NTE1179
Integrated Circuit
Pre−Amplifier with ALC Transistors
Features:
DLow Noise, Low Distortion
DIncludes ALC Transistor
Absolute Maximum Ratings: (TA = +25°C, VCC = 5.5V unless otherwise specified)
Maximum Supply Voltage, VCCMAX 9.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Current Dissipation, ICCMAX 10mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Current of Transistor, ICCMAX 5mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation, PDMAX 200mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, Topr −20 to +60°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg −40 to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 5.5V, f = 1kHz, RL = 10kΩ, unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current ICCO −1.1 −mA
Voltage Gain VGOpen Loop 56 58 −dB
Closed Loop 42 45 48 dB
Output Voltage VOTHD = 5% 0.7 1.2 −V
Total Harmonic Distortion THD VO = 200mV − − 1.0 %
Input Resistance Ri20 − − kΩ
Noise Output Voltage VNO Input: Recording Head, VG = 75dB − − 10 mV
ALC Rejection − − 9dB