NTE1457 Integrated Circuit Low Noise, Equailizer Amp Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V Power Dissipation (TA ≤ +80°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +80°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to +125°C Recommended Operating Condition: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47kΩ Electrical Characteristics: (TA = +25°C, VCC = 20V, f = 1kHz, RL = 47kΩ unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Supply Current ICC − 3.0 4.0 mA Voltage Gain VG 38 40 42 dB Output Voltage VO 3.0 4.0 − V − 0.05 − % − 200 − kΩ − 1.0 2.0 μV Total Harmonic Distortion THD Input Resistance THD = 0.2% VO = 2V ri Input Noise Voltage VNI Rg = 2.2kΩ, RIAA Pin Connection Diagram (Front View) 8 VCC 7 6 Bypass 5 GND 4 Equalization 3 Input 2 Feedback 1 Load Resistance .118 (3.0) .862 (21.89) Output .059 (1.5) 1 8 .177 (4.5) .110 (2.8) .100 (2.54) .082 (2.1) .053 (1.35)