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LM339DT Arkusz danych(PDF) 21 Page - Rohm |
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LM339DT Arkusz danych(HTML) 21 Page - Rohm |
21 / 38 page Datasheet www.rohm.com TSZ02201-0RFR0G200530-1-2 © 2015 ROHM Co., Ltd. All rights reserved. 21/34 6.July.2015 Rev.001 TSZ22111・15・001 LM393xxx LM2903xx LM339xx LM2901xx Application Information Measurement Circuit 1 NULL Method Measurement Condition Vcc +,Vcc-,EK,VICM unit:V Parameter VF SW1 SW2 SW3 Vcc + Vcc - EK VICM Calculation Input Offset Voltage VF1 ON ON ON 5 to 30 0 -1.4 0 1 Input Offset Current VF2 OFF OFF ON 5 0 -1.4 0 2 Input Bias Current VF3 OFF ON ON 5 0 -1.4 0 3 VF4 ON OFF 5 0 -1.4 0 Large Signal Voltage Gain VF5 ON ON ON 15 0 -1.4 0 4 VF6 15 0 -11.4 0 -Calculation- 1. Input Offset Voltage (VIO) 2. Input Offset Current (IIO) 3. Input Bias Current (IB) 4. Large Signal Voltage Gain (AV) VIO |VF1| = 1+RF/RS [V] AV |VF5-VF6| = 10 × (1+RF/RS) [dB] 20Log = IB |VF4-VF3| 2 × RI ×(1+RF/RS) [A] IIO |VF2-VF1| RI ×(1+RF/RS) [A] = Vcc + RF=50kΩ RI=10kΩ RS=50Ω RL SW2 500kΩ 500kΩ 0.1µF EK 15V DUT Vcc - 50kΩ VICM SW1 RI=10kΩ VO VF RS=50Ω 1000pF 0.1µF -15V NULL SW3 VRL Figure 48. Measurement Circuit 1 (each Comparator) |
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