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| NTE1458 Integrated Circuit Dual Audio Preamp Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA Power Dissipation (TA = +75C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Recommended Operating Condition: Parameter Supply Voltage Symbol VCC Test Conditions Min 6.0 Typ Max Unit V 13.2 17.0 Electrical Characteristics: (TA = +25C, VCC = 13.2V, f = 1kHz, RL = 10k unless otherwise specified) Parameter Quiescent Current Open Loop Voltage Gain Voltage Gain Maximum Output Voltage Total Harmonic Distortion Input Impedance Equivalent Input Noise Voltage Crosstalk Channel Balance Symbol ICC Ao A VOM THD Zin nin RG = 2.2k, NAB = 45dB, BPF (15Hz to 30kHz) o = 1V, NAB = 45dB, RG = 2.2k o = 0.3V i = 0 o = 0.3V o = 0.3V, NAB = 45dB THD = 1%, NAB = 45dB o = 0.3V, NAB = 45dB Test Conditions Min Typ Max Unit 2.5 78 - 1.0 - 50 - - -0.5 3.3 88 45 1.6 100 1.2 -65 0 5.5 - - - - 2.0 - +0.5 mA dB dB Vrms % k Vrms dB dB 0.13 0.3 Pin Connection Diagram (Front View) 8 Input Amp 2 7 Feedback 6 Output Amp 2 5 GND 4 VCC 3 Output Amp 1 2 Feedback 1 Input Amp 1 .768 (19.52) Max .118 (3.0) Max .264 (6.72) Max 1 8 .165 (4.2) Min .100 (2.54) Typ .700 (17.78) |
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