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LM2903H Datasheet(PDF) 4 Page - STMicroelectronics |
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LM2903H Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 9 page Electrical characteristics LM2903H 4/9 3 Electrical characteristics Table 3. VCC + = 5V, V CC - = GND, T amb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit Vio Input offset voltage (1) Tmin ≤ Tamb ≤ Tmax 17 15 mV Iio Input offset current Tmin ≤ Tamb ≤ Tmax 550 150 nA Iib Input bias current (2) Tmin ≤ Tamb ≤ Tmax 25 250 400 nA AVD Large signal voltage gain (VCC + = 15V,R L=15kΩ, Vo=1 to 11V) 25 200 V/mV ICC Supply current (all comparators) VCC += 5V, no load VCC + = 30V, no load 0.4 1 1 2.5 mA Vid Differential input voltage (3) VCC + V VOL Low level output voltage (Vid = -1V, Isink = 4mA) Tmin ≤ Tamb ≤ Tmax 250 400 800 mV IOH High level output current (VCC + =V o =30V, Vid = 1V) Tmin ≤ Tamb ≤ Tmax 0.1 1 nA µA Isink Output sink current (Vid = -1V,Vo = 1.5V) Tmin ≤ Tamb ≤ Tmax 6 2 16 mA tre Small signal response time (4) (RL = 5.1kΩ to VCC +)1.3 µs trel Large signal response time (5) TTL input (Vref = +1.4 V, RL=5.1kΩ to VCC +) Output signal at 50% of final value Output signal at 95% of final value 500 1 ns µs 1. At output switch point, VO ≈ 1.4 V, RS = 0 Ω with VCC + from 5 V to 30 V, and over the full input common-mode range (0 V to VCC + –1.5 V). 2. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the output, so there is no load charge on the reference of input lines. 3. Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the common-mode range, the comparator will provide a proper output state. The low input voltage state must not be less than –0.3 V (or 0.3 V below the negative power supply, if used) 4. The response time specified is for a 100 mV input step with 5 mV overdrive. 5. Maximum values are guaranteed by design and evaluation. |
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