NTE1466 Integrated Circuit Preamp w/ALC Transistors Features: D Pre–Amplifier (Recording or Playback) with ALC Transistors for Tape Recorder D Low Noise: VNI = 1.3µVrms (Typ) D Wide ALC Range D Operates from a Wide Range of Power Supplies: VCCopr = 3V to 15V Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2mW/°C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Electrical Characteristics: (VCC = 5V, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Supply Current ICC VIN = 0, ALC off – 1.3 1.75 mA Voltage Gain (Open Loop) GVO VIN = –80dBm f = 1kHz 67 69 – dB GV VOUT = 0.7Vrms f = 1kHz, Note 1 33 35 37 dB Maximum Output Voltage VOM f = 1kHz (below), THD = 1% Max 0.7 0.9 – Vrms Equivalent Input Noise Voltage VNI Rg = 2.2kΩ, NAB (Compensated), 1kHz Gain Converted with GV (1kHz) – 1.3 2.5 µVrms Input Resistance RIN f = 1kHz – 150 – kΩ – 60 100 mV Voltage Gain (Closed Loop) Saturation Voltage, Q5 V6(ON) Note 1. In regard to the voltage gain (closed loop voltage) value, it is possible to be classified. Pin Connection Diagram (Front View) 9 VCC 8 Output 7 Filter 6 ALC Output 5 GND 4 ALC Bias 3 Feedback 2 Input 1 Compensation .126 (3.2) .323 (8.2) Max .100 (2.54) .906 (23.0) Max 1 9 .020 (0.50) .800 (20.3) .099 (2.5) Min