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| Low-Voltage, Single and Dual Supply, Triple SPDT Analog Switch |
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| Ordering Information |
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 iBuy direct from Intersil
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 iBuy direct - out of stock
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 Request samples
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 Check distributor inventory
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Available in RoHS/Pb-Free
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Part No. |
Design-In
Status |
Temp. |
Package |
MSL |
Price
US $ |
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| ISL43231IRZ |
Active |
Ind |
20 Ld QFN |
3 |
1.27 |
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| ISL43231IRZ-T |
Active |
Ind |
20 Ld QFN T+R |
3 |
1.36 |
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| ISL43231IR |
InActive |
Ind |
20 Ld QFN |
1 |
N/A |
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| ISL43231IR-T |
InActive |
Ind |
20 Ld QFN T+R |
1 |
N/A |
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| The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice. |
| MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020 |
| SMD = Standard Microcircuit Drawing |
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 Description |
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The Intersil ISL43231 device is a precision, bidirectional, analog switch configured as a a triple single pole/double throw (SPDT) switch, designed to operate from a single +2V to +12V supply or from a ±2V to ±6V supply. The device has an inhibit and inhibit bar pin to simultaneously open all signal paths. The device also has a latch bar pin to lock in the last switch address.
ON resistance of 39Ω with a ±5V supply and 125Ω with a +3.3V supply. Each switch can handle rail to rail analog signals. The off-leakage current is only 0.1nA at +25°C or 2.5nA at +85°C.
All digital inputs have 0.8V to 2.4V logic thresholds, ensuring TTL/CMOS logic compatibility when using a single +3.3V or +5V supply or dual ±5V supplies.
The ISL43231 is a committed triple SPDT, which is perfect for use in 2-to-1 multiplexer applications. |
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 Key Features |
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Fully Specified at 3.3V, 5V, ±5V, and 12V Supplies for 10% Tolerances
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ON Resistance (RON) Max, VS = ±4.5V 50Ω
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ON Resistance (RON) Max, VS = +3V 155Ω
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RON Matching Between Channels, VS = ±5V <2Ω
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Low Charge Injection, VS = ±5V 1pC (Max)
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Single Supply Operation +2V to +12V
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Dual Supply Operation ±2V to ±6V
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Fast Switching Action (VS = +5V)
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Guaranteed Max Off-leakage 2.5nA
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Guaranteed Break-Before-Make
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TTL, CMOS Compatible
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Pb-free Available
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| Related Documentation |
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 Datasheet(s): |
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 Technical Homepage: |
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 Parametric Data |
| | Switch or MUX | | Switch/MUX | | | Configuration | | Triple 2x1 | | | Type of Switch | | SPDT | | | rDS(ON) (Ω) | | 44 | | | T(ON) (ns) | | 35 | | | T(OFF) (ns) | | 22 | | | CHG INJ (pC) | | .3 | | | Leakage (nA) | | .002 | | | SRC Cap (pF) | | 3 | | | DRN Cap (ON) (pF) | | 14 | | | IS (A) | | 7µ | | | IS (μA) | | 7 | | | VCC Range (±V) | | +2 to +12, ±2 to ±6 | | | VCC (Single) (min) (V) | | 2 | | | VCC (Single) (max) (V) | | 12 | | | VCC (Dual) (min) (±V) | | 2 | | | VCC (Dual) (max) (±V) | | 6 | |
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 Application Block Diagrams |
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| Applications |
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- Battery Powered, Handheld, and Portable Equipment
- Communications Systems
- Radios
- Telecom Infrastructure
- ADSL, VDSL Modems
- Test Equipment
- Medical Ultrasound
- Magnetic Resonance Image
- CT and PET Scanners (MRI)
- ATE
- Electrocardiograph
- Audio and Video Signal Routing
- Various Circuits
- +3V/+5V DACs and ADCs
- Sample and Hold Circuits
- Operational Amplifier Gain Switching Networks
- High Frequency Analog Switching
- High Speed Multiplexing
- Integrator Reset Circuits
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| | ISL84053 | | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches | |
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