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DG308A Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. DG308A
Description  Quad, SPST Analog Switches
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DG308A Datasheet(HTML) 3 Page - Maxim Integrated Products

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Quad, SPST Analog Switches
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, V- = -15V, TA = TMIN to TMAX, unless otherwise noted.) (Note 2)
8
27
Drain-Off
Capacitance
CD(OFF)
8
pF
Channel-On
Capacitance
CD(ON) +
CS(ON)
27
pF
VIN = 0V (DG308A), VIN = 15V (DG309),
f = 140kHz, VS = 0V
VIN = 0V (DG308A), VIN = 15V (DG309),
VD = VS = 0V
-100
Negative Supply
Current
I-
-100
µA
All channels on or off,
VIN = 0V or 15V
TA = TMAX
-10
Charge Injection
Q
-10
pC
CL = 0.01µF, VGEN = 0V, RGEN = 0Ω
90
150
Turn-Off Time
tOFF
90
150
ns
130
200
78
11
Turn-On Time
tON
130
200
ns
Off Isolation
(Note 3)
OIRR
78
dB
Source-Off
Capacitance
CS(OFF)
Figure 1
11
pF
VIN = 0V (DG308A), VIN = 15V (DG309),
ZL = 75Ω, VS = 2Vp-p, f = 500kHz
VIN = 0V (DG308A), VIN = 15V (DG309),
f = 140kHz, VS = 0V
Figure 1
-100 -0.001 100
-10
-0.001
10
TA = +25°C
100
I+
100
µA
All channels on or off,
VIN = 0V or 15V
TA = TMAX
-100 0.001
100
Positive Supply
Current
-10
0.001
10
TA = +25°C
DG30_C/D
MIN
TYP
MAX
PARAMETER
SYMBOL
DG30_AK
MIN
TYP
MAX
UNITS
CONDITIONS
Note 1: All leads are soldered or welded to the PC board.
Note 2: The algebraic convention where the most negative value is a minimum and the most positive value a maximum is used in
this data sheet.
Note 3: Off isolation = 20log10 VD/VS, VD = output, VS = input to off switch.
50%
OV
VS
0V
tON
tOFF
0.9VO
0.9VO
LOGIC
INPUT IN1
tr < 20ns
tf < 20ns
SWITCH
INPUT
SWITCH
OUTPUT VO
SWITCH
INPUT
VS = +3V
SWITCH
OUTPUT
VO
LOGIC
INPUT
D1
S1
IN1
+15V
V+
GND
0V
V-
-15V
RL
1k
CL
35pF
VO = VS
RL
RL + r DS(ON)
(REPEAT TEST FOR S2, S3, AND S4)
Figure 1. Switching-Time Test Circuit
SUPPLY
DYNAMIC


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