Datasheet
HEF4051B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 11 — 11 September 2014 13 of 23
NXP Semiconductors
HEF4051B
8-channel analog multiplexer/demultiplexer
11.2 Additional dynamic parameters
[1] f
i
is biased at 0.5 V
DD
; V
I
=0.5V
DD
(p-p).
11.2.1 Test circuits
Table 11. Additional dynamic characteristics
V
SS
= V
EE
= 0 V; T
amb
= 25
C.
Symbol Parameter Conditions V
DD
Typ Max Unit
THD total harmonic distortion see Figure 17
; R
L
=10k; C
L
=15pF;
channel ON; V
I
=0.5V
DD
(p-p);
f
i
=1kHz
5 V
[1]
0.25 - %
10 V
[1]
0.04 - %
15 V
[1]
0.04 - %
f
(3dB)
3 dB frequency response see Figure 18; R
L
= 1 k; C
L
= 5 pF;
channel ON; V
I
=0.5V
DD
(p-p)
5 V
[1]
13 - MHz
10 V
[1]
40 - MHz
15 V
[1]
70 - MHz
iso
isolation (OFF-state) see Figure 19; f
i
= 1 MHz; R
L
= 1 k;
C
L
= 5 pF; channel OFF;
V
I
=0.5V
DD
(p-p)
10 V
[1]
50 - dB
V
ct
crosstalk voltage digital inputs to switch; see Figure 20;
R
L
= 10 k; C
L
=15pF;
E or Sn = V
DD
(square-wave)
10 V 50 - mV
Xtalk crosstalk between switches; see Figure 21
;
f
i
= 1 MHz; R
L
=1 k;
V
I
=0.5V
DD
(p-p)
10 V
[1]
50 - dB
Table 12. Dynamic power dissipation P
D
P
D
can be calculated from the formulas shown; V
EE
= V
SS
=0 V; t
r
= t
f
20 ns; T
amb
= 25
C.
Symbol Parameter V
DD
Typical formula for P
D
(W) where:
P
D
dynamic power
dissipation
5V P
D
= 1000 f
i
+ (f
o
C
L
) V
DD
2
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
DD
= supply voltage in V;
(C
L
f
o
) = sum of the outputs.
10 V P
D
= 5500 f
i
+ (f
o
C
L
) V
DD
2
15 V P
D
= 15000 f
i
+ (f
o
C
L
) V
DD
2
Fig 17. Test circuit for measuring total harmonic
distortion
Fig 18. Test circuit for measuring frequency response
D
001aak516
V
SS
f
i
R
L
C
L
V
SS
= V
EE
S1 to S3
E
Z
V
DD
or V
SS
V
DD
Yn
dB
001aak517
V
SS
f
i
R
L
C
L
V
SS
= V
EE
S1 to S3
E
Z
V
DD
or V
SS
V
DD
Yn