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| Low-Voltage, Single Supply, 4 to 1 Multiplexer, High Performance 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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| ISL43640IR |
Active |
Ind |
16 Ld QFN |
1 |
0.99 |
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| ISL43640IRZ |
Active |
Ind |
16 Ld QFN |
2 |
0.99 |
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| ISL43640IRZ-T |
Active |
Ind |
16 Ld QFN T+R |
2 |
1.05 |
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| ISL43640IUZ |
Active |
Ind |
10 Ld MSOP |
2 |
0.95 |
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| ISL43640IUZ-T |
Active |
Ind |
10 Ld MSOP T+R |
2 |
1.01 |
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| ISL43640IR-T |
InActive |
Ind |
16 Ld QFN T+R |
1 |
N/A |
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| ISL43640IU |
InActive |
Ind |
10 Ld MSOP |
1 |
N/A |
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| ISL43640IU-T |
InActive |
Ind |
10 Ld MSOP 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 ISL43640 is a precision, bidirectional, analog switch configured as a 4 channel multiplexer/demultiplexer. The ISL43640 is designed to operate from a single +2V to +12V supply. It is equipped with an inhibit pin to simultaneously open all signal paths.
ON resistance is 115Ω with a +5V supply, 45Ω with a +12V supply, and 190Ω with a +3V supply. Each switch can handle rail to rail analog signals. The off-leakage current is only 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 +5V supply. Some of the smallest packages are available, alleviating board space limitations, and making Intersil's newest line of low-voltage switches an ideal solution. |
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 Key Features |
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Fully Specified at 3V, 5V, and 12V Supplies for 10% Tolerances
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ON Resistance (RON), VS = 5V 100Ω
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RON Matching Between Channels <2Ω
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Low Charge Injection 3pC (Max)
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Single Supply Operation +2V to +12V
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Low Power Consumption (PD) <3µW
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Low Off Leakage Current 2.5nA
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Fast Switching Action (VS = 5V)
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Guaranteed Break-Before-Make
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TTL, CMOS Compatible
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Available in 10 Ld MSOP and 16 Ld QFN Packages
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Pb-Free Plus Anneal Available (RoHS Compliant)
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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 | | Single 4x1 | | | Type of Switch | | N/A | | | rDS(ON) (Ω) | | 45 | | | T(ON) (ns) | | 25 | | | T(OFF) (ns) | | 24 | | | CHG INJ (pC) | | 1.2 | | | Leakage (nA) | | 1 | | | SRC Cap (pF) | | 4 | | | DRN Cap (ON) (pF) | | 20 | | | IS (A) | | 0.1n | | | IS (μA) | | .0001 | | | VCC Range (±V) | | +2 to +12 | | | VCC (Single) (min) (V) | | 2 | | | VCC (Single) (max) (V) | | 12 | | | VCC (Dual) (min) (±V) | | * | | | VCC (Dual) (max) (±V) | | * | |
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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
- Electrocardiograph
- Magnetic Resonance Image
- CT and PET Scanners (MRI)
- ATE
- Audio and Video Switching
- 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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| | ISL43681 | | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer and Differential 4 to 1 Multiplexer | | | ISL84051 | | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches | | | ISL84524 | | Low-Voltage, Single Supply, 4 to 1 Multiplexer and DPDT Analog Switches | | | ISL84581 | | Low-Voltage, Single and Dual Supply, 8 Multiplexer to 1 Multiplexer | |
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