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PDF ISL43121 Data sheet ( Hoja de datos )
| Número de pieza | ISL43121 | |
| Descripción | Low-Voltage/ Single Supply/ Dual SPST/ SPDT Analog Switches | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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ISL43120, ISL43121, ISL43122, ISL43210
®
Data Sheet
June 2003
FN6033.1
Low-Voltage, Single Supply, Dual SPST,
SPDT Analog Switches
The Intersil ISL43120, ISL43121, ISL43122 and ISL43210
devices are precision, bidirectional, dual analog switches
designed to operate from a single +2.7V to +12V supply.
Targeted applications include battery powered equipment that
benefit from the devices’ low power consumption (5µW), low
leakage currents (100pA max), and fast switching speeds
(tON = 28ns, tOFF = 20ns). 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 family of
parts may be used to “mux-in” additional functionality while
reducing ASIC design risk. Some of the smallest packages
are available, alleviating board space limitations, and making
Intersil’s newest line of low-voltage switches an ideal solution.
The ISL43120, ISL43121, ISL43122 are dual single-
pole/single-throw (SPST) devices. The ISL43120 has two
normally open (NO) switches; the ISL43121 has two normally
closed (NC) switches; the ISL43122 has one NO and one NC
switch and can be used as an SPDT. The ISL43210 is a
committed SPDT, which is perfect for use in 2-to-1 multiplexer
applications.
TABLE 1. FEATURES AT A GLANCE
ISL43120 ISL43121 ISL43122 ISL43210
Number of
2
2
2
Switches
1
SW 1 / SW 2
NO/NO
NC/NC
NO/NC SPDT or
2 x 1 MUX
3.3V RON 32Ω 32Ω 32Ω
32Ω
3.3V tON/tOFF 40ns/20ns 40ns/20ns 40ns/20ns 40ns /20ns
5V RON
19Ω 19Ω 19Ω
19Ω
5V tON/tOFF 28ns/20ns 28ns/20ns 28ns/20ns 28ns/20ns
12V RON
11Ω 11Ω 11Ω
11Ω
12V tON/tOFF 25ns/17ns 25ns/17ns 25ns/17ns 25ns/17ns
Packages
8 Ld SOT-23
6 Ld SOT-23
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
• Fully specified at 12V, 5V, and 3.3V supplies for 10%
tolerances
• ON resistance (RON) . . . . . . . . . . . . . . . . . . . . . . . . . 19Ω
• RON matching between channels . . . . . . . . . . . . . . . . . . <1Ω
• Low charge injection . . . . . . . . . . . . . . . . . . . . . . . 5pC (Max)
• Single supply operation . . . . . . . . . . . . . . . . . +2.7V to +12V
• Low power consumption (PD) . . . . . . . . . . . . . . . . . . . .<5µW
• Low leakage current. . . . . . . . . . . . . . . . . . . . . . . . . 10nA
• Fast switching action
- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28ns
- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20ns
• Guaranteed break-before-make (ISL43122/ISL43210
only)
• Minimum 2000V ESD protection per method 3015.7
• TTL, CMOS compatible
• Available in SOT-23 packaging
Applications
• Battery powered, handheld, and portable equipment
- Cellular/mobile phones
- Pagers
- Laptops, notebooks, palmtops
• Communications systems
- Radios, ADSL Modems
- PBX, PABX
• Test & measurement equipment
- Ultrasound
- Computerized Tomography (CT) Scanner
- Magnetic Resonance Image (MRI)
- Position Emission Tomography (PET) Scanner
- Electrocardiograph
• Heads-up displays
• Audio and video switching
• Various circuits
- +3V/+5V DACs and ADCs
- Sample and hold circuits
- Digital filters
- 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 © Intersil Americas Inc. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL43120, ISL43121, ISL43122, ISL43210
Electrical Specifications - 3.3V Supply
Test Conditions: V+ = +3.0V to +3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V (Note 4),
Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP (NOTE 5)
(NOTE 5)
(oC)
MIN
TYP MAX UNITS
COM OFF Capacitance,
CCOM(OFF)
COM ON Capacitance, CCOM(ON)
f = 1MHz, VNO or VNC = VCOM = 0V
f = 1MHz, VNO or VNC = VCOM = 0V, ISL43120,
ISL43121, ISL43122
25 - 8 - pF
25 - 21 - pF
f = 1MHz, VNO or VNC = VCOM = 0V, ISL43210
POWER SUPPLY CHARACTERISTICS
Positive Supply Current, I+
V+ = 3.6V, VIN = 0V or V+, all channels on or off
DIGITAL INPUT CHARACTERISTICS
25 - 28 - pF
Full -1 - 1 µA
Input Voltage Low, VINL
Input Voltage High, VINH
Input Current, IINH, IINL
V+ = 3.6V, VIN = 0V or V+
Full -
- 0.8 V
Full 2.4
-
-V
Full -1 - 1 µA
Electrical Specifications - 12V Supply
Test Conditions: V+ = +10.8V to +13V, GND = 0V, VINH = 4V, VINL = 0.8V (Note 4),
Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
TEMP (NOTE 5)
(oC)
MIN
(NOTE 5)
TYP MAX UNITS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON Resistance, RON
V+ = 10.8V, ICOM = 1.0mA, VNO or VNC = 10V
Full 0
25 -
Full -
- V+ V
11 20 Ω
15 25 Ω
RON Matching Between Channels, V+ = 12V, ICOM = 1.0mA, VNO or VNC = 10V
∆RON
25 - 0.8 2 Ω
Full - 1 4 Ω
RON Flatness, RFLAT(ON)
V+ = 12V, ICOM = 1.0mA, VNO or VNC = 3V, 6V, 9V
25
-
1
4Ω
Full - - 6 Ω
NO or NC OFF Leakage Current,
INO(OFF) or INC(OFF)
V+ = 13V, VCOM = 1V, 12V, VNO or VNC = 12V, 1V
(Note 6)
25 -0.1 0.01
Full -5
-
0.1 nA
5 nA
COM OFF Leakage Current,
ICOM(OFF)
V+ = 13V, VCOM = 12V, 1V, VNO or VNC = 1V, 12V
(Note 6)
25 -0.1 0.01
Full -5
-
0.1 nA
5 nA
COM ON Leakage Current,
ICOM(ON)
V+ = 13V, VCOM = 1V, 12V, or VNO or VNC = 1V, 12V, 25
-0.2
-
0.2 nA
or floating (Note 6)
Full -10
-
10 nA
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
VNO or VNC = 10V, RL =1kΩ, CL = 35pF, VIN = 0 to 4V
25
Full
-
-
25 35 ns
35 55 ns
Turn-OFF Time, tOFF
VNO or VNC = 10V, RL =1kΩ, CL = 35pF, VIN = 0 to 4V
25
Full
-
-
17 30 ns
26 50 ns
Break-Before-Make Time Delay
(ISL43122, ISL43210), tD
Charge Injection, Q
OFF Isolation
Crosstalk (Channel-to-Channel)
RL = 300Ω, CL = 35pF, VNO or VNC = 10V,
VIN = 0 to 4V
CL = 1.0nF, VG = 0V, RG = 0Ω
RL = 50Ω, CL = 5pF, f = 1MHz
Full 0
2
ns
25 -
5 15 pC
25 - 76 - dB
25 - -105 - dB
Power Supply Rejection Ratio
NO or NC OFF Capacitance, COFF
COM OFF Capacitance,
CCOM(OFF)
COM ON Capacitance, CCOM(ON)
RL = 50Ω, CL = 5pF, f = 1MHz
f = 1MHz, VNO or VNC = VCOM = 0V
f = 1MHz, VNO or VNC = VCOM = 0V
f = 1MHz, VNO or VNC = VCOM = 0V, ISL43120,
ISL43121, ISL43122
25 - 63 - dB
25 - 8 - pF
25 - 8 - pF
25 - 21 - pF
f = 1MHz, VNO or VNC = VCOM = 0V, ISL43210
25 - 28 - pF
5
5 Page 
ISL43120, ISL43121, ISL43122, ISL43210
Typical Performance Curves TA = 25oC, Unless Otherwise Specified (Continued)
-10
V+ = 3V to 13V
-20
10
20
-30 30
-40 40
-50 50
-60
ISOLATION
-70
60
70
-80 80
-90
-100
CROSSTALK
90
100
-110
1K
10K 100K 1M
10M
110
100M 500M
FREQUENCY (Hz)
FIGURE 17. CROSSTALK AND OFF ISOLATION
RL = 50Ω
0
10
V+ = 3.3V, SWITCH OFF
20
V+ = 12V, SWITCH OFF
30
40
V+ = 12V, SWITCH ON
50
60
70 V+ = 3.3V, SWITCH ON
80
0.3 1
10 100
FREQUENCY (MHz)
FIGURE 18. ±PSRR vs FREQUENCY
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
TRANSISTOR COUNT:
ISL43120: 66
ISL43121: 66
ISL43122: 66
ISL43210: 58
PROCESS:
Si Gate CMOS
1000
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ISL43121.PDF ] | |
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