参数资料
型号: 74AHCU04
厂商: NXP Semiconductors N.V.
元件分类: 电容
英文描述: CERAMIC CHIP/MIL-PRF-55681
中文描述: 陶瓷芯片/mil-prf-55681
文件页数: 9/16页
文件大小: 87K
代理商: 74AHCU04
1999 Sep 27
9
Philips Semiconductors
Product specification
Hex inverter
74AHCU04
APPLICATION INFORMATION
Some applications for the AHCU04 are:
Linear amplifier (see Fig.12)
In crystal oscillator design (see Fig.13)
Astable multivibrator (see Fig.14).
All values given are typical unless otherwise specified.
Fig.11 Typical forward transconductance g
fs
as a
function of the supply voltage at
T
amb
= 25
°
C.
handbook, halfpage
gfs
(mA/V)
0
2
4
6
30
10
0
20
MNA355
VCC (V)
handbook, halfpage
U04
R1
R2
VCC
ZL
MNA052
1
μ
F
GND
Fig.12 Used as a linear amplifier.
Z
L
> 10 k
; A
OL
= 12 (typical)
;
R1
3 k
, R2
1 M
.
Typical unity gain bandwidth product is 5 MHz.
A
OL
= open loop amplification.
A
u
= voltage amplification.
A
u
A
1
R2
A
OL
)
+
(
+
-------------------------------------------
=
V
0 max (p-p)
V
CC
2 V centered at1
2V
CC
Fig.13 Crystal oscillator configuration.
C1 = 47 pF (typical).
C2 = 33 pF (typical).
R1 = 1 to 10 M
(typical).
R2 optimum value depends on the frequency and required stability
against changes in V
or average minimum I
CC
(I
CC
is typically
5 mA at V
CC
= 5 V and f = 10 MHz).
handbook, halfpage
MNA053
U04
out
R2
R1
C1
C2
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