DG406 Maxim, DG406 Datasheet - Page 6

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DG406

Manufacturer Part Number
DG406
Description
Maxim's redesigned DG406 and DG407 CMOS analog multiplexers now feature guaranteed matching between channels (8Ω max) and flatness over the specified signal range (9Ω max)
Manufacturer
Maxim
Datasheet

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Using supply voltages other than ±15V reduces the
analog signal range. The DG406/DG407 switches oper-
ate with ±4.5V to ±20V bipolar supplies or with a +5V to
+30V single supply; connect V- to GND when operating
with a single supply. Also, both device types can oper-
ate 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.)
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 and analog signals. If power-supply
sequencing is not possible, add two small signal
diodes in series with supply pins for overvoltage pro-
tection (Figure 1). Adding diodes reduces the analog
Improved, 16-Channel/Dual 8-Channel,
CMOS Analog Multiplexers
_____________________________________________________________Pin Descriptions
6
__________Applications Information
2, 3, 13
DG406
14–17
19–26
4–11
PIN
_______________________________________________________________________________________
12
18
27
28
1
S16–S9
NAME
A3–A0
S1–S8
GND
N.C.
EN
Operation with Supply Voltages
V+
V-
D
Positive Supply Voltage Input
No Connection. Not internally
connected.
Bidirectional Analog Inputs
Ground
Address Inputs
Enable Inputs
Bidirectional Analog Inputs
Negative Supply Voltage Input
Bidirectional Output
Overvoltage Protection
FUNCTION
Other than ±15V
signal range to 1V above V+ and 1V below V-, but low
switch resistance and low leakage characteristics are
unaffected. Device operation is unchanged, and the
difference between V+ and V- should not exceed +44V.
Figure 1. Overvoltage Protection Using External Blocking
Diodes
15, 16, 17
3, 13, 14
DG407
19–26
4–11
PIN
12
18
27
28
1
2
V
g
A2, A1, A0
S8B–S1B
S1A–S8A
NAME
S
GND
N.C.
V+
DB
EN
DA
V-
Positive Supply Voltage Input
Bidirectional Output B
No Connection. Not internally
connected.
Bidirectional Analog Inputs
Ground
Address Inputs
Enable Input
Bidirectional Analog Inputs
Negative Supply Voltage Input
Bidirectional Output A
V+
V-
FUNCTION
D

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