Datasheet

MAX14778
Dual ±25V Above- and Below-the-Rails
4:1 Analog Multiplexer
7Maxim Integrated
Typical Operating Characteristics
(V
DD
= 5.0V, T
A
= +25°C, unless otherwise noted.)
ON-RESISTANCE
vs. COMMON-MODE VOLTAGE
MAX14778 toc01
V
ACOM
(V)
ON-RESISTANCE (I)
155-5-15
0.96
0.97
0.98
0.99
1.00
0.95
-25 25
I
ACOM
= 300mA
V
DD
= 3.3V
V
DD
= 5V
ON-RESISTANCE
vs. COMMON-MODE VOLTAGE
MAX14778 toc02
V
ACOM
(V)
ON-RESISTANCE (I)
155-5-15
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.5
-25 25
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
I
ACOM
= 300mA
OFF-LEAKAGE CURRENT
vs. TEMPERATURE
MAX14778 toc03
T
A
(°C)
OFF-LEAKAGE CURRENT (nA)
603510-15
1
10
100
0.1
-40 85
V
A1
= 25V
A0 SELECTED
ACOM = GND
ON-LEAKAGE CURRENT
vs. TEMPERATURE
MAX14778 toc04
T
A
(°C)
ON-LEAKAGE CURRENT (nA)
603510-15
10
100
1000
1
-40 85
V
A0
= 25V
A0 SELECTED
ACOM UNCONNECTED
CHARGE INJECTION
vs. ANALOG SIGNAL VOLTAGE
MAX14778 toc05
V
ACOM
(V)
Q (pC)
155-5-15
200
400
600
800
1,000
1,200
0
-25 25
C
L
= 1nF
SUPPLY CURRENT vs. TEMPERATURE
MAX14778 toc06
T
A
(°C)
I
DD
(mA)
6035-15 10
0.5
1.0
1.5
2.0
3.0
2.5
3.5
4.0
0
-40 85
V
DD
= 3.3V
V
DD
= 5V
CROSSTALK vs. FREQUENCY
MAX14778 toc07
FREQUENCY (MHz)
CROSSTALK (dB)
101
-100
-80
-60
-40
-20
0
-120
0.1 100
A0 TO B0
A0 AND B0 SELECTED
OFF-ISOLATION vs. FREQUENCY
MAX14778 toc08
FREQUENCY (MHz)
OFF-ISOLATION (dB)
101
-60
-50
-40
-30
-20
-10
0
-70
0.1 100
A0 TO ACOM
A2 SELECTED
FREQUENCY RESPONSE
MAX14778 toc09
FREQUENCY (MHz)
V
OUT
/V
IN
(dB)
101
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
-10
0.1 100
A0 TO ACOM
A0 SELECTED