DG419LDY+T Maxim Integrated Products, DG419LDY+T Datasheet - Page 9

• Manufacturer Part Number: DG419LDY+T
• Description: IC SWITCH SPDT 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Analog Switchr

Specifications of DG419LDY+T

• Function: Switch
• Circuit: 1 x SPDT
• On-state Resistance: 35 Ohm
• Voltage Supply Source: Single, Dual Supply
• Voltage - Supply, Single/dual (±): 10 V ~ 30 V, ±4.5 V ~ 20 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Package: 8SOIC N
• Maximum On Resistance: 100@10.8V Ohm
• Maximum Propagation Delay Bus To Bus: 185@±15V|300@12V ns
• Maximum Low Level Output Current: 30 mA
• Switch Architecture: SPDT
• Power Supply Type: Single|Dual
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Most CMOS switches require specific power-supply
sequencing in order to prevent device latchup. The
older DG417/DG418/DG419 devices require a proper
power-supply sequence of V+, V
Figure 3. DG419L Break-Before-Make Interval
Figure 4. Charge Injection
______________________________________Test Circuits/Timing Diagrams (continued)
LOGIC
INPUT
V
COM
V
+3V
OUT
0
IN
IN
OFF
OFF
Applications Information
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
_______________________________________________________________________________________
Sequencing-Free Operation
Q = ∆V
t
D
ON
ON
OUT
Logic-Compatible Analog Switches
x C
L
, then V-. Otherwise,
L
Power-Supply
∆V
OUT
0.9 x V
OFF
OFF
OUT
LOGIC
INPUT
+10V
it is necessary to add signal diodes to the circuit in
order to prevent potential latchups. The new
DG417L/DG418L/DG419L devices eliminate the need
for a V
not exceed the absolute maximum ratings because
stresses beyond the listed ratings may cause perma-
nent damage to the devices.
V
GEN
35Ω, SPST/SPDT, +3V
L
C
input and allow any power-up sequence. Do
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
NC
NO
IN
COM
GND
GND
N.C.
V
DG419L
IN
V+
V+
V-
V-
= +3V
V+
V+
V-
V-
COM
NC OR
NO
DG417L
DG418L
DG419L
C
1nF
R
300Ω
L
L
V
OUT
C
35pF
V
L
OUT
9