编辑: 迷音桑 | 2018-08-16 |
10 pA ITH Threshold current
10 VRESET Reset voltage Tmin ≤Tamb ≤Tmax 0.4 0.3 1.1 1.5 2.0 V IRESET Reset current
10 pA Electrical characteristics TS555 10/19 DocID4077 Rev
4 m Table 8. Dynamic electrical characteristics VCC = +5 V, Tamb = +25 °C, reset to VCC (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit Timing accuracy (monostable) (1) R =
10 kΩ, C = 0.1 ?F 1. See Figure
4 ―
2 ― % Timing shift with supply voltage variations (monostable) (1) R =
10 kΩ, C = 0.1 ?F,VCC =
5 V ±
1 V 0.38 %/V Timing shift with temperature (1) Tmin ≤Tamb ≤Tmax5
75 ppm/°C fmax Maximum astable frequency (2) RA =
470 Ω, RB =
200 Ω, C =
200 pF 2. See Figure
6 2.7 MHz Astable frequency accuracy (2) RA = RB =
1 kΩ to
100 kΩ, C = 0.1 ?F
3 % Timing shift with supply voltage variations (astable mode) (2) RA = RB =
10 kΩ, C = 0.1 ?F, VCC =
5 to
12 V 0.1 %/V tR Output rise time (Cload =
10 pF)
25 ns tF Output fall time (Cload =
10 pF)
20 tPD Trigger propagation delay
100 tRPW Minimum reset pulse width (Vtrig =
5 V)
350 DocID4077 Rev
4 11/19 TS555 Electrical characteristics
19 Table 9. Static electrical characteristics VCC = +12 V, Tamb = +25 °C, reset to VCC (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit ICC Supply current (no load, high and low states) Tmin ≤Tamb ≤Tmax
170 400
400 ?A VCL Control voltage level Tmin ≤Tamb ≤Tmax 7.4 7.3
8 8.6 8.7 V VDIS Discharge saturation voltage (Idis =
80 mA) Tmin ≤Tamb ≤Tmax 0.09 1.5 2.0 IDIS Discharge pin leakage current
1 100 nA VOL Low level output voltage (Isink =
50 mA) Tmin ≤Tamb ≤Tmax 1.2
2 2.8 V VOH High level output voltage (Isource = -10 mA) Tmin ≤Tamb ≤Tmax 10.5 10.5
11 VTRIG Trigger voltage Tmin ≤Tamb ≤Tmax 3.2 3.1
4 4.8 4.9 ITRIG Trigger current
10 pA ITH Threshold current
10 VRESET Reset Voltage Tmin ≤Tamb ≤Tmax 0.4 0.3 1.1 1.5 2.0 V IRESET Reset current
10 pA Electrical characteristics TS555 12/19 DocID4077 Rev
4 Figure 3. Supply current (per timer) versus supply voltage Table 10. Dynamic electrical characteristics VCC = +12 V, Tamb = +25 °C, reset to VCC (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit Timing accuracy (monostable) (1) R =
10 kΩ, C = 0.1 ?F, VCC = +12 V 1. See Figure
4 ―
4 ― % Timing shift with supply voltage variations (monostable) (1) R =
10 kΩ, C = 0.1 ?F, VCC = +5 V ±1 V 0.38 %/V Timing shift with temperature Tmin ≤Tamb ≤Tmax., VCC = +5 V
75 ppm/°C fmax Maximum astable frequency (2) RA =
470 Ω, RB =
200 Ω, C =
200 pF, VCC = +5 V 2. See Figure
6 2.7 MHz Astable frequency accuracy RA = RB =
1 kΩ to
100 kΩ, C = 0.1 ?F, VCC = +12 V
3 % Timing shift with supply voltage variations (astable mode) RA = RB =
1 kΩ to
100 kΩ, C = 0.1 ?F, VCC =
5 to +12 V 0.1 %/V 6833/