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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TS486 датащи(PDF) 3 Page - STMicroelectronics |
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TS486 датащи(HTML) 3 Page - STMicroelectronics |
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3 / 31 page  TS486-TS487 3/31 FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICS VCC from +5V to +2V, GND = 0V, Tamb = 25°C (unless otherwise specified) APPLICATION COMPONENTS INFORMATION TYPICAL APPLICATION SCHEMATICS Symbol Parameter Min. Typ. Max. Unit RIN 1,2 Input Resistance 1) 1. See figure 30 to establish the value of Cin vs. -3dB cut off frequency. 20 k Ω G Gain value for Gain TS486/TS487-1 Gain value for Gain TS486/TS487-2 Gain value for Gain TS486/TS487-4 0dB 6dB 12dB dB Components Functional Description RIN1,2 Inverting input resistor which sets the closed loop gain in conjunction with RFEED. This resistor also forms a high pass filter with CIN (fc = 1 / (2 x Pi x RIN x CIN)) . Not needed in fixed gain versions. CIN1,2 Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminal. RFEED1,2 Feedback resistor which sets the closed loop gain in conjunction with RIN. AV= Closed Loop Gain= -RFEED/RIN. Not needed in fixed gain versions. CS Supply Bypass capacitor which provides power supply filtering. CB Bypass capacitor which provides half supply filtering. COUT1,2 Output coupling capacitor which blocks the DC voltage at the load input terminal. This capacitor also forms a high pass filter with RL (fc = 1 / (2 x Pi x RL x COUT)). |
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