MAX4545CAP Maxim Integrated Products, MAX4545CAP Datasheet

IC VIDEO SWITCH QUAD SPST 20SSOP

MAX4545CAP

Manufacturer Part Number
MAX4545CAP
Description
IC VIDEO SWITCH QUAD SPST 20SSOP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX4545CAP

Function
Video Switch
Circuit
4 x SPST - NO
On-state Resistance
20 Ohm
Voltage Supply Source
Single, Dual Supply
Voltage - Supply, Single/dual (±)
2.7 V ~ 12 V, ± 2.7 V ~ 6 V
Current - Supply
1µA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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The MAX4545/MAX4546/MAX4547 are low-voltage
T-switches designed for switching RF and video signals
from DC to 300MHz in 50Ω and 75Ω systems. The
MAX4545 contains four normally open single-pole/single-
throw (SPST) switches. The MAX4546 contains two dual
SPST switches (one normally open, one normally closed.)
The MAX4547 contains two single-pole/double-throw
(SPDT) switches.
Each switch is constructed in a “T” configuration, ensuring
excellent high-frequency off isolation and crosstalk of
-80dB at 10MHz. They can handle Rail-to-Rail
nals in either direction. On-resistance (20Ω max) is
matched between switches to 1Ω max and is flat (0.5Ω
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.
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 com-
patibility when using ±5V or a single +5V supply.
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
________________________Applications
19-1232; Rev 0; 6/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
_____________________Pin Configurations/Functional Diagrams/Truth Tables
_______________General Description
SWITCHES SHOWN
FOR LOGIC “0” INPUT
RF Switching
Video Signal Routing
High-Speed Data Acquisition
Test Equipment
ATE Equipment
Networking
TOP VIEW
COM1
COM4
GND1
GND5
GND4
________________________________________________________________ Maxim Integrated Products
N01
N04
IN1
IN4
V-
10
1
2
3
4
5
6
7
8
9
LOGIC
DIP/SO/SSOP
0
1
MAX4545
MAX4545
SWITCH
OFF
ON
20
19
18
17
16
15
14
13
12
11
Bidirectional RF/Video Switches
IN2
COM2
GND2
NO2
V+
GND6
N03
GND3
COM3
IN3
®
analog sig-
COM1
COM4
GND1
GND4
NC4
N01
IN1
V-
LOGIC
0
1
1
2
6
3
4
5
7
8
Quad/Dual, Low-Voltage,
DIP/SO/QSOP
Ordering Information continued at end of data sheet.
____________________________Features
MAX4546
______________Ordering Information
MAX4545CPP
MAX4545CWP
MAX4546
Low 50Ω Insertion Loss: -1dB at 100MHz
High 50Ω Off Isolation: -80dB at 10MHz
Low 50Ω Crosstalk: -80dB at 10MHz
DC to 300MHz -3dB Signal Bandwidth
20Ω Signal Paths with ±5V Supplies
1Ω Signal-Path Matching with ±5V Supplies
0.5Ω Signal-Path Flatness with ±5V Supplies
±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
>2kV ESD Protection per Method 3015.7
TTL/CMOS-Compatible Inputs
with Single +5V or ±5V
OFF
1, 2
ON
PART
16
15
14
13
12
11
10
9
3, 4
OFF
ON
IN2
COM2
GND2
NO2
V+
NC3
GND3
COM3
TEMP. RANGE
0°C to +70°C
0°C to +70°C
COM1
GND1
GND4
NC1
N01
IN1
V+
V-
LOGIC
0
1
1
2
6
3
4
5
7
8
DIP/SO/QSOP
PIN-PACKAGE
MAX4547
NO-COM
MAX4547
20 Plastic DIP
20 Wide SO
OFF
ON
NC-COM
16
15
14
13
12
11
10
9
OFF
ON
N02
V+
GND2
COM2
GND3
V-
NC2
IN2
1

Related parts for MAX4545CAP

MAX4545CAP Summary of contents

Page 1

... SWITCHES SHOWN 1 ON FOR LOGIC “0” INPUT Rail-to-Rail is a registered trademark of Nippon Motorola Ltd. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches ____________________________Features Low 50Ω Insertion Loss: -1dB at 100MHz High 50Ω ...

Page 2

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches ABSOLUTE MAXIMUM RATINGS (Voltages Referenced to GND) V+ ...........................................................................-0.3V, +13.0V V- ............................................................................-13.0V, +0. V-...................................................................-0.3V, +13.0V All Other Pins (Note 1) ..........................(V- - 0.3V) to (V+ + 0.3V) Continuous Current into Any Terminal..............................±25mA Peak ...

Page 3

ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = +4.5V to +5.5V -4.5V to -5.5V, V values are +25°C.) A PARAMETER SYMBOL SWITCH DYNAMIC CHARACTERISTICS Turn-On Time Turn-Off Time Break-Before-Make Time Delay (MAX4546/MAX4547 only) Charge Injection (Note 3) ...

Page 4

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches ELECTRICAL CHARACTERISTICS—Single +5V Supply (V+ = +4.5V to +5.5V 0V 0.8V, V INL +25°C.) A PARAMETER SYMBOL ANALOG SWITCH V COM_ Analog Signal Range V NO_ Signal-Path On-Resistance ...

Page 5

ELECTRICAL CHARACTERISTICS—Single +3V Supply (V+ = +2.7V to +3.6V 0V 0.8V, V INL +25°C.) A PARAMETER SYMBOL ANALOG SWITCH V Analog Signal Range V NO_ Signal-Path On-Resistance LOGIC INPUT IN_ Input Logic Threshold ...

Page 6

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches __________________________________________Typical Operating Characteristics (V+ = +5V -5V +25°C, GND = 0V, packages are surface mount, unless otherwise noted.) A ON-RESISTANCE vs. V COM (DUAL SUPPLIES) 100 V 1.2V, -1.2V ...

Page 7

Operating Characteristics (continued) (V+ = +5V -5V +25°C, GND = 0V, packages are surface mount, unless otherwise noted.) A LOGIC-LEVEL THRESHOLD vs. POSITIVE SUPPLY VOLTAGE 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0 ...

Page 8

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches ______________________________________________________________Pin Description PIN MAX4545 MAX4546 MAX4547 1, 10 12 ...

Page 9

Typical attenuation in 50Ω systems is -1dB and is rea- sonably flat up to 100MHz. Higher-impedance circuits show even lower attenuation (and vice versa), but slightly lower bandwidth due to the increased effect of the internal and external capacitance and ...

Page 10

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches Single-supply operation also limits signal levels and interferes with grounded signals. When V- = 0V, AC sig- nals are limited to -0.3V. Voltages below -0.3V can be clipped by the internal ESD-protection diodes, and the ...

Page 11

V+ 10nF 12 V+ LOGIC 1 IN1 IN 2 COM1 3 GND1 GND1 50 IN/OUT MAX4546 NO1 4 6 NC4 7 GND4 8 COM4 10nF (61 V- LOGIC SWITCH 0 OFF 1 ON SWITCHES SHOWN FOR LOGIC ...

Page 12

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches 1 OUT MAX4545 ADDRESS DECODING MAX4545 MORE THAN 4 CHANNELS Figure 3. 4-Channel Multiplexer 12 ______________________________________________________________________________________ 1 OUT 2 50/75 ...

Page 13

Circuits/Timing Diagrams +5V 10nF V+ NO_OR NC_ MAX4545 MAX4546 MAX4547 V IN_ IN_ GND_ V- 50 10nF -5V REPEAT TEST FOR EACH SWITCH. Figure 4. Switching Time 10nF +5V V+ MAX4546 V IN_ IN_ GND_ 50 10nF * REPEAT ...

Page 14

Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches _________________________________Test Circuits/Timing Diagrams (continued) 10nF +5V V+ NO_ OR NC_ MAX4545 MAX4546 MAX4547 V IN_ IN_ COM_ GND_ V- 50 10nF - CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION. Figure 6. Charge Injection ...

Page 15

Test Circuits/Timing ______________Diagrams (continued) 10nF + IN_ NO_ NC_ MAX4545 MAX4546 MAX4547 COM_ GND_ V- 10nF -5V ALL GND_ PINS ARE CONNECTED TO GROUND PLANE (0V). Figure 8. NO_, NC_, COM_ Capacitance MAX4546 COM1 IN1 IN2 ...

Page 16

... Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches ___________________________________________Ordering Information (continued) PART TEMP. RANGE MAX4545CAP 0°C to +70°C MAX4545C/D 0°C to +70°C MAX4545EPP -40°C to +85°C MAX4545EWP -40°C to +85°C MAX4545EAP -40°C to +85°C MAX4546CPE 0°C to +70°C MAX4546CSE 0°C to +70°C MAX4546CEE 0°C to +70°C MAX4546C/D 0° ...

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