Features
- Fully specified at 12V, 5V, and 3.3V supplies for 10% tolerances
- 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 switching
- Minimum 2000V ESD protection per method 3015.7
- TTL, CMOS compatible
- Available in 6 Ld SOT-23 package
- Pb-free available (RoHS compliant)
Description
The Intersil ISL43210 device is a precision, bidirectional, single SPDT analog switch 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 (3nA 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 device may be used to mux-in additional functionality while reducing ASIC design risk. Its small package alleviates board space limitations, making it an ideal solution. The ISL43210 is a single committed SPDT, which is perfect for use in 2-to-1 multiplexer applications.
Parameters
| Attributes | Value |
|---|---|
| Switch or MUX | Switch/MUX |
| Channels (#) | 2 |
| Configuration | 1 x 2:1 |
| TON (ns) | 28 |
| TOFF (ns) | 20 |
| Charge Injection (pC) | 5 |
| Drain Capacitance (pF) | 28 |
| Leakage (nA) | 0.01 |
| RDS (ON) (Ohms) | 19 |
| Source Cap (pf) | 8 |
| Vcc (V) | 2.7 to 12 |
| VCC (Single) (V) | 2.7 - 12 |
| IS (mA) | 5.0E-5 |
| Type of Switch | SPDT |
| Qualification Level | Standard |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SOT23 | 2.9 x 1.7 x 0.00 | 6 | 1 |
Application Block Diagrams
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Additional Applications
- Battery-powered, handheld, and portable equipment Cellular/mobile phones Pagers Laptops, notebooks, palmtops
- Communications systems Radios, ADSL Modems PBX, PABX
- Test and measurement equipment Ultrasound Computerized Tomography (CT) Scanner Magnetic Resonance Image (MRI) Position Emission Tomography (PET) Scanner 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
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Knowledge Base
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What is the ISL43210 crosstalk with various load resistances?
Question:We use the ISL43210 with a single +12V Supply. According to the datasheet the crosstalk is -105dB with RL=50Ω. What is the derating with RL=500Ω, RL=5kΩ, RL=50kΩ and RL=500kΩ? Answer:For every 10x increase in the load resistance the crosstalk will decrease by around ...
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