HEF4538B-Q100
NXP Semiconductors
Dual precision monostable multivibrator
001aae738
001aae739
3
3
2
∆t
∆t
W
(%)
W
(%)
(1)
2
1
(1)
1
(2)
(3)
(2)
(3)
0
0
-1
-2
-1
-2
-60
-20
20
60
100
140
(°C)
-60
-20
20
60
100
140
(°C)
T
T
amb
amb
a. Rext = 100 k; Cext = 100 nF
b. Rext = 100 k; Cext = 2 nF
(1) VDD = 5 V.
(2) VDD = 10 V.
(3) VDD = 15 V.
tW = 0 % at VDD = 10 V and Tamb = 25 C
Fig 8. Typical normalized change in output pulse width as a function of ambient temperature
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001aae741
3
3
2
1
0
10
(1)
Δt
W
(%)
I
DD
(μA)
2
(2)
10
(1)
(2)
10
(3)
1
−1
−2
−1
10
10
−2
−1
2
0
4
8
12
16
10
1
10
10
V
(V)
δ (%)
DD
Tamb = 25 C; tW = 0 % at VDD = 10 V; Rext = 100 k
Cext = 2 nF.
R
ext = 100 k; Cext = 100 nF; CL = 50 pF;
one monostable multivibrator switching only
(1)
(1) VDD = 15 V.
(2) VDD = 10 V.
(2) Cext = 100 nF.
(3)
VDD = 5 V.
Fig 9. Typical normalized change in output pulse
width as a function of the supply voltage
Fig 10. Total supply current as a function of the output
duty factor
HEF4538B_Q100
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© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 2 — 10 December 2013
11 of 17
NXP [ NXP ]
