MC74LVX8051
http://onsemi.com
5
AC CHARACTERISTICS (C
L
= 50 pF, Input t
r
= t
f
= 3 ns)
Guaranteed Limit
Symbol Parameter
CC
V
−55 to 25°C ≤85°C ≤125°C
Unit
t
PLH
,
t
PHL
Maximum Propagation Delay, Channel−Select to Analog Output
(Figure 9)
2.5
3.0
4.5
5.5
30
20
15
15
35
25
18
18
40
30
22
20
ns
t
PLH
,
t
PHL
Maximum Propagation Delay, Analog Input to Analog Output
(Figure 10)
2.5
3.0
4.5
5.5
4.0
3.0
1.0
1.0
6.0
5.0
2.0
2.0
8.0
6.0
2.0
2.0
ns
t
PLZ
,
t
PHZ
Maximum Propagation Delay, Enable to Analog Output
(Figure 11)
2.5
3.0
4.5
5.5
30
20
15
15
35
25
18
18
40
30
22
20
ns
t
PZL
,
t
PZH
Maximum Propagation Delay, Enable to Analog Output
(Figure 11)
2.5
3.0
4.5
5.5
20
12
8.0
8.0
25
14
10
10
30
15
12
12
ns
C
in
Maximum Input Capacitance, Channel−Select or Enable Inputs 10 10 10 pF
C
I/O
Maximum Capacitance Analog I/O 35 35 35 pF
(All Switches Off) Common O/I 130 130 130
Feedthrough 1.0 1.0 1.0
Typical @ 25°C, V
CC
= 5.0 V
C
PD
Power Dissipation Capacitance (Figure 13)*
45
pF
* Used to determine the no−load dynamic power consumption: P
D
= C
PD
V
CC
2
f + I
CC
V
CC
.
ADDITIONAL APPLICATION CHARACTERISTICS (GND = 0 V)
Limit*
Symbol Parameter Condition
CC
V
25°C
Unit
BW Maximum On−Channel Bandwidth or
f
in
= 1MHz Sine Wave; Adjust f
in
Voltage to Obtain
MHz
Minimum Frequency Response
(Figure 6)
0dBm at V
OS
; Increase f
in
Frequency Until dB
Meter Reads −3dB;
R
L
= 50, C
L
= 10pF
3.0
4.5
5.5
80
80
80
— Off−Channel Feedthrough Isolation
(Figure 7)
f
in
= Sine Wave; Adjust f
in
Voltage to Obtain 0dBm
at V
IS
f
in
= 10kHz, R
L
= 600, C
L
= 50pF
3.0
4.5
5.5
−50
−50
−50
dB
f
in
= 1.0MHz, R
L
= 50, C
L
= 10pF
3.0
4.5
5.5
−37
−37
−37
— Feedthrough Noise. Channel−Select
Input to Common I/O (Figure 8)
V
in
≤ 1MHz Square Wave (t
r
= t
f
= 6ns); Adjust R
L
at Setup so that I
S
= 0A;
Enable = GND R
L
= 600, C
L
= 50pF
3.0
4.5
5.5
25
105
135
mV
PP
R
L
= 10k, C
L
= 10pF
3.0
4.5
5.5
35
145
190
THD Total Harmonic Distortion
(Figure 14)
f
in
= 1kHz, R
L
= 10k, C
L
= 50pF
THD = THD
measured
− THD
source
V
IS
= 2.0V
PP
sine wave
V
IS
= 4.0V
PP
sine wave
V
IS
= 5.0V
PP
sine wave
3.0
4.5
5.5
0.10
0.08
0.05
%
*Limits not tested. Determined by design and verified by qualification.
