NTE2004

NTE2004 Integrated Circuit [ Dolby Noise Reduction Circuit Description: The NTE2004 is a monolithic audio noise reduction circuit in a 16–Lead DIP type package designed for use in Dolby B–Type noise reduction systems. This device is used to reduce the level of background noise introduced during recording and playback of audio signals on magnetic tape and to improve the noise level in FM broadcast reception. Features: D Accurate Record Mode Frequency Response D Excellent Frequency Response Tracking with Temperature and VCC ±0.4dB Typ D Excellent Back–to–Back Dynamic Response – DC Shift Less Than 20mV Typ D Improved Stability of all OP Amps D High Reliability Packaging Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C Lead Temperature (During Soldering, 60sec max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C Electrical Characteristics: (TA = +25°C, VCC = 12V, f = 20Hz to 20kHz. All levels referenced to 580mVrms(0dB) unless otherwised specified) Parameter Supply Voltage Range Supply Current Voltage Gain (Pin5–3) (Pin3–7) Total Harmonic Distortion 2nd Harmonic 3rd H...