Datasheet

January 1995 8
Philips Semiconductors Product specification
8-channel analogue multiplexer/demultiplexer
HEF4051B
MSI
Notes
V
is
is the input voltage at a Y or Z terminal, whichever is assigned as input.
V
os
is the output voltage at a Y or Z terminal, whichever is assigned as output.
1. R
L
= 10 k to V
EE
; C
L
= 50 pF to V
EE
; E=V
SS
; V
is
=V
DD
(square-wave); see Fig.8.
2. R
L
= 10 k; C
L
= 50 pF to V
EE
; E=V
SS
; A
n
=V
DD
(square-wave); V
is
=V
DD
and R
L
to V
EE
for t
PLH
; V
is
=V
EE
and
R
L
to V
DD
for t
PHL
; see Fig.8.
3. R
L
= 10 k; C
L
= 50 pF to V
EE
; E=V
DD
(square-wave);
V
is
=V
DD
and R
L
to V
EE
for t
PHZ
and t
PZH
;
V
is
=V
EE
and R
L
to V
DD
for t
PLZ
and t
PZL
; see Fig.8.
4. R
L
= 10 k; C
L
= 15 pF; channel ON; V
is
=
1
2
V
DD (p-p)
(sine-wave, symmetrical about
1
2
V
DD
);
f
is
= 1 kHz; seeFig.9.
5. R
L
=1 k; V
is
=
1
2
V
DD (p-p)
(sine-wave, symmetrical about
1
2
V
DD
);
6. R
L
= 10 k to V
EE
; C
L
= 15 pF to V
EE
; E or A
n
=V
DD
(square-wave); crosstalk is V
os
(peak
value); see Fig.8.
7. R
L
=1 k; C
L
= 5 pF; channel OFF; V
is
=
1
2
V
DD (p-p)
(sine-wave, symmetrical about
1
2
V
DD
);
8. R
L
=1 k; C
L
= 5 pF; channel ON; V
is
=
1
2
V
DD (p-p)
(sine-wave, symmetrical about
1
2
V
DD
);
Distortion, sine-wave 5 0,25 %
note 4response 10 0,04 %
15 0,04 %
Crosstalk between 5 MHz
note 5any two channels 10 1 MHz
15 MHz
Crosstalk; enable 5 mV
note 6or address input 10 50 mV
to output 15 mV
OFF-state 5 MHz
note 7feed-through 10 1 MHz
15 MHz
ON-state frequency 5 13 MHz
note 8response 10 40 MHz
15 70 MHz
V
DD
V
SYMBOL TYP. MAX.
20 log
V
os
V
is
---------
50 dB; see Fig. 10.=
20 log
V
os
V
is
---------
50 dB; see Fig. 9.=
20 log
V
os
V
is
---------
3 dB; see Fig. 9.=