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DG408DY+T

P1-P3P4-P6P7-P9P10-P12
DG408/DG409
Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
4 _______________________________________________________________________________________
(Note 3)
CONDITIONS
C
L
= 1.0nF,
V
S
= 0V,
R
S
= 0Ω
V
AL
= 0V,
V
S1
= 5V,
Figure 3
V
AL
= 0V,
V
S1
= 5V,
Figure 3
V
S1
= 8V,
V
S8
= 0V,
V
A
= 0V,
Figure 2
I
S
= -1.0mA
V
D
= 3V or 10V
pC2QCharge Injection
ns75 300t
OFF(EN)
Enable Turn-Off Time
(Note 3)
V012V
ANALOG
Analog Signal Range
ns100 600t
ON(EN)
Enable Turn-On Time
(Note 3)
ns115 450t
TRANS
Transition Time
(Note 3)
Ω120 175r
DS(ON)
Drain-Source On-Resistance
UNITS
MIN TYP MAX
(Note 2)
SYMBOLPARAMETER
ELECTRICAL CHARACTERISTICS—Single Supply
(V+ = 12V, V- = 0V, GND = 0V, V
AH
= +2.4V, V
AL
= +0.8V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
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: Guaranteed by design.
Note 4: ΔR
ON
= R
ON(MAX)
- R
ON(MIN)
.
On-resistance match between channels and flatness are guaranteed only with specified
voltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured at
the extremes of the specified analog signal range.
Note 5: Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.
Note 6: Off isolation = 20log V
D
/V
S
, where V
D
= output and V
S
= input to off switch.
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
SWITCH
DYNAMIC
DG408/DG409
Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
_______________________________________________________________________________________ 5
120
140
160
ON-RESISTANCE vs. V
D
(DUAL SUPPLIES)
100
DG408/9 TOC-01
0
20
40
60
-20 20-15 15-10 10-5 50
80
V
D
(V)
±5V
±10V
±15V
±20V
r
DS(ON)
(Ω)
120
ON-RESISTANCE vs. V
D
AND
TEMPERATURE (DUAL SUPPLIES)
100
DG408/9 TOC-02
0
20
40
60
-15 15-10 10-5 50
80
V
D
(V)
+125°C
+85°C
+25°C
-55°C
r
DS(ON)
(Ω)
V+ = 15V
V- = -15V
280
320
360
400
ON-RESISTANCE vs. V
D
(SINGLE SUPPLY)
240
DG408/9 TOC-03
40
80
120
160
15 201050
200
V
D
(V)
r
DS(ON)
(Ω)
5V
10V
15V
20V
120
140
160
ON-RESISTANCE vs. V
D
AND
TEMPERATURE (SINGLE SUPPLY)
100
DG408/9 TOC-04
0
20
40
60
151050
80
V
D
(V)
r
DS(ON)
(Ω)
+125°C
+85°C
+25°C
-55°C
V+ = 15V
V- = 0V
30
CHARGE INJECTION vs. V
D
20
DG408/9 TOC-07
-30
-20
-10
0
-15 15-10 10-5 50
10
V
D
(V)
Q
j
(pC)
V+ = 12V
V- = 0V
V+ = 15V
V- = -15V
10
0.0001
-55 125
OFF LEAKAGE vs. TEMPERATURE
1
DG408/9 TOC-05
TEMPERATURE (
°
C)
OFF LEAKAGE (nA)
25
0.01
0.001
-35 -15 65
0.1
100
1000
45
85 105
5
I
NO (OFF)
I
COM (ON)
V+ = 15V
V- = -15V
10
0.0001
-55 125
ON LEAKAGE vs. TEMPERATURE
1
DG408/9 TOC-05
TEMPERATURE (
°
C)
ON LEAKAGE (nA)
25
0.01
0.001
-35 -15 65
0.1
100
1000
45
85 105
5
I
COM (ON)
V+ = 15V
V- = -15V
100
0.001
-55 125
SUPPLY CURRENT vs. TEMPERATURE
10
DG408/9 TOC-08
TEMPERATURE (°C)
I+, I- (μA)
25
0.1
0.01
-35 -15 65
1
45
85 105
5
I+
I-
V+ = 15V
V- = -15V
V
EN
= V
A
= 0V, 4.5V
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
Applications Information
Operation with
Supply Voltages Other than 15V
Using supply voltages less than ±15V reduces the ana-
log signal range. The DG408/DG409 switches operate
with ±5V to ±20V bipolar supplies or with a +5V to
+40V single supply. Connect V- to GND when operat-
ing with a single supply. Both device types can also
operate with unbalanced supplies, such as +24V and
-5V. The
Typical Operating Characteristics
graphs
show typical on-resistance with 20V, 15V, 10V, and 5V
supplies. (Switching times increase by a factor of two or
more for operation at 5V.)
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings, because stresses beyond the listed rat-
ings may cause permanent damage to the devices.
Always sequence V+ on first, then V-, followed by the
logic inputs, S or D. If power-supply sequencing is not
possible, add two small signal diodes in series with
supply pins for overvoltage protection (Figure 1).
Adding diodes reduces the analog signal range to 1V
below V+ and 1V above V-, but does not affect the
devices’ low switch resistance and low leakage charac-
teristics. Device operation is unchanged, and the differ-
ence between V+ and V- should not exceed +44V.
DG408/DG409
Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
6 _______________________________________________________________________________________
______________________________________________________________Pin Description
V
g
S
D
V-
V+
DG408
DG409
Figure 1. Overvoltage Protection Using External Blocking
Diodes
PIN
DG408 DG409
NAME FUNCTION
1, 15, 16 A0, A2, A1 Address Inputs
—
—
A0, A1 Address Inputs
2 2 EN Enable Input
3 3 V- Negative Supply Voltage Input
4–7 — S1–S4 Bidirectional Analog Inputs
— 4–7 S1A–S4A Bidirectional Analog Inputs
8 — D Bidirectional Analog Output
— 8, 9 DA, DB Bidirectional Analog Outputs
9–12 — S8–S5 Bidirectional Analog Inputs
— 10–13 S4B–S1B Bidirectional Analog Inputs
13 14 V+ Positive Supply Voltage Input
14 15 GND Ground
1, 16
P1-P3P4-P6P7-P9P10-P12

DG408DY+T

Mfr. #:
Buy DG408DY+T
Manufacturer:
Maxim Integrated
Description:
Multiplexer Switch ICs 8:1 CMOS Analog
Lifecycle:
New from this manufacturer.
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