전자부품 데이터시트 검색엔진 |
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LM1818N 데이터시트(PDF) 2 Page - National Semiconductor (TI) |
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LM1818N 데이터시트(HTML) 2 Page - National Semiconductor (TI) |
2 / 14 page Absolute Maximum Ratings If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage 18V Package Dissipation (Note 1) 1560 mW Storage Temperature b 65 Cto a150 C Operating Temperature 0 Cto a70 C Junction Temperature 150 C Minimum Voltage on Any Pin b 01 VDC Maximum Voltage on Pins 2 and 5 01 VDC Maximum Current Out of Pin 14 5 mADC Lead Temperature (Soldering 10 sec) 260 C Electrical Characteristics VCC e 6V TA e 25 C See Test Circuits(Figures 2 and3) Parameter Conditions Min Typ Max Units Operating Supply Voltage Range 35 18 VDC Supply Current Test Circuit (Figure 2) 512 mA Turn-ON Time Externally Programmable 50 400 ms Playback Signal to Noise DIN Eq (3180 and 120 ms) 20 – 20 kHz RS e 0 Unweighted VREF e 1mV 74 dB at 400 Hz Record Signal to Noise Flat Gain 20 – 20 kHz RS e0 ALC OFF VREF e 1mV 69 dB at 1 kHz Unweighted Fast Turn-ON Charging Current Pins 16 and 17 200 m A Record and Playback Preamplifier f e 100 Hz 100 dB Open Loop Voltage Gain Preamplifier Input Impedance Pin 16 or Pin 17 50 kX Preamplifier Input Referred PSRR 1 kHz Flat Gain 85 dB Bias Voltage on Pin 18 in Play Mode 05 V or Pin 15 in Record Mode Monitor Amplifier Input Pins 11 and 12 05 m A Bias Current Monitor Amplifier Open Record or Playback f e 100 Hz 80 dB Loop Voltage Gain Monitor Output Current Capability Pins 9 and 10 Source Current Available 400 750 m A Monitor Amplifier Output Swing RL e 10k AC Load 12 165 Vrms THD All Amplifiers At 1 kHz 40 dB Closed Loop Gain 005 % Record-Playback Switching Time As in Test Circuit 50 ms Input ALC Range D VIN for DVOUT e 8dB 40 dB Input Voltage on ALC Pin for 25 mVrms Start of ALC Action ALC Input Impedance 2kX ALC Attack Time C13 e 10 mF7 ms ALC Decay Time R17 e % C13 e 10 mF 30 sec Meter Output Gain 100 mVrms at 1 kHz into Pin 4 800 mVDC Meter Output Current Capability 2 mADC Note 1 For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance of 80 CW junction to ambient 2 |
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