74LVU04 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 7 — 18 September 2014 10 of 20
NXP Semiconductors
74LVU04
Hex unbuffered inverter
14. Application information
Some applications are:
• Linear amplifier (see Figure 13)
• In crystal oscillator design (see Figure 14)
• Astable multivibrator (see Figure 15)
Remark: All values given are typical unless otherwise specified.
Maximum V
o(p-p)
=V
CC
1.5 V centered at 0.5V
CC
.
G
ol
= open loop gain
G
v
= voltage gain
C
I
, see Figure 16
R1 3k,R2 1M
Z
L
>10k; G
ol
=20(typical)
Typical unity gain bandwidth product is 5 MHz.
C1 = 47 pF (typical)
C2 = 22 pF (typical)
R1 = 1 M to 10 M (typical)
R2 optimum value depends on the frequency and
required stability against changes in V
CC
or average
minimum I
CC
(I
CC
is typically 2 mA at V
CC
= 3 V and
f
i
=1MHz).
See Table 10
and Table 11
Fig 13. Linear amplifier Fig 14. Crystal oscillator
8
5
5
9
&&
=
/
PQD
)
PQD
8
RXW
5
5
& &
G
v
G
ol
1
R1
R2
-------
1G
ol
++
---------------------------------------
–=
Table 10. External components for oscillator (f < 1 MHz)
All values given are typical and must be used as an initial set-up.
Frequency R1 R2 C1 C2
10 kHz to 15.9 kHz 2.2 M 220 k 56 pF 20 pF
16 kHz to 24.9 kHz 2.2 M 220 k 56 pF 10 pF
25 kHz to 54.9 kHz 2.2 M 100 k 56 pF 10 pF
55 kHz to 129.9 kHz 2.2 M 100 k 47 pF 5 pF
130 kHz to 199.9 kHz 2.2 M 47 k 47 pF 5 pF
200 kHz to 349.9 kHz 2.2 M 47 k 47 pF 5 pF
350 kHz to 600 kHz 2.2 M 47 k 47 pF 5 pF
