NTE2000 Integrated Circuit Dolby B Type Noise Reduction System Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Total Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C Electrical Characteristics: (VCC = 12V, f = 20Hz to 20kHz, TA = +25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Operating Voltage Vopr 10 − 15 V Supply Current ICC − 20 30 mA ±18.5 20 21.5 − 0 − − 0.08 0.3 % f = 1kHz, THD ≤ 1.0%, RL = 1kΩ 8, 9 2.5 3.1 − Vrms S/N Rg = 3.3kΩ Encode 2, 15 Decode 73 80 0 − 90 − Back to Back Frquency Response BB f = 20Hz to 20kHz −1.5 0 +1.5 dB Crosstalk CT f = 1kHz − 63 − dB f = 100/120Hz − 40 − dB − 10 − Ω − 10 − Ω − 2.7 − kΩ Voltage Gain Total Harmonic Distortion Output Voltage Signal−to−Noise Ratio GV THD VO(Max) RRR Output Resistance Rout f = 1kHz ((2 ∼ 5,, 15 ∼ 12)) (5 ∼ 8, 12 ∼ 9) f = 1kHz 0dB 8, 9 dB dB Pin Connection Diagram VCC 17 Bias Supply 1 16 Bias Bypass Input 2 15 Input Rectifier Switch 3 14 Rectifier Output Dolby® ON/OFF Sw 4 13 Emphasis/ De−Emphasis Switch 5 12 Emphasis/ De−Emphasis Switch To Rectifier Input 6 11 Stage Bypass 7 10 Stage Bypass Output 8 9 Dolby® ON/OFF Sw To Rectifier Input Output GND 18 1.007 (25.5) Max .964 (24.4) 18 17 8 1 9 16 .291 (7.4) Max .248 (6.3) .252 (6.4) .200 (5.08) 15° .188 (4.77) .020 (.508) .051 (1.29) .100 (2.54) Typ .009 (0.22)