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LM339, LM239, LM2901, LM2901V, NCV2901, MC3302 http://onsemi.com 4 Characteristic Symbol LM239/339 LM2901/2901V/ NCV2901 MC3302 Unit Min Typ Max Min Typ Max Min Typ Max Input Offset Voltage (Note 8) VIO − − ±9.0 − − ±15 − − ±40 mVdc Input Bias Current (Notes 8, 9) IIB − − 400 − − 500 − − 1000 nA (Output in Analog Range) Input Offset Current (Note 8) IIO − − ±150 − − ±200 − − ±300 nA Input Common Mode Voltage Range VICMR 0 − VCC −2.0 0 − VCC −2.0 0 − VCC −2.0 V Saturation Voltage Vsat − − 700 − − 700 − − 700 mV VI(−) ≥ +1.0 Vdc, VI(+) = 0, Isink ≤ 4.0 mA Output Leakage Current IOL − − 1.0 − − 1.0 − − 1.0 mA VI(+) ≥ +1.0 Vdc, VI(−) = 0, VO = 30 Vdc Differential Input Voltage VID − − VCC − − VCC − − VCC Vdc All VI ≥ 0 Vdc 7. (LM239) Tlow = −25°C, Thigh = +85° (LM339) Tlow = 0°C, Thigh = +70°C (MC3302) Tlow = −40°C, Thigh = +85°C (LM2901) Tlow = −40°C, Thigh = +105° (LM2901V & NCV2901) Tlow = −40°C, Thigh = +125°C NCV2901 is qualified for automotive use. 8. 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). 9. The bias current flows out of the inputs due to the PNP input stage. This current is virtually constant, independent of the output state. 10. The response time specified is for a 100 mV input step with 5.0 mV overdrive. For larger signals, 300 ns is typical. 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 |
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