廬
ISL84521, ISL84522, ISL84523
Data Sheet
September 2002
FN6031
Low-Voltage, Single and Dual Supply,
Quad SPST, Analog Switches
The Intersil ISL84521鈥揑SL84523 devices are CMOS,
precision, quad analog switches designed to operate from a
single +2V to +12V supply or from a
鹵
2V to
鹵
6V supply.
Targeted applications include battery powered equipment that
benefit from the devices鈥?low power consumption (<1碌W), low
leakage currents (1nA max), and fast switching speeds
(t
ON
= 45ns, t
OFF
= 15ns). A12鈩?maximum R
ON
flatness
ensures signal fidelity, while channel-to-channel mismatch is
guaranteed to be less than 4鈩? The 3mm x 3mm Quad No-
Lead Flatpack (QFN) package alleviates board space
limitations, making this newest line of low-voltage switches an
ideal solution.
The ISL84521/ISL84522/ISL84523 are quad single-pole/
single-throw (SPST) devices. The ISL84521 has four normally
closed (NC) switches; the ISL84522 has four normally open
(NO) switches; the ISL84523 has two NO and two NC
switches and can be used as a dual SPDT, or a dual 2:1
multiplexer.
Table 1 summarizes the performance of this family. For higher
performance, pin compatible versions, see the ISL43140-42
data sheet.
TABLE 1. FEATURES AT A GLANCE
ISL84521
Number of Switches
Configuration
鹵5V
R
ON
鹵5V
t
ON
/ t
OFF
5V R
ON
5V t
ON
/ t
OFF
3V R
ON
3V t
ON
/ t
OFF
Packages
4
All NC
65鈩?/div>
45ns / 15ns
125鈩?/div>
60ns / 20ns
260鈩?/div>
ISL84522
4
All NO
65鈩?/div>
45ns / 15ns
125鈩?/div>
60ns / 20ns
260鈩?/div>
ISL84523
4
2 NC / 2 NO
65鈩?/div>
45ns / 15ns
125鈩?/div>
60ns / 20ns
260鈩?/div>
Features
鈥?Drop-in Replacements for MAX4521 - MAX4523
鈥?Four Separately Controlled SPST Switches
鈥?Pin Compatible with DG411/DG412/DG413
鈥?ON Resistance (R
ON
Max.) . . . . . . . . . . . . . . . . . . . 100鈩?/div>
鈥?R
ON
Matching Between Channels. . . . . . . . . . . . . . . . . . <1鈩?/div>
鈥?Low Power Consumption (P
D
) . . . . . . . . . . . . . . . . . . . .<1碌W
鈥?Low Leakage Current (Max at 85
o
C) . . . . . . . . . . . . 10nA
鈥?Fast Switching Action
- t
ON
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45ns
- t
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15ns
鈥?Minimum 2000V ESD Protection per Method 3015.7
鈥?TTL, CMOS Compatible
Applications
鈥?Battery Powered, Handheld, and Portable Equipment
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
鈥?Communications Systems
- Military Radios
- RF 鈥淭ee鈥?Switches
鈥?Test Equipment
- Ultrasound
- Electrocardiograph
鈥?Heads-Up Displays
鈥?Audio and Video Switching
鈥?General Purpose Circuits
- +3V/+5V DACs and ADCs
- Digital Filters
- Operational Amplifier Gain Switching Networks
- High Frequency Analog Switching
- High Speed Multiplexing
120ns / 40ns 120ns / 40ns 120ns / 40ns
16 Ld SOIC (N), 16 Ld 3x3 QFN,
16 Ld TSSOP
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
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. 2002. All Rights Reserved
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