DG309 Maxim, DG309 Datasheet - Page 3

• Manufacturer Part Number: DG309
• Description: The DG308A/DG309 are quad, single-pole-single-throw (SPST) analog switches
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, V- = -15V, T
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
Note 3: Off isolation = 20log10 V
Figure 1. Switching-Time Test Circuit
OUTPUT VO
Positive Supply
Current
Negative Supply
Current
Turn-On Time
Turn-Off Time
Charge Injection
Off Isolation
(Note 3)
Source-Off
Capacitance
Drain-Off
Capacitance
Channel-On
Capacitance
SUPPLY
DYNAMIC
INPUT IN1
t
t
SWITCH
SWITCH
r
f
PARAMETER
LOGIC
< 20ns
< 20ns
INPUT
this data sheet.
V
OV
0V
S
50%
_______________________________________________________________________________________
SYMBOL
C
A
C
C
C
D(ON)
OIRR
= T
S(OFF)
D(OFF)
t
S(ON)
t
t
OFF
ON
I+
ON
Q
I-
MIN
+
to T
D
All channels on or off,
V
All channels on or off,
V
Figure 1
Figure 1
C
V
Z
V
f = 140kHz, V
V
f = 140kHz, V
V
V
/V
0.9V
IN
IN
IN
L
IN
IN
IN
D
L
MAX
S
= 75Ω, V
= 0.01µF, V
= V
, V
= 0V (DG308A), V
= 0V (DG308A), V
= 0V (DG308A), V
= 0V (DG308A), V
O
= 0V or 15V
= 0V or 15V
, unless otherwise noted.) (Note 2)
D
S
= output, V
= 0V
S
S
S
CONDITIONS
= 2V
t
OFF
GEN
= 0V
= 0V
p-p
Quad, SPST Analog Switches
S
= 0V, R
0.9V
, f = 500kHz
= input to off switch.
IN
IN
IN
IN
O
= 15V (DG309),
= 15V (DG309),
= 15V (DG309),
= 15V (DG309),
T
T
T
T
GEN
A
A
A
A
= +25°C
= T
= +25°C
= T
= 0Ω
MAX
MAX
LOGIC
INPUT
V
SWITCH
S
INPUT
= +3V
-100
MIN
-10
-10 -0.001
IN1
S1
DG30_AK
0.001
TYP MAX
130
-10
90
78
11
27
8
GND
V
O
= V
0V
100
200
150
S
10
10
+15V
R
L
+ r
V+
V-
-15V
R
DS(ON)
L
-100 0.001 100
-100 -0.001 100
-100
MIN
(REPEAT TEST FOR S2, S3, AND S4)
DG30_C/D
R
1k
D1
L
TYP MAX
130
-10
90
78
11
27
8
100
200
150
C
35pF
L
SWITCH
OUTPUT
V
O
UNITS
µA
µA
pC
dB
ns
ns
pF
pF
pF
3