74AUP2GU04 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 5 — 11 October 2013 10 of 19
NXP Semiconductors
74AUP2GU04
Low-power dual unbuffered inverter
14. Application information
Some applications for the 74AUP2GU04 are:
• Linear amplifier (see Figure 11)
• Crystal oscillator (see Figure 12)
Remark: All values given are typical values unless otherwise specified.
Z
L
>10k.
R1 3k.
R2 1M.
Open loop amplification: A
OL
= 20.
Voltage amplification: .
V
o(p-p)
=V
CC
1.5 V centered at 0.5 V
CC
.
Unity gain bandwidth product is 5 MHz.
Fig 11. Linear amplifier application
C1 = 47 pF.
C2 = 22 pF.
R1 = 1 M to 10 M.
R2 optimum value depends on the frequency and required stability against changes in V
CC
or
average minimum I
CC
(I
CC
=2mA at V
CC
= 3.3 V and f = 10 MHz).
Fig 12. Crystal oscillator application
U04
R1
R2
V
CC
Z
L
mna052
1 μF
A
V
A
OL
1
R1
R2
-------
1A
OL
++
-----------------------------------------
–=
mna053
U04
out
R2
R1
C1 C2
