廬
ISL84524, ISL84525
Data Sheet
June 2003
FN6042.1
Low-Voltage, Single Supply, 4 to 1
Multiplexer and DPDT Analog Switches
The Intersil ISL84524 and ISL84525 devices are precision,
bidirectional, analog switches configured as a 4 channel
multiplexer / demultiplexer (ISL84524) and a double pole /
double throw (DPDT) switch (ISL84525) designed to operate
from a single +2V to +12V supply. Both have an inhibit pin to
simultaneously open all signal paths.
ON resistance is 200鈩?with a +5V supply and 500鈩?with a
+3V supply. Each switch can handle rail to rail analog
signals. The off-leakage current is only 1nA at +25
o
C
or
25nA at +85
o
C.
All digital inputs have 0.8V to 2.4V logic thresholds, ensuring
TTL/CMOS logic compatibility when using a single +5V
supply.
The ISL84524 is a 4 to 1 multiplexer device. The ISL84525 is
a DPDT, which is perfect for use in 2-to-1 multiplexer
applications.
Table 1 summarizes the performance of this family. For
higher performance, see the ISL43640 and ISL43410 data
sheets.
TABLE 1. FEATURES AT A GLANCE
ISL84524
4:1 MUX
190鈩?/div>
170ns / 50ns
92鈩?/div>
90ns / 40ns
ISL84525
DPDT
190鈩?/div>
170ns / 50ns
92鈩?/div>
90ns / 40ns
Features
鈥?Drop-in Replacements for MAX4524 and MAX4525
鈥?ON Resistance (R
ON
) Max, V
S
= 5V . . . . . . . . . . . . 200鈩?/div>
鈥?ON Resistance (R
ON
) Max, V
S
= 3V . . . . . . . . . . . . 500鈩?/div>
鈥?R
ON
Matching Between Channels. . . . . . . . . . . . . . . . . . <8鈩?/div>
鈥?Low Charge Injection . . . . . . . . . . . . . . . . . . . . . . 5pC (Max)
鈥?Single Supply Operation. . . . . . . . . . . . . . . . . . . +2V to +12V
鈥?Low Power Consumption (P
D
) . . . . . . . . . . . . . . . . . . . .<3碌W
鈥?Fast Switching Action (V
S
= 5V)
- t
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90ns
- t
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40ns
鈥?Guaranteed Max Off-leakage @ 5V . . . . . . . . . . . . . . 25nA
鈥?Guaranteed Break-Before-Make
鈥?TTL, CMOS Compatible
鈥?Available in 10 Ld MSOP Package
Applications
鈥?Battery Powered, Handheld, and Portable Equipment
鈥?Communications Systems
- Radios
- Telecom Infrastructure
- ADSL, VDSL Modems
鈥?Test Equipment
- Medical Ultrasound
- Magnetic Resonance Image
- CT and PET Scanners
- ATE
- Electrocardiograph
鈥?Audio and Video Signal Routing
R
ON
& t
ON
/ t
OFF
3V R
ON
3V t
ON
/ t
OFF
5V R
ON
5V t
ON
/ t
OFF
PACKAGE
10 Ld MSOP
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
鈥?Application Note AN557 鈥淩ecommended Test Procedures
for Analog Switches鈥?/div>
鈥?Various Circuits
- +3V/+5V DACs and ADCs
- Sample and Hold Circuits
- Operational Amplifier Gain Switching Networks
- High Frequency Analog Switching
- High Speed Multiplexing
- Integrator Reset Circuits
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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