DG302A Maxim, DG302A Datasheet - Page 5
DG302A
Manufacturer Part Number
DG302A
Description
Maxim's DG300–DG303 and DG300A–DG303A CMOS dual and quad analog switches combine low power operation with fast switching times and superior DC and AC switch characteristics
Manufacturer
Maxim
Datasheet
1.DG300A.pdf
(11 pages)
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Figure 1. Charge Injection Test Circuit
Figure 2. Break-Before-Make Time Test Circuit SPDT (DG301(A), DG303(A)
Figure 3. Switching Time Test Circuit
t
t
OUTPUT
R
SWITCH
F
< 20ns
< 20ns
LOGIC
INPUT
SWITCH
OUTPUT
SWITCH
OUTPUT
LOGIC
INPUT
V
GEN
R
GEN
0V
V
0V
V
V
S
0V
0V
S1
S2
V
V
O1
O2
S
_______________________________________________________________________________________
50%
X
TTL Compatible CMOS Analog Switches
V
V
0V
IHN
IHN
LOGIC "1" = SWITCH ON
50%
t
LOGIC "1" = SWITCH ON
50%
ON
IN
50%
X
90%
D
t
X
BBM
+4V
t
+4V
OFF
C
10nF
ΔV
THE ERROR VOLTAGE IN COULOMBS IS ΔQ = C
L
O
= Δ MEASURED VOLTAGE ERROR DUE TO CHARGE INJECTION
V
O
10%
V
V
S1
S2
= 3V
= 3V
S
S
IN
1
2
LOGIC
INPUT
V
S
= 3V
IN
S
L
LOGIC
INPUT
x ΔV
GND
O
+15V
.
V+
IN
V
O
X
-15V
GND
+4V
V-
ON
+15V
V+
300Ω
D
D
R
1
2
L2
-15V
V-
300Ω
R
L1
Test Circuits
300Ω
33pF
C
0
OFF
R
0V
L2
L
33pF
33pF
C
C
L1
L
SWITCH
OUTPUT
SWITCH
OUTPUT
ΔV
ON
V
V
O1
O2
O
V
O
5