概览
描述
The Intersil ISL84781 device contains precision, bidirectional, analog switches configured as an 8-channel multiplexer/demultiplexer. It is designed to operate from a single +1.6V to +3.6V supply. The device has an inhibit pin to simultaneously open all signal paths. ON-resistance is 0.4Ω with a +3.0V supply and 0.55Ω with a single +1.8V supply. Each switch can handle rail-to-rail analog signals. The off-leakage current is only 4nA max at +25°C or 40nA max at +85°C with a +3.3V supply. All digital inputs are 1.8V logic-compatible when using a single +3V supply. The ISL84781 is a 8-to-1 multiplexer device that is offered in a 16 Ld TSSOP package, and a 16 Ld thin QFN package.
特性
- Pin Compatible Replacement for the MAX4781, and MAX4617
- ON-resistance (rON)
- V+ = +3.0V: 0.4Ω
- V+ = +1.8V: 0.55Ω
- rON Matching Between Channels: 0.12Ω
- rON Flatness Across Signal Range: 0.056Ω
- Single Supply Operation: +1.6V to +3.6V
- Low Power Consumption (PD): <0.2µW
- Fast Switching Action (VS = +3V)
- tON: 16ns
- tOFF: 13ns
- Guaranteed Break-Before-Make
- High Current Handling Capacity (300mA Continuous)
- Available in 16 Ld TSSOP and 16 Ld 3x3 Thin QFN
- 1.8V CMOS-Logic Compatible (+3V Supply)
- Pb-Free (RoHS Compliant)
- ISL84781IR Replaces the ISL43L680IR.
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