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PDF ISL84541 Data sheet ( Hoja de datos )
| Número de pieza | ISL84541 | |
| Descripción | Low-Voltage/ Single Supply/ Dual SPST/ SPDT Analog Switches | |
| Fabricantes | Intersil Corporation | |
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ISL84541, ISL84542, ISL84543, ISL84544
®
Data Sheet
April 2003
FN6016.5
Low-Voltage, Single Supply, Dual SPST,
SPDT Analog Switches
The Intersil ISL84541–ISL84544 devices are precision, 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 = 35ns, tOFF = 25ns). 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 ISL84541/ISL84542/ISL84543 are dual single-
pole/single-throw (SPST) devices. The ISL84541 has two
normally open (NO) switches; the ISL84542 has two normally
closed (NC) switches; the ISL84543 has one NO and one NC
switch and can be used as an SPDT. The ISL84544 is a
committed SPDT, which is perfect for use in 2-to-1 multiplexer
applications.
Table 1 summarizes the performance of this family. For higher
performance, pin compatible versions, see the ISL43120 - 22
and ISL43210 datasheet.
TABLE 1. FEATURES AT A GLANCE
ISL84541 ISL84542 ISL84543 ISL84544
NUMBER OF
SWITCHES
2
22
1
SW 1 / SW 2 NO / NO NC / NC NO / NC SPDT
3.3V RON 50Ω 50Ω 50Ω 50Ω
3.3V tON / tOFF 50 / 20ns 50 / 20ns 50 / 20ns 50 / 20ns
5V RON
30Ω 30Ω 30Ω 30Ω
5V tON / tOFF 35 / 25ns 35 / 25ns 35 / 25ns 35 / 25ns
PACKAGES
8 Ld PDIP,
8 Ld SOIC,
8 Ld SOT-23,
8 Ld MSOP
8 Ld PDIP,
8 Ld SOIC,
8 Ld SOT-23
8 Ld PDIP,
8 Ld SOIC,
6 Ld SOT-23
Related Literature
Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Features
• Drop-in Replacements for MAX4541 - MAX4544,
DG9461, DG9262 - DG9263
• Fully Specified at 3.3V and 5V Supplies
• Pin Compatible with MAX323 - MAX325
• ON Resistance (RON) . . . . . . . . . . . . . . . . . . . . . . . . 30Ω
• 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 (Max at 85oC) . . . . . . . . . . . . 10nA
• Fast Switching Action
- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35ns
- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25ns
• Guaranteed Break-Before-Make (ISL84543/ISL84544
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
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL84541, ISL84542, ISL84543, ISL84544
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 MIN
MAX
(oC) (NOTE 6) TYP (NOTE 6) UNITS
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
VNO or VNC = 3V, RL =1kΩ, CL = 35pF, VIN = 0 to 3V,
See Figure 1
25
Full
-
-
35 100 ns
- 240 ns
Turn-OFF Time, tOFF
VNO or VNC = 3V, RL =1kΩ, CL = 35pF, VIN = 0 to 3V,
See Figure 1
25
Full
-
-
25 75 ns
- 150 ns
Break-Before-Make Time Delay
RL = 300Ω, CL = 35pF, VNO = VNC = 3V, VIN = 0 to 3V, Full
2
10
- ns
(ISL84543, ISL84544), tD
See Figure 3
Charge Injection, Q
CL = 1.0nF, VG = 0V, RG = 0Ω, See Figure 2
25 - 1 5 pC
OFF Isolation
RL = 50Ω, CL = 5pF, f = 1MHz, See Figure 4
25 - 76 - dB
Crosstalk (Channel-to-Channel) RL = 50Ω, CL = 5pF, f = 1MHz, See Figure 6
25 - -90 - dB
NO or NC OFF Capacitance, COFF f = 1MHz, VNO or VNC = VCOM = 0V, See Figure 7
25
-
8
- pF
COM OFF Capacitance,
CCOM(OFF)
f = 1MHz, VNO or VNC = VCOM = 0V, See Figure 7
25
-
8
- pF
COM ON Capacitance, CCOM(ON) f = 1MHz, VNO or VNC = VCOM = 0V, See Figure 7,
25
-
13
- pF
ISL84541/2/3
f = 1MHz, VNO or VNC = VCOM = 0V, See Figure 7,
25
-
20
- pF
ISL84544
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
Full -
- 0.8 V
Input Voltage High, VINH
Full 2.4
-
-V
NOTES:
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.
5
5 Page 
ISL84541, ISL84542, ISL84543, ISL84544
Typical Performance Curves TA = 25oC, Unless Otherwise Specified (Continued)
100 35
90
80 30
85oC
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
25
-40oC
20
-40oC
25oC
15
2 3 4 5 6 7 8 9 10 11 12
V+ (V)
FIGURE 14. TURN - OFF TIME vs SUPPLY VOLTAGE
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
-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
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
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
TRANSISTOR COUNT:
ISL84541: 66
ISL84542: 66
ISL84543: 66
ISL84544: 58
PROCESS:
Si Gate CMOS
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ISL84541.PDF ] | |
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