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MAX4565/MAX4566/
Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
MAX4567
General Description
Features
The MAX4565/MAX4566/MAX4567 are low-voltage
T-switches designed for switching RF and video signals from
DC to 350MHz in 50Ω and 75Ω systems. The MAX4565
contains four normally open single-pole/single-throw (SPST)
switches. The MAX4566 contains two dual SPST switches
(one normally open, one normally closed.) The MAX4567
contains two single-pole/double-throw (SPDT) switches.
● High 50Ω Off Isolation: -83dB at 10MHz
● Low 50Ω Crosstalk: -87dB at 10MHz
● DC to 350MHz -3dB Signal Bandwidth
● 60Ω Signal Paths with ±5V Supplies
● 2.5Ω Signal-Path Matching with ±5V Supplies
● 2Ω Signal-Path Flatness with ±5V Supplies
● Low 50Ω Insertion Loss: 2.5dB at 100MHz
Each switch is constructed in a “T” configuration, ensur-
ing excellent high-frequency off isolation and crosstalk of
-83dB at 10MHz. They can handle rail-to-rail analog signals
in either direction. On-resistance (60Ω max) is matched
between switches to 2.5Ω max and is flat (2Ω max) over the
specified signal range, using ±5V supplies. The off leakage
current is less than 5nA at +25°C and 50nA at +85°C.
● ±2.7V to ±6V Dual Supplies
+2.7V to +12V Single Supply
● Low Power Consumption: <1μW
● Rail-to-Rail Bidirectional Signal Handling
● Pin Compatible with Industry-Standard DG540,
DG542, DG643
These CMOS switches can operate with dual power sup-
plies ranging from ±2.7V to ±6V or a single supply between
+2.7V and +12V. All digital inputs have 0.8V/2.4V logic
thresholds, ensuring both TTL- and CMOS-logic compat-
ibility when using ±5V or a single +5V supply.
● >2kV ESD Protection per Method 3015.7
● TTL/CMOS-Compatible Inputs
with Single +5V or ±5V
Applications
Ordering Information
● RF Switching
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
20 Plastic DIP
20 Wide SO
● Video Signal Routing
● High-Speed Data Acquisition
● Test Equipment
MAX4565CPP
MAX4565CWP
● ATE Equipment
● Networking
Ordering Information continued at end of data sheet.
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
IN1
COM1
GND1
N01
1
2
3
4
5
6
7
8
9
20 IN2
MAX4566
MAX4567
19 COM2
18 GND2
17 NO2
16 V+
1
2
3
4
5
6
7
8
16
15
1
2
3
4
5
6
7
8
16
15
IN1
COM1
GND1
N01
IN2
IN1
N01
N02
V+
COM2
V-
14 GND2
13 NO2
12 V+
V-
14 GND2
13 COM2
12 GND3
MAX4565
GND5
N04
15 GND6
14 N03
GND1
COM1
GND4
V+
V-
GND4
COM4
13 GND3
12 COM3
11 IN3
NC4
NC3
V-
11
10 GND3
COM3
11
10 NC2
IN2
GND4
COM4
IN4 10
9
NC1
9
DIP/SO/SSOP
DIP/SO/QSOP
DIP/SO/QSOP
MAX4567
MAX4565
MAX4566
1, 2
LOGIC
SWITCH
LOGIC
3, 4
LOGIC
NO-COM
NC-COM
0
1
OFF
ON
0
1
OFF
ON
ON
OFF
0
1
OFF
ON
ON
OFF
SWITCHES SHOWN
FOR LOGIC “0” INPUT
19-1252; Rev 1; 2/21
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