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PDF ISL84467 Data sheet ( Hoja de datos )
| Número de pieza | ISL84467 | |
| Descripción | Quad SPDT (Dual DPDT) Analog Switch | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Data Sheet
Ultra Low ON-Resistance, +1.65V to +4.5V,
Single Supply, Quad SPDT (Dual DPDT)
Analog Switch
The Intersil ISL84467 device is a low ON-resistance, low
voltage, bidirectional, Quad SPDT (Dual DPDT) analog
switch designed to operate from a single +1.65V to +4.5V
supply. Targeted applications include battery powered
equipment that benefit from low rON (0.39Ω) and fast
switching speeds (tON = 33ns, tOFF = 16ns). The digital logic
input is 1.8V logic-compatible when using a single +3V supply.
With a supply voltage of 4.2V and logic high voltage of 2.85V
at both logic inputs, the part draws only 12µA max of ICC
current.
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
ISL84467 is offered in small form factor package, alleviating
board space limitations.
The ISL84467 consists of four SPDT switches. It is configured
as a dual double-pole/double-throw (DPDT) device with two
logic control inputs that control two SPDT switches each. The
configuration can be used as a dual differential 2-to-1
multiplexer/demultiplexer.
TABLE 1. FEATURES AT A GLANCE
ISL84467
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
Package
0.39W
33ns/16ns
0.45W
34ns/18ns
0.65W
50ns/25ns
16 Ld 3x3 TQFN, 16 Ld TSSOP
July 23, 2008
ISL84467
FN6521.1
Features
• ON-Resistance (rON)
- V+ = +4.3V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.39Ω
- V+ = +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45Ω
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.65Ω
• rON Matching Between Channels . . . . . . . . . . . . . . . . . 0.05Ω
• rON Flatness Across Signal Range . . . . . . . . . . . . . . . 0.05Ω
• Single Supply Operation . . . . . . . . . . . . . . . +1.65V to +4.5V
• Low Power Consumption (PD) . . . . . . . . . . . . . . . . <0.68µW
• Fast Switching Action (V+ = +4.3V)
- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33ns
- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16ns
• Break-Before-Make
• 1.8V Logic Compatible (+3V supply)
• Low ICC Current when VinH is not at the V+ Rail
• Available in 16 Ld 3x3 TQFN and 16 Ld TSSOP Packages
• ESD HBM Rating
- COM Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9kV
- All Othe r Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6kV
• Pb-Free (RoHS compliant)
Applications
• Battery-Powered, Handheld, and Portable Equipment
- Cellular/Mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
• Portable Test and Measurement
• Medical Equipment
• Audio and Video Switching
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”
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2007, 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners..
1 page  
ISL84467
Electrical Specifications - 3.0V Supply
Test Conditions: V+ = +2.7V to +3.3V, GND = 0V, VINH = 1.4V, VINL = 0.5V (Note 5),
Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Notes 6, 9) TYP (Notes 6, 9) UNITS
Crosstalk (Channel-to-Channel) RL = 50Ω, CL = 5pF, f = 100kHz, VCOM = 1VRMS
(See Figure 6)
25
-85 dB
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
0.012
38
102
%
pF
pF
Positive Supply Current, I+
V+ = 3.6V, VIN = 0V or V+
25
0.021
µA
Full 0.72 µA
DIGITAL INPUT CHARACTERISTICS
Input Voltage Low, VINL
Input Voltage High, VINH
Input Current, IINH, IINL
V+ = 3.6V, VIN = 0V or V+
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 (Note 5),
Unless Otherwise Specified.
PARAMETER
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Notes 6, 9) TYP (Notes 6, 9) UNITS
ANALOG SWITCH CHARACTERISTICS
Analog Signal Range, VANALOG
ON-Resistance, rON
V+ = 1.8V, ICOM = 100mA, VNO or VNC = 0V to V+
(See Figure 5, Note 10)
Full
25
Full
0
V+ V
0.7 0.9 Ω
0.95 Ω
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
V+ = 1.65V, VNO or VNC = 1.0V, RL = 50Ω, CL = 35pF 25
50
ns
(See Figure 1)
Full 55 ns
Turn-OFF Time, tOFF
V+ = 1.65V, VNO or VNC = 1.0V, RL = 50Ω, CL = 35pF 25
25
ns
(See Figure 1)
Full 30 ns
Break-Before-Make Time Delay, tD V+ = 2.0V, VNO or VNC = 1.0V, RL = 50Ω, CL = 35pF Full 8 ns
(See Figure 3)
Charge Injection, Q
CL = 1.0nF, VG = 0V, RG = 0Ω (See Figure 2)
DIGITAL INPUT CHARACTERISTICS
25
48 pC
Input Voltage Low, VINL
Full 0.4 V
Input Voltage High, VINH
Full 1.0
V
Input Current, IINH, IINL
V+ = 2.0V, VIN = 0V or V+
Full -0.5
0.5 µA
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. Flatness is defined as the difference between maximum and minimum value of ON-resistance over the specified analog signal range.
8. rON matching between channels is calculated by subtracting the channel with the highest max rON value from the channel with lowest max rON
value, between NC1 and NC2, NC3 and NC4 or between NO1 and NO2, NO3 and NO4.
9. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
10. Limits established by characterization and are not production tested.
5 FN6521.1
July 23, 2008
5 Page 
ISL84467
Typical Performance Curves TA = +25°C, unless otherwise specified. (Continued)
250 40
200
150
100
+25°C
50 +85°C
-40°C
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
V+ (V)
FIGURE 20. TURN-ON TIME vs SUPPLY VOLTAGE
4.5
35
30
25
+85°C
20
+25°C
15 -40°C
10
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
V+ (V)
FIGURE 21. TURN-OFF TIME vs SUPPLY VOLTAGE
V+ = 3V
0
GAIN
-20
PHASE
RL = 50Ω
VIN = 0.2VP-P to 2VP-P
1M 10M
FREQUENCY (Hz)
100M
FIGURE 22. FREQUENCY RESPONSE
0
20
40
60
80
100
600M
-10
V+ = 4.3V
-20
10
20
-30 30
-40 40
-50
ISOLATION
-60
50
60
-70 70
-80 80
CROSSTALK
-90 90
-100
100
-110
1k
10k 100k 1M
110
10M 100M 500M
FREQUENCY (Hz)
FIGURE 23. CROSSTALK AND OFF ISOLATION
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND (QFN Paddle Connection: To Ground or Float)
TRANSISTOR COUNT:
228
PROCESS:
Si Gate CMOS
11 FN6521.1
July 23, 2008
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ISL84467.PDF ] | |
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