DG308A Datasheet, PDF (3/4 Pages) Intersil Corporation – Quad Monolithic SPST, CMOS Analog Switch

Quad, SPST Analog Switches
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, V- = -15V, TA = TMIN to TMAX, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL
CONDITIONS
DG30_AK
MIN TYP MAX
DG30_C/D
MIN TYP MAX
UNITS
SUPPLY
Positive Supply
Current
Negative Supply
Current
DYNAMIC
I+
All channels on or off,
VIN = 0V or 15V
TA = +25°C
TA = TMAX
-10 0.001 10
-100 0.001 100
µA
100
100
I-
All channels on or off,
V_IN = 0V or 15V
TA = +25°C
TA = TMAX
-10 -0.001 10
-100
-100 -0.001 100
-100
µA
Turn-On Time
Turn-Off Time
Charge Injection
Off Isolation
(Note 3)
Source-Off
Capacitance
Drain-Off
Capacitance
Channel-On
Capacitance
tON
tOFF
Q
OIRR
CS(OFF)
CD(OFF)
CD(ON) +
C_S(ON)
Figure 1
Figure 1
CL = 0.01µF, VGEN = 0V, RGEN = 0Ω
VIN = 0V (DG308A), VIN = 15V (DG309),
ZL = 75Ω, VS = 2Vp-p, f = 500kHz
VIN = 0V (DG308A), VIN = 15V (DG309),
f = 140kHz, VS = 0V
VIN = 0V (DG308A), VIN = 15V (DG309),
f = 140kHz, VS = 0V
VIN = 0V (DG308A), VIN = 15V (DG309),
VD = VS = 0V
130 200
90 150
-10
78
11
8
27
130 200
ns
90 150
ns
-10
pC
78
dB
11
pF
8
pF
27
pF
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.
LOGIC
INPUT IN1
50%
tr < 20ns
t_f < 20ns
OV
SWITCH
INPUT
VS
SWITCH
OUTPUT VO
0V
tON
0.9VO
tOFF
0.9VO
Figure 1. Switching-Time Test Circuit
+15V
V+
SWITCH
INPUT _S1
VS = +3V
IN1
LOGIC
INPUT
SWITCH
D1
OUTPUT
V_O
R_L
1k
CL
35pF
GND
0V
V-
-15V (REPEAT TEST FOR S2, S3, AND S4)
RL
VO = VS _{RL + r DS(ON)}
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