The Intersil ISL54503 device is a low ON-resistance, low voltage, bidirectional, single pole/double throw (SPDT) analog switch designed to operate from a single +1.8V to +5.5V supply. Targeted applications include battery powered equipment that benefit from low ON-resistance (2.5Ω) and fast switching speeds (tON = 25ns, tOFF = 15ns). The digital logic input is 1.8V CMOS compatible when using a single +3V supply.
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 ISL54503 is offered in a 6 Ld 1.2mmx1.0mmx0.4mm pitch µTDFN package and a 6 Ld SOT-23 package, alleviating board space limitations.
The ISL54503 is a committed SPDT that consist of one normally open (NO) and one normally closed (NC) switch. This configuration can also be used as a 2-to-1 multiplexer.
Key Features
- ON-resistance (rON)
- VCC = +5.0V: 2.5Ω
- VCC = +3.0V: 4.0Ω
- VCC = +1.8V: 7.0Ω
- rON matching between channels: 3mΩ
- rON flatness (+4.5V Supply): 0.6Ω
- Single supply operation: +1.8V to +5.5V
- Fast switching action (+4.5V Supply)
- Guaranteed break-before-make
- ESD HBM rating: 6kV
- 1.8V CMOS logic compatible (+3V supply)
- Available in 6 Ld µTDFN and 6 Ld SOT-23 packages
- Pb-free available (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
Order Information| Part Number | Package Type | Weight(g) | Pins | MSL Rating | Peak Temp (°C) | RoHS Status |
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| ISL54503IHZ-T | 6 Ld SOT T+R | 0.018 | 6 | 2 | 260 | RoHS |
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| ISL54503IRUZ-T | 6 Ld uTDFN T+R | 0.0080 | 6 | 1 | 260 | RoHS |
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