ISL43L840 Intersil Corporation, ISL43L840 Datasheet

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ISL43L840

Manufacturer Part Number
ISL43L840
Description
Dual 4 to 1 Analog Multiplexer
Manufacturer
Intersil Corporation
Datasheet
Ultra Low ON-Resistance, Low-Voltage,
Single Supply, Dual 4 to 1 Analog
Multiplexer
The Intersil ISL43L840 device is a precision, bidirectional,
analog switches configured as a dual 4-channel
multiplexer/demultiplexer, designed to operate from a single
+1.6V to +3.6V supply.
ON resistance is 0.5Ω with a +3V supply and 0.62Ω with a
single +1.8V supply. Each switch can handle rail to rail
analog signals. The off-leakage current is only 4nA max at
+25°C and 30nA max at +85°C with a +3.3V supply.
All digital inputs are 1.8V logic-compatible when using a
single +3V supply.
The ISL43L840 is a dual 4 to 1 multiplexer device that is
offered in a 16 Ld TSSOP and 16 Ld 3x3 QFN packages.
Table 1 summarizes the performance of this family.
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
• Application Note AN557 “Recommended Test Procedures
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
for Analog Switches”
Configuration
1.8V t
Packages
3V t
1.8V R
3V R
TABLE 1. FEATURES AT A GLANCE
RANS
RANS
ON
ON
®
1
16 Ld TSSOP, 16 Ld 3x3 QFN
Data Sheet
Dual 4:1 Mux
ISL43L840
0.62Ω
0.5Ω
19ns
24ns
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• ON Resistance (R
• R
• R
• Single Supply Operation. . . . . . . . . . . . . . . . . +1.6V to +3.6V
• Low Power Consumption (PD). . . . . . . . . . . . . . . . . . <0.2µW
• Fast Switching Action (V
• Guaranteed Break-Before-Make
• High Current Handling Capacity (300mA Continuous)
• Available in 16 Ld 3x3 QFN and 16 Ld TSSOP
• 1.8V CMOS-Logic Compatible (+3V Supply)
• Pb-Free Available as an Option (RoHS Compliant)
Applications
• Battery Powered, Handheld, and Portable Equipment
• Portable Test and Measurement
• Medical Equipment
• Audio and Video Switching
- V+ = +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5Ω
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.62Ω
- t
(see Ordering Info)
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
ON
ON
October 12, 2004
RANS
Matching Between Channels. . . . . . . . . . . . . . . . .0.12Ω
Flatness Across Signal Range . . . . . . . . . . . . . .0.056Ω
All other trademarks mentioned are the property of their respective owners.
|
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19ns
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004. All Rights Reserved
ON
)
S
= +3V)
ISL43L840
FN6096.1

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ISL43L840 Summary of contents

Page 1

... All digital inputs are 1.8V logic-compatible when using a single +3V supply. The ISL43L840 is a dual multiplexer device that is offered TSSOP and 16 Ld 3x3 QFN packages. Table 1 summarizes the performance of this family. ...

Page 2

... RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020C. ISL43L840 (3X3 QFN ...

Page 3

... Maximum Junction Temperature (Plastic Package 150°C Maximum Storage Temperature Range . . . . . . . . . . . . . -65°C to 150°C Maximum Lead Temperature (Soldering 10s 300°C (Lead Tips Only) Operating Conditions Temperature Range ISL43L840IX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C Test Conditions +2.7V to +3.3V, GND = 0V, V SUPPLY Unless Otherwise Specified TEST CONDITIONS ...

Page 4

... DYNAMIC CHARACTERISTICS Address Transition Time 1.8V, V TRANS (See Figure 1, Note 10) Break-Before-Make Time 1.8V, V BBM (See Figure 3, Note 10) Charge Injection ISL43L840 Test Conditions +2.7V to +3.3V, GND = 0V, V SUPPLY Unless Otherwise Specified (Continued) TEST CONDITIONS = 35pF 100kHz 32Ω V+, Switch On or Off ...

Page 5

... OUT Q = ∆ OUT L FIGURE 2A. Q MEASUREMENT POINTS V+ LOGIC INPUT 0V SWITCH OUTPUT V OUT 0V t BBM FIGURE 3A. t MEASUREMENT POINTS BBM 5 ISL43L840 t < 5ns r t < 5ns f V+ OUT 90% LOGIC INPUT 0V Repeat test for other switches. C capacitance. FIGURE 1. SWITCHING TIMES V+ OFF ∆V OUT Repeat test for other switches ...

Page 6

... GND R L FIGURE 6. CROSSTALK TEST CIRCUIT Detailed Description The ISL43L840 analog switches offer precise switching capability from a single 1.6V to 3.6V supply with low on- resistance (0.5Ω) and high speed operation (t The device is especially well-suited to portable battery powered equipment thanks to the low operating supply voltage (1.6V), low power consumption (0.2µW), and low leakage currents (60nA max) ...

Page 7

... OPTIONAL PROTECTION DIODE FIGURE 8. OVERVOLTAGE PROTECTION Power-Supply Considerations The ISL43L840 construction is typical of most CMOS analog switches, in that they have two supply pins: V+ and GND. V+ and GND drive the internal CMOS switches and set their analog voltage limits. Unlike switches with a 4V maximum supply voltage, the ISL43L840 4 ...

Page 8

... V (V) COM FIGURE 11. ON RESISTANCE vs SWITCH VOLTAGE 1.6 1.4 1.2 V INH 1 V INL 0.8 0.6 1 1 (V) FIGURE 13. DIGITAL SWITCHING POINT vs SUPPLY VOLTAGE 8 ISL43L840 T = 25°C, Unless Otherwise Specified A 0. 100mA COM 0.6 0.55 0.5 0.45 0.4 0. FIGURE 10. ON RESISTANCE vs SWITCH VOLTAGE 100 100mA COM 50 85°C 0 25°C -50 -40° ...

Page 9

... P-P P-P 0 FREQUENCY (MHz) FIGURE 15. FREQUENCY RESPONSE Die Characteristics SUBSTRATE POTENTIAL (POWERED UP): GND (QFN Paddle Connection: To Ground or Float) TRANSISTOR COUNT: 228 PROCESS: Submicron CMOS 9 ISL43L840 T = 25°C, Unless Otherwise Specified (Continued -10 -20 -30 0 -40 20 -50 40 -60 60 -70 80 -80 100 ...

Page 10

... Minimum space between protrusion and adjacent lead is 0.07mm (0.0027 inch). 10. Controlling dimension: MILLIMETER. Converted inch dimen- sions are not necessarily exact. (Angles in degrees) 10 ISL43L840 M16.173 16 LEAD THIN SHRINK SMALL OUTLINE PLASTIC PACKAGE ...

Page 11

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 11 ISL43L840 L16.3x3 16 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE C ...

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