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What is ISL43L420?

This electronic component, produced by the manufacturer "Intersil Corporation", performs the same function as "Quad SPDT (Dual DPDT) Analog Switch".


ISL43L420 Datasheet PDF - Intersil Corporation

Part Number ISL43L420
Description Quad SPDT (Dual DPDT) Analog Switch
Manufacturers Intersil Corporation　
Logo Intersil Corporation Logo　


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®
Data Sheet
February 18, 2005
ISL43L420
FN6098.1
Ultra Low ON-Resistance, +1.1V to +4.5V
Single Supply, Quad SPDT (Dual DPDT)
Analog Switch
The Intersil ISL43L420 device is a low ON-resistance, low
voltage, bidirectional, Quad SPDT (Dual DPDT) analog
switch designed to operate from a single +1.1V to +4.5V
supply. Targeted applications include battery-powered
equipment that benefit from low RON (0.24Ω) and fast
switching speeds (tON = 8ns, tOFF = 5ns). The digital logic
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
ISL43L420 is offered in a small form factor package,
alleviating board space limitations.
The ISL43L420 is a committed Quad SPDT that consists of
four normally open (NO) and four normally (NC) switches.
This configuration can also be used as a diff dual 2-to-1
multiplexer/demultiplexer or a dual 2-to1
multiplexer/demultiplexer. The ISL43L420 is pin compatible
withwww.DataSheet4U.com the STG3699.
TABLE 1. FEATURES AT A GLANCE
ISL43L420
Number of Switches
4
SW Quad SPDT (Dual DPDT)
4.3V RON
4.3V tON/tOFF
3.0V RON
3.0V tON/tOFF
1.8V RON
1.8V tON/tOFF
Packages
0.24Ω
8ns/5ns
0.26Ω
10ns/7ns
0.45Ω
18ns/10ns
16 Ld 3x3 QFN
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
• Application Note AN557 “Recommended Test Procedures
for Analog Switches”
Features
• Drop in Replacement for the STG3699
• ON Resistance (RON)
- V+ = +4.3V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.24Ω
- V+ = +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.26Ω
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45Ω
• RON Matching between Channels . . . . . . . . . . . . . . . . .0.05Ω
• RON Flatness Across Signal Range . . . . . . . . . . . . . . .0.05Ω
• Single Supply Operation. . . . . . . . . . . . . . . . . +1.1V to +4.5V
• Low Power Consumption (PD). . . . . . . . . . . . . . . . . . <0.2µW
• Fast Switching Action (V+ = +4.3V)
- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8ns
- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5ns
• Guaranteed Break-Before-Make
• 1.8V Logic Compatible (+3V supply)
• Available in 16 lead 3x3 QFN
• ESD HBM Rating
- COM Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9kV
- All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4kV
• Pb-Free Available as an Option (see Ordering Info)
Applications
• Battery Powered, Handheld, and Portable Equipment
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
• Portable Test and Measurement
• Medical Equipment
• Audio and Video Switching
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 Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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ISL43L420 equivalent
ISL43L420
Electrical Specifications - 3V Supply
Test Conditions: V+ = +2.7V to +3.3V, GND = 0V, VINH = 1.4V, VINL = 0.5V (Notes 3, 5),
Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP (NOTE 4)
(°C) MIN
TYP
(NOTE 4)
MAX UNITS
Charge Injection, Q
OFF Isolation
CL = 1.0nF, VG = 0V, RG = 0Ω, (See Figure 2)
25 - -82 - pC
RL = 50Ω, CL = 5pF, f = 100kHz, VCOM = 1VRMS, 25 - 68 - dB
(See Figure 4)
Crosstalk (Channel-to-Channel)
RL = 50Ω, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
25
-
-98
- dB
(See Figure 6)
Total Harmonic Distortion
f = 20Hz to 20kHz, VCOM = 2VP-P, RL = 600Ω
NO or NC OFF Capacitance, COFF f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
COM ON Capacitance, CCOM(ON) f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
POWER SUPPLY CHARACTERISTICS
25
25
25
- 0.003 -
%
- 106 - pF
- 212 - pF
Positive Supply Current, I+
V+ = 3.6V, VIN = 0V or V+
25 - 23 - nA
Full - 720 - nA
DIGITAL INPUT CHARACTERISTICS
Input Voltage Low, VINL
Input Voltage High, VINH
Input Current, IINH, IINL
V+ = 3.6V, VIN = 0V or V+, (Note 7)
Full -
Full 1.4
Full -0.5
-
-
-
0.5 V
-V
0.5 µA
Electrical Specifications - 1.8V Supply
Test Conditions: V+ = +1.65V to +2V, GND = 0V, VINH = 1.0V, VINL = 0.4V (Notes 3, 5),
Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
TEMP (NOTE 4)
(°C) MIN
TYP
(NOTE 4)
MAX UNITS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
Full 0
- V+ V
ON Resistance, RON
V+ = 1.65V, ICOM = 100mA, VNO or VNC = 0V to V+,
25
-
0.45 0.8 Ω
(See Figure 5)
Full -
- 0.85 Ω
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
V+ = 1.65V, VNO or VNC = 1.0V, RL = 50Ω, CL = 35pF,
(See Figure 1, Note 7)
25
Full
-
-
18 23 ns
- 25 ns
Turn-OFF Time, tOFF
V+ = 1.65V, VNO or VNC = 1.0V, RL = 50Ω, CL = 35pF,
(See Figure 1, Note 7)
25
Full
-
-
10 15 ns
- 18 ns
Break-Before-Make Time Delay, tD V+ = 2.0V, VNO or VNC = 1.0V, RL = 50Ω, CL = 35pF, Full
2
5
- ns
(See Figure 3, Note 7)
Charge Injection, Q
OFF Isolation
CL = 1.0nF, VG = 0V, RG = 0Ω, (See Figure 2)
25 - -44 - pC
RL = 50Ω, CL = 5pF, f = 100kHz, VCOM = 1VRMS, 25 - 68 - dB
(See Figure 4)
Crosstalk (Channel-to-Channel)
RL = 50Ω, CL = 5pF, f = 100kHz, VCOM = 1VRMS,
25
-
-98
- dB
(See Figure 6)
NO or NC OFF Capacitance, COFF f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
106
- pF
COM ON Capacitance, CCOM(ON) f = 1MHz, VNO or VNC = VCOM = 0V, (See Figure 7)
25
-
212
- pF
DIGITAL INPUT CHARACTERISTICS
Input Voltage Low, VINL
Input Voltage High, VINH
Input Current, IINH, IINL
V+ = 2.0V, VIN = 0V or V+, (Note 7)
Full -
Full 1.0
Full -0.5
-
-
-
0.4 V
-V
0.5 µA
5 FN6098.1


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Part NumberDescriptionMFRS
ISL43L420The function is Quad SPDT (Dual DPDT) Analog Switch. Intersil CorporationIntersil Corporation

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