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PDF ISL5121 Data sheet ( Hoja de datos )
| Número de pieza | ISL5121 | |
| Descripción | Low-Voltage/ Single Supply/ Dual SPST/ SPDT Analog Switches | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Data Sheet
ISL5120, ISL5121, ISL5122, ISL5123
February 2003
FN6022.5
Low-Voltage, Single Supply, Dual SPST,
SPDT Analog Switches
The Intersil ISL5120–ISL5123 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 ISL5120/ISL5121/ISL5122 are dual single-pole/single-
throw (SPST) devices. The ISL5120 has two normally open
(NO) switches; the ISL5121 has two normally closed (NC)
switches; the ISL5122 has one NO and one NC switch and
can be used as an SPDT. The ISL5123 is a committed SPDT,
which is perfect for use in 2-to-1 multiplexer applications.
TABLE 1. FEATURES AT A GLANCE
ISL5120 ISL5121 ISL5122 ISL5123
Number of
Switches
2
22
1
SW 1 / SW 2 NO / NO NC / NC NO / NC SPDT
3.3V RON
32Ω
40ns /20ns
3.3V tON / tOFF
5V RON
19Ω
28ns / 20ns
5V tON / tOFF
12V RON
11Ω
25ns / 17ns
12V tON / tOFF
Packages
8 Ld SOIC,
8 Ld SOT-23,
8 Ld MSOP
32Ω 32Ω
40ns
/20ns
40ns
/20ns
19Ω 19Ω
28ns /
20ns
28ns /
20ns
11Ω 11Ω
25ns /
17ns
25ns /
17ns
8 Ld SOIC,
8 Ld SOT-23
32Ω
40ns /20ns
19Ω
28ns / 20ns
11Ω
25ns / 17ns
8 Ld SOIC,
6 Ld SOT-23
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Features
• Improved (lower RON, faster switching), pin compatible
replacements for ISL84541–44
• Fully specified at 3.3V, 5V, and 12V supplies
• 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 (ISL5122/ISL5123 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
- Military radios
- PBX, PABX
• Test equipment
- Ultrasound
- 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
1 page  
ISL5120
Electrical Specifications - 5V Supply Test Conditions: V+ = +4.5V to +5.5V, GND = 0V, VINH = 2.4V, VINL = 0.8V (Note 5),
Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP (NOTE 6)
(NOTE 6)
(oC)
MIN
TYP MAX UNITS
COM ON Capacitance, CCOM(ON) f = 1MHz, VNO or VNC = VCOM = 0V, See Figure 7,
25
-
21
- pF
ISL5120/1/2
f = 1MHz, VNO or VNC = VCOM = 0V, See Figure 7,
25
-
28
- pF
ISL5123
POWER SUPPLY CHARACTERISTICS
Power Supply Range
Full 2.7
12 V
Positive Supply Current, I+
V+ = 5.5V, VIN = 0V or V+, all channels on or off
DIGITAL INPUT CHARACTERISTICS
Full -1 0.0001 1 µA
Input Voltage Low, VINL
Input Voltage High, VINH
Input Current, IINH, IINL
NOTES:
V+ = 5.5V, VIN = 0V or V+
Full -
- 0.8 V
Full 2.4
-
-V
Full -1 - 1 µA
5. VIN = input voltage to perform proper function.
6. The algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
7. Leakage parameter is 100% tested at high temp, and guaranteed by correlation at 25oC.
Electrical Specifications - 3.3V Supply
Test Conditions: V+ = +3.0V to +3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V (Note 5),
Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON Resistance, RON
V+ = 3V, ICOM = 1.0mA, VNO or VNC = 1.5V
RON Matching Between Channels, V+ = 3.3V, ICOM = 1.0mA, VNO or VNC = 1.5V
∆RON
RON Flatness, RFLAT(ON)
V+ = 3.3V, ICOM = 1.0mA, VNO or VNC = 0.5V, 1V,
1.5V
NO or NC OFF Leakage Current,
INO(OFF) or INC(OFF)
COM OFF Leakage Current,
ICOM(OFF)
COM ON Leakage Current,
ICOM(ON)
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
V+ = 3.6V, VCOM = 1V, 3V, VNO or VNC = 3V, 1V, Note 7
V+ = 3.6V, VCOM = 3V, 1V, VNO or VNC = 1V, 3V, Note 7
V+ = 3.6V, VCOM = 1V, 3V, or VNO or VNC = 1V, 3V,
or floating, Note 7
VNO or VNC = 1.5V, RL =1kΩ, CL = 35pF, VIN = 0 to 3V
Turn-OFF Time, tOFF
VNO or VNC = 1.5V, RL =1kΩ, CL = 35pF, VIN = 0 to 3V
Break-Before-Make Time Delay
(ISL5122, ISL5123), tD
Charge Injection, Q
OFF Isolation
RL = 300Ω, CL = 35pF, VNO or VNC = 1.5V,
VIN = 0 to 3V
CL = 1.0nF, VG = 0V, RG = 0Ω
RL = 50Ω, CL = 5pF, f = 1MHz
Crosstalk (Channel-to-Channel)
Power Supply Rejection Ratio
RL = 50Ω, CL = 5pF, f = 1MHz
NO or NC OFF Capacitance, COFF
COM OFF Capacitance,
CCOM(OFF)
f = 1MHz, VNO or VNC = VCOM = 0V
f = 1MHz, VNO or VNC = VCOM = 0V
TEMP
(oC)
Full
25
Full
25
Full
25
Full
25
Full
25
Full
25
Full
25
Full
25
Full
Full
25
25
25
25
25
25
(NOTE 6)
MIN
0
-
-
-
-
-
-
-0.1
-5
-0.1
-5
-0.2
-10
-
-
-
-
3
-
-
-
-
-
-
TYP
-
32
40
0.8
1
6
7
0.01
-
0.01
-
-
-
40
60
20
30
20
1
76
-105
56
8
8
(NOTE 6)
MAX UNITS
V+ V
50 Ω
60 Ω
2Ω
4Ω
8Ω
12 Ω
0.1 nA
5 nA
0.1 nA
5 nA
0.2 nA
10 nA
120 ns
200 ns
50 ns
120 ns
- ns
5 pC
- dB
- dB
- dB
- pF
- pF
5
5 Page 
ISL5120
Typical Performance Curves TA = 25oC, Unless Otherwise Specified (Continued)
0.5
0.4
0.3
0.2
0.1
0
0.25
0.2
0.15
0.1
0.05
0
0.15
0.1
0.05
25oC
85oC
25oC
85oC
-40oC
-40oC
85oC
-40oC
85oC
25oC
0
0246
VCOM (V)
V+ = 3.3V
V+ = 5V
V+ = 12V
-40oC
8 10
25oC
12
FIGURE 11. RON MATCH vs SWITCH VOLTAGE
60
50
40
30
20
10
V+ = 3.3V
0
-10
-20
0
2
V+ = 5V
V+ = 12V
468
VCOM (V)
10 12
FIGURE 12. CHARGE INJECTION vs SWITCH VOLTAGE
100
90
80
70
60
85oC
50
40 -40oC
30
25oC
20
2 3 4 5 6 7 8 9 10 11
V+ (V)
FIGURE 13. TURN - ON TIME vs SUPPLY VOLTAGE
12
35
30
85oC
25
-40oC
20
-40oC
25oC
15
2 3 4 5 6 7 8 9 10 11
V+ (V)
FIGURE 14. TURN - OFF TIME vs SUPPLY VOLTAGE
12
3.0
2.5
VINH
2.0
-40oC
85oC
25oC
1.5
-40oC
85oC
1.0
85oC
VINL
25oC
0.5
2 3 4 5 6 7 8 9 10 11 12 13
V+ (V)
FIGURE 15. DIGITAL SWITCHING POINT vs SUPPLY VOLTAGE
V+ = 3.3V to 12V
0
GAIN
-3
-6
PHASE
RL = 50Ω
VIN = 0.2VP-P to 2.5VP-P (V+ = 3.3V)
VIN = 0.2VP-P to 4VP-P (V+ = 5V)
VIN = 0.2VP-P to 5VP-P (V+ = 12V)
1 10 100
FREQUENCY (MHz)
FIGURE 16. FREQUENCY RESPONSE
0
20
40
60
80
100
600
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ISL5121.PDF ] | |
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