Datasheet

Analog Switch Characteristics
Switching Characteristics
SN74LVC1G3157-Q1
www.ti.com ............................................................................................................................................................ SCES463E – JUNE 2003 – REVISED APRIL 2008
T
A
= 25 ° C
FROM TO
PARAMETER TEST CONDITIONS V
CC
TYP UNIT
(INPUT) (OUTPUT)
1.65 V 300
R
L
= 50 Ω ,
2.3 V 300
Frequency response
A or Bn Bn or A f
in
= sine wave MHz
(switch on)
(1)
3 V 300
(see Figure 6 )
4.5 V 300
1.65 V – 54
R
L
= 50 Ω ,
2.3 V – 54
Crosstalk
B1 or B2 B2 or B1 f
in
= 10 MHz (sine wave) dB
(between switches)
(2)
3 V – 54
(see Figure 7 )
4.5 V – 54
1.65 V – 57
C
L
= 5 pF, R
L
= 50 Ω ,
2.3 V – 57
Feedthrough attenuation
A or Bn Bn or A f
in
= 10 MHz (sine wave) dB
(switch off)
(2)
3 V – 57
(see Figure 8 )
4.5 V – 57
3.3 V 3
C
L
= 0.1 nF, R
L
= 1 M Ω
Charge injection
(3)
S A pC
(see Figure 9 )
5 V 7
1.65 V 0.1
V
I
= 0.5 Vp-p, R
L
= 600 Ω ,
2.3 V 0.025
f
in
= 600 Hz to 20 kHz
Total harmonic distortion A or Bn Bn or A %
(sine wave)
3 V 0.015
(see Figure 10 )
4.5 V 0.01
(1) Adjust f
in
voltage to obtain 0 dBm at output. Increase f
in
frequency until dB meter reads – 3 dB.
(2) Adjust f
in
voltage to obtain 0 dBm at input.
(3) Specified by design
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 5 and Figure 11 )
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V V
CC
= 5 V
FROM TO
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
t
pd
(1)
A or Bn Bn or A 2 1.2 0.8 0.3 ns
t
en
(2)
7 24 3.5 14 2.5 7.6 1.7 5.7
S Bn ns
t
dis
(3)
3 13 2 7.5 1.5 5.3 0.8 3.8
t
B-M
(4)
0.5 0.5 0.5 0.5 ns
(1) t
pd
is the slower of t
PLH
or t
PHL
. Propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and
the specified load capacitance when driven by an ideal voltage source (zero output impedance).
(2) t
en
is the slower of t
PZL
or t
PZH
.
(3) t
dis
is the slower of t
PLZ
or t
PHZ
.
(4) Specified by design
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