Datasheet

74AHC1GU04_5 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 05 — 10 July 2007 6 of 12
NXP Semiconductors
74AHC1GU04
Inverter
14. Application information
Some applications are:
• Linear amplifier (see Figure 12)
• In crystal oscillator design (see Figure 13)
Remark: All values given are typical unless otherwise specified.
Fig 9. V
CC
= 5.5 V; I
O
= 0 A Fig 10. Test set-up for measuring forward
transconductance g
fs
= ∆I
O
/∆V
I
at V
O
is
constant
02 6
6
0
3
50
0
30
10
40
20
mna399
4
V
O
(V)
V
O
I
CC
(mA)
V
I
(V)
I
D
(drain current)
mna050
V
CC
R
bias
= 560 kΩ
input
0.47 µF
100 µF
output
A
GND
I
O
V
I
(f = 1 kHz)
Fig 11. Typical forward transconductance g
fs
as a function of the supply voltage at T
amb
=25°C
0246
40
30
10
0
20
mna400
V
CC
(V)
g
fs
(mA/V)