6 between -B1 and Pin12 Vin = 0, between Pin3 and GND f = 1kHz, R102 = 56k f = 1kHz, R103 = 680, R104 = 56k f = 1kHz, R103 = 0 f = 20kHz, THD = 0.5%, RL = 8 Note 2 THD = 0.7%, RL = 4 f = 20kHz, Pout = 2W Rg = 5.1k, BW = 20Hz to 20kHz Rg = 5.1k, fripple = 100Hz (at Pin12) Min 20 - - - - - - 15 15 - - 52 Typ 60 - - 0 55 38 88 18 18 Max 120 22 152 0.1 - - - - - Unit mA mA mA V k dB dB W W % mV dB 0.04 0.20 0.35 0.50 60 - Note 2. Standard test conditions are as follows: PO1: B1 = 22V, PO2: B1 = 19V Pin Connection Diagram (Front View) 12 GND 11 Ripple Rejection 10 Input 9 Input 8 Compensation G N D 7 Compensation 6 Muting Input 5 VCC 4 N.C. 3 Output 2 N.C. 1 N.C. 1.230 (31.2) 1.100 (28.0) .787 (20.0) .161 (4.1) Dia .142 (3.6) Dia .059 (1.5) Max .630 (16.0) Max 1 12 .276 (7.0) Min .150 (3.81) Max .100 (2.54) |
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