Datasheet

MAX4554/MAX4555/MAX4556
Force-Sense Switches
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX4554 (+20V, -10V Supplies) (continued)
(V+ = +20V, V- = -10V, VL = 5V, GND = 0V, V
IN_H
= 2.4V, V
IN_L
= 0.8V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.)
SWITCH DYNAMIC CHARACTERISTICS
LOGIC INPUT
+25°C
COMS, COMG
On-Capacitance
C
ON
30 pF
V
COMS,
V
COMG
= GND; f = 1MHz;
Figure 14
+25°CCOMF On-Capacitance C
ON
130 pFV
COMF
= GND, f = 1MHz, Figure 14
+25°COff Isolation (Force) V
ISO
-30 dB
R
IN_
= 50Ω, R
OUT
= 50Ω, f = 1MHz,
V
COM_
= 100mV
RMS
, Figure 15
+25°C
C, E
170 275
Enable Time Off
+25°C
C, E
t
EN
350
375 500
ns
Enable Time On t
EN
600
ns
V
COM_
= 10V, Figure 11
V
COM_
= 10V, Figure 11
+25°C
C, E
130 300
Turn-Off Time
(Sense-Guard)
+25°C
C, E
t
OFF
350
130 300
ns
Turn-Off Time (Force) t
OFF
350
ns
V
COMS,
V
COMG
= 10V; R
L
= 1kΩ;
Figure 10
V
COMF
= 3V, R
L
= 300Ω,
Figure 10
+25°C
C, E
150 300
Turn-On Time
(Sense-Guard)
t
ON
350
ns
V
COMS,
V
COMG
= 10V; R
L
= 1kΩ;
Figure 10
+25°C
+25°C
COMS, COMG
Off-Capacitance
C
OFF
15 pF
Total Harmonic Distortion
(Force)
THD 0.007 %
V
COMS,
V
COMG
= GND; f = 1MHz;
Figure 14
C, E
IN_, EN Input Current Logic
High or Low
I
IN_H
, I
IN_L
,
I
ENH
, I
ENL
-0.5 0.03 0.5 µAV
IN_
= V
EN
= 0 or VL
C, E
IN_, EN Input Logic
Threshold Low
V
IN_L
,
V
ENL
0.8 1.6 V
+25°C
C, E
+25°C
+25°C
+25°C
150 300
Turn-On Time (Force) t
ON
350
ns
NOF_ Off-Capacitance C
OFF
22 pF
NOS_, NOG_
Off-Capacitance
C
OFF
7 pF
COMF Off-Capacitance C
OFF
50 pF
V
COMF
= 3V, R
L
= 300Ω,
Figure 10
V
NOF
= GND, f = 1MHz, Figure 14
V
NOS_,
V
NOG_
= GND; f = 1MHz;
Figure 14
V
COMF
= GND, f = 1MHz, Figure 14
C, E
+25°C
C, E
+25°C
C, E
I
COMS(OFF)
,
I
COMG(OFF)
-2.5 2.5
nA
COMS, COMG On-Leakage
Current
-0.5 0.04 0.5
I
COMS(ON)
,
I
COMG(ON)
-5.0 5.0
nA
Charge Injection Q 6 pC
IN_, EN Input Logic
Threshold High
V
IN_H
,
V
ENH
1.6 2.4 V
V+ = 22V; V- = -11V; V
COM_
= ±10V;
V
NOS_,
V
NOG_
= ±10V
V+ = 22V, V- = -11V, V
COM_
= ±10V
V
COM_
= 0, Figure 13
C, E
+25°C
COMS, COMG Off-Leakage
Current
I
NOS_(OFF)
,
I
NOG_(OFF)
-2.5 2.5
nA
-0.25 0.02 0.25
V+ = 22V; V- = -11V; V
COM_
= ±10V;
V
NOS_,
V
NOG_
= ±10V
+25°C
C, E
+25°C
On-Resistance Flatness
(Note 5)
3.5 9
R
FLAT(ON)
10
Ω
NOS_, NOG_ Off-Leakage
Current
-0.25 0.02 0.25
V
COM_
= +5V, 0V, -5V;
I
COM_
= 10mA
T
A
PARAMETER SYMBOL
MIN TYP MAX
(Note 2)
UNITSCONDITIONS
SWITCH DYNAMIC CHARACTERISTICS