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1
FN6579.2
ISL54059
Negative Signal Swing, Sub-ohm, Dual
SPDT Single Supply Switch
The Intersil ISL54059 device is a low ON-resistance, low
voltage, bi-directional, dual single-pole/double-throw (SPDT)
analog switch. It is designed to operate from a single +1.8V to
+6.5V supply and pass signals that swing down to 6.5V below
the positive supply rail. Targeted applications include battery
powered equipment that benefit from low rON (0.56Ω), low
power consumption (8nA) and fast switching speeds
(tON = 55ns, tOFF = 18ns). The digital inputs are 1.8V
logic-compatible up to a +3V supply. The ISL54059 is offered
in a small form factor package, alleviating board space
limitations. It is available in a tiny 10 Ld 1.8x1.4mm TQFN or
10 Ld 3x3mm TDFN package.
The ISL54059 is a committed dual single-pole/double-throw
(SPDT) that consists of two normally open (NO) and two
normally closed (NC) switches with independent logic control.
This configuration can be used as a dual 2-to-1 multiplexer.
Features
Pb-Free (RoHS Compliant)
Negative Signal Swing (Max 6.5V Below V+)
ON-Resistance (rON)
- V+ = +4.5V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.52
Ω
- V+ = +4.3V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.65
Ω
- V+ = +2.7V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.9
Ω
- V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8
Ω
rON Matching Between Channels . . . . . . . . . . . . . . . . . 10mΩ
rON Flatness Across Signal Range . . . . . . . . . . . . . . . . 0.33Ω
Low THD+N @ 32
Ω Load . . . . . . . . . . . . . . . . . . . . . . .0.02%
Single Supply Operation . . . . . . . . . . . . . . . . .+1.8V to +6.5V
Low Power Consumption @ 3V (PD) . . . . . . . . . . . 24nW
Fast Switching Action (V+ = +4.3V)
-tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43ns
-tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23ns
ESD HBM Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>6kV
Guaranteed Break-before-Make
1.8V Logic Compatible (+3V supply)
Low I+ Current when VINH is not at the V+ Rail
Available in 10 Ld TQFN 1.8x1.4mm and 10 Ld 3x3mm
TDFN
Applications
Audio and Video Switching
Battery-powered, Handheld, and Portable Equipment
- MP3 and Multimedia Players
- Cellular/mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
Portable Test and Measurement
Medical Equipment
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”
TABLE 1. FEATURES AT A GLANCE
ISL54059
Number of Switches
2
SW
SPDT or 2-to-1 MUX
4.3V rON
0.65
Ω
4.3V tON/tOFF
43ns/23ns
2.7V rON
0.9
Ω
2.7V tON/tOFF
55ns/18ns
1.8V rON
1.8
Ω
1.8V tON/tOFF
145ns/28ns
Packages
10 Ld TQFN, 10 Ld TDFN
r ON
(
Ω
)
VCOM (V)
0
12
3
4
5
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
-1
-2
-3
-4
-5
-6
ICOM = 100mA
V+ = 1.8V
V+ = 2.7V
V+ = 4.5V
ON-RESISTANCE vs SUPPLY VOLTAGE vs
SWITCH VOLTAGE
Data Sheet
March 11, 2011
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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