HEF4538BT(2009) View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
HEF4538BT Datasheet PDF : 17 Pages
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NXP Semiconductors
HEF4538B
Dual precision monostable multivibrator
3
∆tW
(%)
2
1
0
−1
001aae738
(1)
(2)
(3)
3
∆tW
(%)
2
1
0
−1
001aae739
(1)
(2)
(3)
−2
−80
−40
0
40
80
100
Tamb (°C)
−2
−80
−40
0
40
80
100
Tamb (°C)
a. REXT = 100 kΩ; CEXT = 100 nF
b. REXT = 100 kΩ; 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
3
∆tW
(%)
2
1
0
−1
(1)
(2)
001aae740
103
IDD
(µA)
102
10
1
001aae741
(1)
(2)
(3)
−2
0
4
8
12
16
VDD (V)
Tamb = 25 °C; ∆tW = 0 % at VDD = 10 V; REXT = 100 kΩ
(1) CEXT = 2 nF.
(2) CEXT = 100 nF.
Fig 9. Typical normalized change in output pulse
width as a function of the supply voltage
10−1
10−2
10−1
1
10
102
δ (%)
REXT = 100 kΩ; CEXT = 100 nF; CL = 50 pF;
one monostable multivibrator switching only
(1) VDD = 15 V.
(2) VDD = 10 V.
(3) VDD = 5 V.
Fig 10. Total supply current as a function of the output
duty factor
HEF4538B_6
Product data sheet
Rev. 06 — 2 November 2009
© NXP B.V. 2009. All rights reserved.
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