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| LM339 |
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 MOTOROLA
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3 page 
LM339, LM339A, LM239, LM239A, LM2901, M2901V, MC3302 3 MOTOROLA ANALOG IC DEVICE DATA Figure 2. Inverting Comparator with Hystersis Figure 3. Noninverting Comparator with Hysteresis Figure 4. Normalized Input Offset Voltage Figure 5. Input Bias Current Figure 6. Output Sink Current versus Output Saturation Voltage Typical Characteristics (VCC = 15 Vdc, TA = +25°C (each comparator) unless otherwise noted.) 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 TA, AMBIENT TEMPERATURE (°C) VCC, POWER SUPPLY VOLTAGE (Vdc) Vsat, OUTPUT SATURATION VOLTAGE (mV) + 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 1.40 1.20 1.00 0.80 0.60 –50 –25 0 25 50 75 100 125 48 42 36 30 24 18 12 6.0 0 0 4.0 8.0 12 16 20 24 28 32 TA = –55° C TA = +25° C TA = +125°C 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 100 200 300 400 500 10 k TA = +25° C TA = –55° C TA = +125°C 10 k 0 |
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