NTE1210 Integrated Circuit Preamp w/ALC Description: The NTE1210 is a low–noise, high–gain preamplifier with a built–in ALC (automatic level control) circuit in a 9–Lead SIP type package designed for use as a record/playback preamp in cassette tape recorders. Features: D Wide ALC Range D Wide Range of Working Power Supply Voltage: 3V to 12V D High Gain, Low Distortion, and Low Noise Absoulte Maximum Ratings: (TA = +25°C unless otherwise specified) Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5mW/°C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Electrical Characteristics: (TA = +25°C, VCC = 5V unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 0.5 1.1 2.2 mA Quiescent Current ICC S1 = 2, S2 = 1, S3 = 1 Voltage Gain (Open Loop) GVO f = 1kHz, S1 = 2, S2 = 2, S3 = 1 – 70 – dB Output Noise Voltage VNO BW = 30Hz to 20kHz, S1 = 2, S2 = 2, S3 = 1 – 70 100 µVrms Total Harmonic Distortion THD f = 1kHz, S1 = 1, S2 = 2, S3 = 1 – 0.12 0.3 % Maximum Output Voltage VOM f = 1kHz, S1 = 1, S2 = 2, S3 = 1 0.7 1.0 – Vrms – 0.2 1.0 V ALC Voltage VC S1 = 1, S2 = 2, S3 = 2 Pin Connection Diagram (Front View) 9 VCC 8 Output 7 Feedback 6 Input 5 GND 4 Gain Control 3 ALC Feedback 2 Feedback 1 VCC .870 (22.0) .110 (2.8) .235 (6.0) 1 9 .195 (5.0) .100 (2.54) .800 (20.32) .012 (0.30)