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LM339SNG Folha de dados(PDF) 4 Page - ON Semiconductor |
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LM339SNG Folha de dados(HTML) 4 Page - ON Semiconductor |
4 / 6 page LM339S, LM2901S http://onsemi.com 4 PERFORMANCE CHARACTERISTICS (VCC = +5.0 Vdc, TA = Tlow to Thigh (Note 5)) Characteristic Symbol LM339S LM2901S Unit Min Typ Max Min Typ Max Input Offset Voltage (Note 6) VIO − − ±9.0 − − ±15 mVdc Input Bias Current (Notes 6, 7) (Output in Analog Range) IIB − − 400 − − 500 nA Input Offset Current (Note 6) IIO − − ±150 − − ±200 nA Input Common Mode Voltage Range VICMR 0 − VCC −2.0 0 − VCC −2.0 V Saturation Voltage VI(−) ≥ +1.0 Vdc, VI(+) = 0, Isink ≤ 4.0 mA Vsat − − 700 − − 700 mV Output Leakage Current VI(+) ≥ +1.0 Vdc, VI(−) = 0, VO = 30 Vdc IOL − − 1.0 − − 1.0 mA Differential Input Voltage All VI ≥ 0 Vdc VID − − VCC − − VCC Vdc 5. (LM339S) Tlow = 0°C, Thigh = +70°C (LM2901S) Tlow = −40°C, Thigh = +105°C 6. At the output switch point, VO ] 1.4 Vdc, RS ≤ 100 W 5.0 Vdc ≤ VCC ≤ 30 Vdc, with the inputs over the full common mode range (0 Vdc to VCC −1.5 Vdc). 7. The bias current flows out of the inputs due to the PNP input stage. This current is virtually constant, independent of the output state. Figure 2. Inverting Comparator with Hysteresis Figure 3. Noninverting Comparator with Hysteresis Vref = VCC R1 Rref + R1 R2 [ R1 / / Rref Amount of Hysteresis VH VH = R2 R2 + R3 [(VO(max) - VO(min)] Vref [ VCC R1 Rref + R1 R3 ] R1 / / Rref / / R2 VH = R1 / / Rref R1/ / Rref + R2 [VO(max) - VO(min)] R2 Rref / / R1 + VCC Vin Vref + VCC + VCC Vin Vref Rref Rref - + - + VO VO 10k R1 R2 R3 10 k 1.0 M R3 R2 1.0 M 10 k R1 10 k 10 k Figure 4. Driving Logic Figure 5. Squarewave Oscillator Logic Device VCC (V) RL k W CMOS TTL 1/4 MC14001 1/4 MC7400 +15 +5.0 100 10 RS = Source Resistance R1 ] RS T1 = T2 = 0.69 RC f [ 7.2 C( mF) R2 = R3 = R4 R1 [ R2 // R3 // R4 - + + - VCC Vin Vref VCC ≥ 4.0 V VCC + C 330 k R4 330 k R3 R1 100 k 10 k R1 T1 T2 VCC VO RS RL R2 330 k |
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