MAX4588 Maxim, MAX4588 Datasheet

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MAX4588

Manufacturer Part Number
MAX4588
Description
The MAX4588 low-voltage, dual 4-channel multiplexer is designed for RF and video signal processing at frequencies up to 180MHz in 50Ω and 75Ω systems
Manufacturer
Maxim
Datasheet

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The MAX4588 low-voltage, dual 4-channel multiplexer
is designed for RF and video signal processing at fre-
quencies up to 180MHz in 50Ω and 75Ω systems. A
flexible digital interface allows control of on-chip func-
tions through either a parallel interface or an SPI™/
MICROWIRE™ serial port.
Each channel of the MAX4588 is designed using a “T”
switch configuration, ensuring excellent high-frequency
off-isolation. The MAX4588 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 T
than 10nA at T
The MAX4588 operates from single +2.7V to +12V or
dual ±2.7V to ±6V supplies. When operating with a +5V
supply, the inputs maintain TTL- and CMOS-level com-
patibility. The MAX4588 is available in 28-pin narrow
DIP, wide SO, and space-saving SSOP packages.
RF Switching
Video Signal Routing
High-Speed Data Acquisition
19-1425; Rev 0; 1/99
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.
TOP VIEW
A2/SCLK
COM1
LE/CS
GND
GND
GND
GND
NO1
NO2
NO3
NO4
4/8
RS
V+
A
10
11
12
13
14
1
2
3
4
5
6
7
8
9
= +85°C.
________________________________________________________________ Maxim Integrated Products
SSOP/SO/DIP
MAX4588
General Description
CONTROL
LOGIC
Dual 4-Channel RF/Video Multiplexer
Pin Configuration
Automatic Test Equipment
Networking
A
Applications
= +25°C, and less
28
27
26
25
24
23
22
21
20
19
18
17
16
15
COM2
V-
NO5
GND
NO6
GND
NO7
GND
NO8
V
SER/PAR
EN
A0/DOUT
A1/DIN
L
Low-Voltage, High-Isolation,
SPI is a trademark of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
MAX4588CAI
MAX4588CWI
MAX4588CPI
MAX4588EAI
MAX4588EWI
MAX4588EPI
Low Insertion Loss: -2.5dB up to 100MHz
High Off-Isolation: -74dB at 10MHz
Low Crosstalk: -70dB up to 10MHz
16MHz -0.1dB Signal Bandwidth
180MHz -3dB Signal Bandwidth
60Ω (max) On-Resistance with ±5V Supplies
4Ω (max) On-Resistance Matching with ±5V
Supplies
2Ω (max) On-Resistance Flatness with ±5V
Supplies
+2.7V to +12V Single Supply
±2.7V to ±6V Dual Supplies
Low Power Consumption: <20µW
Rail-to-Rail
Parallel or SPI/MICROWIRE-Compatible Serial
Interface
>±2kV ESD Protection per Method 3015.7
TTL/CMOS-Compatible Inputs with V
PART
®
, Bidirectional Signal Handling
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
Ordering Information
28 SSOP
28 Wide SO
28 Narrow Plastic DIP
28 SSOP
28 Wide SO
28 Narrow Plastic DIP
PIN-PACKAGE
L
Features
= +5V
1

Related parts for MAX4588

MAX4588 Summary of contents

Page 1

... SPI™/ MICROWIRE™ serial port. Each channel of the MAX4588 is designed using a “T” switch configuration, ensuring excellent high-frequency off-isolation. The MAX4588 has low on-resistance of 60Ω max, with an on-resistance match across all chan- nels of 4Ω ...

Page 2

... SSOP (derate 9.52mW/°C above +70°C) ....................762mW Wide SO (derate 12.50mW/°C above +70°C)................1.00W Plastic DIP (derate 14.29mW/°C above +70°C) ............1.14W Operating Temperature Ranges MAX4588C_ I ......................................................0°C to +70°C MAX4588E_ I ...................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10sec) .............................+300°C = +2.4V +0.8V, T ...

Page 3

Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) ( +4.5V to +5.5V -4.5V to -5.5V ues are +25° +5V -5V.) (Note ...

Page 4

Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) ( +4.5V to +5.5V -4.5V to -5.5V ues are +25° +5V -5V.) (Note 2) ...

Page 5

Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) ( +4.5V to +5.5V INH = +25° +5V.) (Note 2) L PARAMETER SYMBOL SWITCH DYNAMIC CHARAC- SWITCH DYNAMIC CHARACTERISTICS ...

Page 6

Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) ( +4.5V to +5.5V INH = +25° +5V.) (Note 2) L PARAMETER SYMBOL POWER SUPPLY POWER SUPPLY ...

Page 7

... ON ON(MAX) ON(MIN) Note 5: Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as measured over the specified analog-signal range. Note 6: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at T Note 7: Off isolation = 20log ...

Page 8

Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ( +5V -5V +25°C, unless otherwise noted ON-RESISTANCE vs. V COM (DUAL SUPPLIES) 100 90 ±2.5V 80 ± ±4V 50 ± ...

Page 9

Dual 4-Channel RF/Video Multiplexer ( +5V -5V +25°C, unless otherwise noted ON/OFF TIME vs. SUPPLY VOLTAGE 600 500 t ON 400 300 200 t OFF 100 0 2.5 3.0 3.5 4.0 ...

Page 10

Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer PIN NAME 21, GND Ground. Connect all ground pins to a ground plane. See Grounding section. 23 COM1 Analog Switch Common Terminal. See Truth Table Analog ...

Page 11

... V+ V+ LE/CS MAX4588 EN COM_ V- V- Figure 1. Turn-On/Turn-Off Time V+ V+ LE/CS SER/PAR MAX4588 A0 COM_ V- V- Figure 2. Break-Before-Make Time Delay V+ NO_ V+ LE/CS SER/PAR MAX4588 EN COM_ GND V- V- Figure 3. Charge Injection ______________________________________________________________________________________ Low-Voltage, High-Isolation, NO_ V NO_ V OUT 30pF 300 GND NO_ NO_ V NO_ V OUT 30pF 300 ...

Page 12

... NOTE: ALL INPUT SIGNALS ARE SPECIFIED WITH t Figure 6. Parallel Timing Diagram 12 ______________________________________________________________________________________ MAX4588 1MHz CAPACITANCE ANALYZER 49.9 56 24.9 560 = 0dB AND t <10ns. TIMING IS MEASURED FROM 50% OF DIGITAL SIGNAL NO_ 1MHz CAPACITANCE ANALYZER FLOATING COM_ GND MEASURE NODE 50 MEASURE NODE 50 MAX4588 ...

Page 13

... All of these capacitances are distributed evenly along the series resistance, so they act as a transmis- sion line rather than a simple R-C filter. The MAX4588’s construction allows an exceptional 180MHz bandwidth when the switches are on. ...

Page 14

... Voltages below -0.3V can be clipped by the internal ESD-protection diodes, and the parts can be damaged if excessive current flows. When power to the MAX4588 is off (i.e and V- = 0), the Absolute Maximum Ratings still apply. This means that none of the MAX4588 pins can exceed ± ...

Page 15

... The MAX4588 is intended for use in 75Ω systems, where the inputs are terminated external to the IC and the COM terminals see an impedance of 600Ω or high- er. The MAX4588 can operate in 50Ω and 75Ω systems with terminations through the IC. However, variations in R and R ...

Page 16

... CS, so all four MAX4588s change state simultaneously. The parallel mode is activated by driving SER/PAR to a logic low. The MAX4588 is programmed by a latched parallel bus scheme. Refer to Figure 6 for a detailed diagram of the parallel-interface logic. Note that 4/8 is not latched ...

Page 17

... Don’t Care Note: DISABLE, A2, A1, and A0 are the 4 bits latched into the MAX4588 with a MICROWIRE/SPI write the LSB (first bit in time). DISABLE is the MSB (last bit in time). ______________________________________________________________________________________ Low-Voltage, High-Isolation DOUT ...

Page 18

Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ____________________Chip Information TRANSISTOR COUNT: 1033 18 ______________________________________________________________________________________ Package Information ...

Page 19

Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ______________________________________________________________________________________ Package Information (continued) 19 ...

Page 20

... Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...

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