MAX4589 查看數據表（PDF） - Maxim Integrated
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MAX4589 Datasheet PDF : 20 Pages
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19-1424; Rev 0; 1/99
Low-Voltage, High-Isolation,
Dual 2-Channel RF/Video Multiplexer
General Description
The MAX4589 low-voltage, dual 2-channel multiplexer is
designed for RF and video signal processing at frequen-
cies up to 200MHz in 50Ω and 75Ω systems. On-chip
functions are controlled through either a parallel interface
or an SPI™/QSPI™/MICROWIRE™ serial interface.
Each channel of the MAX4589 is designed using a “T”
switch configuration, ensuring excellent high-frequency
off-isolation. The MAX4589 has low on-resistance of
60Ω max, with an on-resistance match across all chan-
nels of 4Ω max. Additionally, on-resistance is flat
across the specified signal range (2Ω max). The off-
leakage current is under 1nA at TA = +25°C, and less
than 10nA at TA = +85°C.
The MAX4589 operates from single +2.7V to +12V or
dual ±2.7V to ±6V supplies. When operating with a
positive supply of +5V, the inputs maintain TTL/CMOS-
level compatibility. The MAX4589 is available in 20-pin
DIP, wide SO, and SSOP packages.
Applications
RF Switching
Video Signal Routing
High-Speed Data Acquisition
Automatic Test Equipment
Networking
Pin Configuration
TOP VIEW
GND 1
COM1 2
V+ 3
NO1 4
GND 5
NO2 6
2/4 7
RS 8
LE/CS 9
A1/SCLK 10
MAX4589
CONTROL LOGIC
SSOP/SO/DIP
20 SER/PAR
19 COM2
18 V-
17 NO3
16 GND
15 NO4
14 VL
13 DIN
12 EN
11 A0/DOUT
Features
o Low Insertion Loss: < -2.5dB up to 100MHz
o High Off-Isolation: -74dB at 10MHz
o Low Crosstalk: < -70dB up to 10MHz
o 20MHz -0.1dB Signal Bandwidth
o 200MHz -3dB Signal Bandwidth
o 60Ω (max) On-Resistance with ±5V Supplies
o 4Ω (max) On-Resistance Matching with ±5V
Supplies
o 2Ω (max) On-Resistance Flatness with ±5V
Supplies
o +2.7V to +12V Single-Supply Operation
±2.7V to ±6V Dual-Supply Operation
o Low Power Consumption: <20µW
o Rail-to-Rail®‚ Bidirectional Signal Handling
o Parallel or SPI/QSPI/MICROWIRE-Compatible
Serial Interface
o >±2kV ESD Protection per Method 3015.7
o TTL/CMOS-Compatible Inputs with VL = +5V
PART
MAX4589CAP
MAX4589CWP
MAX4589CPP
MAX4589EAP
MAX4589EWP
MAX4589EPP
Ordering Information
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 SSOP
20 Wide SO
20 Plastic DIP
20 SSOP
20 Wide SO
20 Plastic DIP
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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