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| NTE15014 Integrated Circuit Dual dbxII Noise Reduction System Description: The NTE15014 is an integrated circuit in a 22-Lead DIP type package designed for use in dbxII noise reduction circuits for stereo applications. This device can be used for U.S. sound multiplex TV applications and low voltage operation (1.8V) allows the NTE15014 to be used in battery-operated Hi-Fi equipment. Features: D Wide Dynamic Range: 110dB D Low Operating Voltage: VCCmin = 1.8V D Minimum Number of External Components D Adjustment: Only One D Low Power Consumption D Wide Operating Voltage Range: VCC = 1.8V to 14V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA Power Dissipation (TA = +75C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW Operating Ambient Temperature range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (TA = +25C, VCC = 3V unless otherwise specified) Parameter Input/Output Characteristics ENCODE Mode Symbol VOE-1 VOE-2 VOE-3 DECODE Mode VOD-1 VOD-2 VOD-3 Test Conditions VIN = +20dB, f = 1kHz VIN = 0dB, f = 1kHz VIN = -40dB, f = 1kHz VIN = +10dB, f = 1kHz VIN = 0dB, f = 1kHz VIN = -20dB, f = 1kHz Min +7.5 -2.0 -23 +17 -2.0 -44 Typ Max Unit dB dB dB dB dB dB +10.0 +12.5 0 -20 +20 0 -40 +2.0 -17 +23 +2.0 -36 Note 1. 0dB = 20mV = -34dBV Electrical Characteristics (Cont'd): (TA = +25C, VCC = 3V unless otherwise specified) Parameter Maximum Output Voltage ENCODE Mode DECODE Mode Total Harminic Distortion (DECODE Mode) Noise Output Voltage ENCODE Mode DECODE Mode Difference Between Channels ENCODE Mode DECODE Mode Crosstalk (ENCODE Mode) Ripple Rejection Ratio (DECODE Mode) Quiescent Current Input/Output Characteristics dbx OFF Mode Total Harmonic Distortion dbx OFF Mode Output Noise Voltage (dbx OFF Mode) Symbol VOME VOMD THDD VO = +14dB, f = 1kHz Test Conditions THD = 1%, f = 1kHz Min Typ Max Unit 80 200 - 150 450 0.15 - - 0.3 mV mV % VNOE VNOD CDE CDD CT SVRR ICC VOFF Input Short, A-weight - - 100 3 0 0 60 55 1.8 20 0.3 10 200 6 1.2 1.2 - - 3.2 23 1.0 20 V V dB VIN = 0dB, f = 1kHz Measuring Channel: Short Another Channel: Output 200mV, f = 1kHz f = 60Hz, V = 100mV, Input Short VCC = 3V, Input Short VIN = +20dB, f = 1kHz - - 50 40 - 17 - - dB dB mA dB % V THDOFF VIN = +20dB, f = 1kHz VnOFF Input Short, A-weight Note 1. 0dB = 20mV = -34dBV Pin Connection Diagram Adjust 1 GND 2 RMS Input A 3 Timing A 4 CCA Input A 5 CAP1 A 6 CAP2 A 7 VOUT A 8 ON/OFF A 9 NI 10 Decode 11 22 VCC 21 N.C. 20 RMS Input B 19 Timing B 18 CCA Input B 17 CAP1 B 16 CAP2 B 15 VOUT B 14 ON/OFF B 13 I Time 12 Encode 22 12 .410 (11.41) 1 11 1.300 (33.0) .216 (5.5) .400 (10.16) .100 (2.54) 1.000 (25.4) .110 (2.79) |
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