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| NTE1497 Integrated Circuit Audio Preamp w/ALC Description: The NTE1497 is a silicon monolithic integrated circuit in a 7-Lead SIP type package designed for use as a high gain, low noise preamplifier with Automatic Level Control (ALC). This device is primarily used as a record and playback amplifier in cassette tape recorders. Features: D Low Noise D Wide Supply Voltage Range: VCC = 2.2V to 15V D High Gain: Ao = 70dB Typ D High Output Voltage: VOM = 1.0 Vrms Typ. D Low Distortion D Wide ALC Range Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Package Dissipation (TA = 75C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW Operating Temperature, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Recommended Operating Conditions: (TA = +25C unless otherwise specified) Operating Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2V to 15V Electrical Characteristics: (TA = +25C, VCC = 5V, f = 1kHz, RL = 10k unless otherwise specified) Parameter Circuit Current Open Loop Voltage Gain Voltage Gain Maximum Output Voltage Input Impedance Equivalent Input Noise Voltage Collector Voltage of ALC Transistor Symbol ICC Ao A VOM ri nin VPin5 in = 0 in = -80dBm in = -50dBm T.H.D. = 1% f = 1kHz RG = 2.2k, NAB Equalized 15 to 30kHz BPF + 40dB Amp Pin7 to Pin6: 100k, Pin7 to Pin5: 100 Test Conditions Min 0.9 64 - 0.7 - - - Typ 1.5 70 33.5 1.0 100 1.2 0.7 Max 2.2 - - - - 2.0 - Unit mA dB dB V k Vrms V Pin Connection Diagram (Front View) 7 VCC 6 ALC Input 5 ALC Output 4 GND 3 Output 2 N.F.B 1 Input .119 (3.02) .768 (19.5) Max .264 (6.7) Max 1 7 .465 (11.81 Min .015 (0.381) .100 (2.54) .600 (15.24) |
Price & Availability of NTE1497
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