DG419L Maxim, DG419L Datasheet - Page 8

• Manufacturer Part Number: DG419L
• Description: The DG417L/DG418L/DG419L precision, CMOS analog switches feature low on-resistance (RON = 35Ω), guaranteed RON matching between switches (3Ω max), and guaranteed RON flatness over the signal range (4Ω max)
• Manufacturer: Maxim

35Ω, SPST/SPDT, +3V
Logic-Compatible Analog Switches
Figure 2. DG419L Transition Time
8
______________________________________________________________Pin Description
Figure 1. DG417L/DG418L Switching Time
_____________________________________________________Test Circuits/Timing Diagrams
DG417L
2, 5
_______________________________________________________________________________________
—
1
3
4
6
7
8
OUTPUT
SWITCH
LOGIC
INPUT
OUTPUT
SWITCH
DG418L
LOGIC
INPUT
PIN
2, 5
—
+3V
1
3
4
6
7
8
0
0
V
OUT1
+3V
0
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
DG419L
V
t
4
1
5
3
6
7
2
8
50%
OUT
ON
V
OUT2
t
TRANS
50%
0.9 x V
NAME
COM
OUT
GND
N.C.
NO
NC
V+
0.8 x V
IN
V-
t
OFF
0.8 x V
OUT2
t
TRANS
Analog Switch Common Terminal
No Connection. Not internally connected.
Logic Ground
Analog Signal Positive Supply Input
Logic-Level Input
Analog Signal Negative Supply Input
Analog Switch Normally Closed Terminal
Analog Switch Normally Open Terminal
t
t
R
F
t
t
R
F
OUT1
0.9 x V
< 20ns
< 20ns
< 20ns
< 20ns
OUT
LOGIC
INPUT
LOGIC
INPUT
SWITCH
INPUT
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
C
NC
NO
FUNCTION
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
COM
IN
IN
V
OUT
GND
N.C.
GND
V+
V+
= V
D
(
R
L
+ R
R
N.C.
L
V-
V-
DS(ON )
V+
V+
V-
V-
COM
)
OR NO
NC
DG419L
DG417L
DG418L
R
300Ω
R
300Ω
L
L
V
OUT
SWITCH
OUTPUT
C
35pF
C
35pF
L
L
V
OUT