Datasheet

MAX4554/MAX4555/MAX4556
Force-Sense Switches
12 ______________________________________________________________________________________
____________________________________Typical Operating Characteristics (continued)
(V+ = +15V, V- = -15V, GND = 0V, T
A
= +25°C, unless otherwise noted.)
-40
0
-20
40
20
80
60
100
-15 -5 0-10 5 10 15
MAX4555/MAX4556
CHARGE INJECTION vs. V
COM
(+15V SUPPLIES)
MAX4554/5/6-08
V
COM
(V)
Q (pC)
SENSE & GUARD
FORCE
0
150
100
50
200
250
300
350
400
450
500
-40 10 35 60-15 85
MAX4554
ON/OFF/ENABLE TIMES vs.
TEMPERATURE (+20V, -10V SUPPLIES)
MAX4554/5/6-09
TEMPERATURE (°C)
TIME (ns)
t
EN(ON)
t
EN(OFF)
t
ON
t
OFF
0
60
40
20
80
100
120
140
160
180
-40 -15 10 35 60 85
MAX4555/4556
ON/OFF/TRANSITION TIMES vs.
TEMPERATURE (+20V/-10V SUPPLIES)
MAX4554/5/6-10
TEMPERATURE (°C)
TIME (ns)
MAX4556 t
TRANS
MAX4555 t
ON
/t
OFF
100
10
0.0001
-55
-75 100
1
MAX4554/5/6-11
TEMPERATURE (°C)
I+, I-, I
L
(µA)
0.01
0.001
-50
-25 0 75
50
0.1
25
85
A: I+ = 16.5V
B: I- = -16.5V
C: I
L
= 5.5V
SUPPLY CURRENT
vs. TEMPERATURE
A
B
C
100
0.001
FORCE SWITCH TOTAL HARMONIC
DISTORTION vs. FREQUENCY
0.01
MAX4554/5/6-14
FREQUENCY (Hz)
THD (%)
0.1
1
10
10 1k 10k100 100k
V+ = +15V
V- = -15V
5Vp-p, 600Ω IN & OUT
0
2
1
4
3
5
6
0 105 15 20 25
LOGIC-LEVEL THRESHOLD
vs. LOAD VOLTAGE
MAX4554/5/6-12
VL (V)
LOGIC-LEVEL THRESHOLD (V)
0
-120
0.1 10 1001 1000
FORCE SWITCH FREQUENCY RESPONSE
-40
-50
-60
-70
-80
-90
-100
-110
MAX4554/5/6-13
FREQUENCY (MHz)
SWITCH LOSS (dB)
PHASE (degrees)
-30
-20
-10
180
-180
60
30
0
-30
-60
-90
-120
-150
90
120
150
ON LOSS
OFF LOSS
ON PHASE