ISL84684 Intersil Corporation, ISL84684 Datasheet

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ISL84684

Manufacturer Part Number
ISL84684
Description
Dual SPDT Analog Switch
Manufacturer
Intersil Corporation
Datasheet

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Ultra Low ON-Resistance, Low Voltage,
Single Supply, Dual SPDT Analog Switch
The Intersil ISL84684 device is a low ON-resistance, low
voltage, bidirectional, dual single-pole/double-throw (SPDT)
analog switch designed to operate from a single +1.65V to
+3.6V supply. Targeted applications include battery powered
equipment that benefit from low R
switching speeds (t
input is 1.8V logic-compatible when using a single +3V supply.
Cell phones, for example, often face ASIC functionality
limitations. The number of analog input or GPIO pins may be
limited and digital geometries are not well suited to analog
switch performance. This part may be used to “mux-in”
additional functionality while reducing ASIC design risk. The
ISL84684 is offered in small form factor packages, alleviating
board space limitations.
The ISL84684 is a committed dual single-pole/double-throw
(SPDT) that consist of two normally open (NO) and two
normally (NC) switches. This configuration can be used as a
dual 2-to-1 multiplexer. The ISL84684 is pin compatible with
the MAX4684 and MAX4685.
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”
Number of Switches
1.8V t
3V t
Packages
1.8V R
3V R
ON
SW
TABLE 1. FEATURES AT A GLANCE
ON
/t
ON
ON
/t
OFF
OFF
ON
= 14ns, t
®
10 Ld 3x3 Thin DFN, 10 Ld MSOP
1
OFF
ON
= 6ns). The digital logic
Data Sheet
SPDT or 2-1 MUX
(0.25Ω) and fast
ISL84684
12ns/5ns
20ns/8ns
0.25Ω
0.4Ω
2
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• Pb-Free Available as an Option (see Ordering Info)
• Drop in Replacement for the MAX4684 and MAX4685
• ON Resistance (R
• R
• R
• Single Supply Operation . . . . . . . . . . . . . . . +1.65V to +3.6V
• Fast Switching Action (V+ = +2.7V)
• ESD HBM Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>9kV
• Guaranteed Break-before-Make
• 1.8V Logic Compatible (+3V supply)
• Available in 10 lead 3x3 Thin DFN and 10 lead MSOP
Applications
• Battery powered, Handheld, and Portable Equipment
• Portable Test and Measurement
• Medical Equipment
• Audio and Video Switching
- V+ = +2.7V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.29Ω
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4Ω
- t
- t
- Cellular/mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
ON
ON
ON
OFF
Matching Between Channels . . . . . . . . . . . . . . . 0.03Ω
Flatness Across Signal Range . . . . . . . . . . . . . . 0.03Ω
All other trademarks mentioned are the property of their respective owners.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14ns
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6ns
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
June 2004
Copyright Intersil Americas Inc. 2004. All Rights Reserved
ON
)
ISL84684
FN6088

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ISL84684 Summary of contents

Page 1

... Data Sheet Ultra Low ON-Resistance, Low Voltage, Single Supply, Dual SPDT Analog Switch The Intersil ISL84684 device is a low ON-resistance, low voltage, bidirectional, dual single-pole/double-throw (SPDT) analog switch designed to operate from a single +1.65V to +3.6V supply. Targeted applications include battery powered equipment that benefit from low R (0.25Ω ...

Page 2

... Pinout (Note 1) ISL84684 (TDFN, MSOP) TOP VIEW NO1 2 COM1 3 IN1 4 NC1 5 NOTE: 1. Switches Shown for Logic “0” Input. Truth Table LOGIC PIN NC1 and NC2 OFF NOTE: Logic “0” ≤0.5V. Logic “1” ≥1.4V with a 3V supply. ...

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 ISL84684IX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C Test Conditions +2.7V to +3.3V, GND = 0V, V Unless Otherwise Specified TEST CONDITIONS = 100mA ...

Page 4

... Input Voltage Low, V INL Input Voltage High, V INH Input Current 2.0V, V INH INL 4 ISL84684 Test Conditions +2.7V to +3.3V, GND = 0V, V Unless Otherwise Specified (Continued) TEST CONDITIONS = Test Conditions +1.65V to +2V, GND = 0V, V Unless Otherwise Specified TEST CONDITIONS ...

Page 5

... LOGIC OFF INPUT Q = ∆ OUT L FIGURE 2A. MEASUREMENT POINTS V INH LOGIC INPUT V INL SWITCH OUTPUT V OUT 0V FIGURE 3A. MEASUREMENT POINTS 5 ISL84684 t < 20ns r t < 20ns f OUT 90% LOGIC INPUT Repeat test for all switches. C capacitance. FIGURE 1. SWITCHING TIMES INH ON V INL Repeat test for all switches. ...

Page 6

... Repeat test for all switches. FIGURE 6. CROSSTALK TEST CIRCUIT Detailed Description The ISL84684 is a bidirectional, dual single pole/double throw (SPDT) analog switch that offers precise switching capability from a single 1.65V to 3.6V supply with low on- resistance (0.29Ω) and high speed operation ( 6ns) ...

Page 7

... OPTIONAL PROTECTION DIODE FIGURE 8. OVERVOLTAGE PROTECTION Power-Supply Considerations The ISL84684 construction is typical of most single supply 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 ISL84684 4 ...

Page 8

... V (V) COM FIGURE 11. ON RESISTANCE vs SWITCH VOLTAGE 25°C 85°C 20 -40° 1 (V) FIGURE 13. TURN - ON TIME vs SUPPLY VOLTAGE 8 ISL84684 T = 25°C, Unless Otherwise Specified A 0. 100mA COM 0.3 0.28 0.26 0.24 0.22 0.2 0. 100 100mA COM 25°C -40°C -25 -50 1 ...

Page 9

... FIGURE 15. DIGITAL SWITCHING POINT vs SUPPLY VOLTAGE - -20 -30 -40 -50 -60 ISOLATION -70 -80 CROSSTALK -90 -100 -110 1k 10k 100k 1M FREQUENCY (Hz) FIGURE 17. CROSSTALK AND OFF ISOLATION 9 ISL84684 T = 25°C, Unless Otherwise Specified (Continued GAIN -3 -6 PHASE R V 3.5 4 4.5 1 Die Characteristics 10 20 SUBSTRATE POTENTIAL (POWERED UP): GND 30 ...

Page 10

... INDEX AREA (DATUM N (Nd-1)Xe REF. BOTTOM VIEW C L (A1 SECTION "C-C" FOR ODD TERMINAL/SIDE 10 ISL84684 L10.3x3A 10 LEAD THIN DUAL FLAT NO-LEAD PLASTIC PACKAGE 0. SYMBOL NOTES: 1. Dimensioning and tolerancing conform to ASME Y14.5-1994. ...

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 ISL84684 M10.118 (JEDEC MO-187BA) 10 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE SYMBOL ...

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