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Motore di ricerca datesheet componenti elettronici |
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AS1746 Scheda tecnica(PDF) 1 Page - ams AG |
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AS1746 Scheda tecnica(HTML) 1 Page - ams AG |
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1 / 15 page  AS1746 0.5/0.6 Ω, Low-Voltage, Dual SPDT Analog Switch www.austriamicrosystems.com Revision 1.03 1 - 15 Datasheet 1 General Description The AS1746 is a low on-resistance (RON), low-voltage, dual-single-pole/double-throw (SPDT) analog switch designed to operate from a single +1.8 to +5.5V supply. The device features a 0.5 Ω (max) RON for normally closed (NC) switches and a 0.6 Ω (max) RON for nor- mally open (NO) switches using a +2.7V supply. The AS1746 features break-before-make switching (2ns) with tON = 50ns and tOFF = 30ns (using a +2.7V supply). The digital logic inputs are 1.8V logic-compatible with +2.7 to +3.3V supplies. The AS1746 is available in a TDFN-10 (3x3mm) pack- age and a WL-CSP-10 package. Figure 1. AS1746 - Block Diagram 2 Key Features ! Single Supply Operation: +1.8V to +5.5V ! Normally Closed Switch RON: 0.45 Ω (+2.7V Supply) ! Normally Open Switch RON: 0.55 Ω (+2.7V Supply) ! RON Matching Between Channels: 0.06 Ω ! RON Flatness Over Signal Range: 0.15 Ω ! Supply Current: 50nA ! Rail-to-Rail Signal Handling ! 1.8V Logic Compatibility ! Low Crosstalk: -60dB (100kHz) ! High Off-Isolation: -64dB (100kHz) ! Total Harmonic Distortion: 0.025% ! Ultra-Low Leakage Currents: 1nA (@ TAMB = +25ºC) ! Package Types: - TDFN-10 (3x3mm) - WL-CSP-10 3 Applications The device is ideal for audio headsets, MP3 players, power routing switches, relay replacements, audio and video signal routing, communications circuits, PCMCIA cards, mobile phones, MODEMs, and any battery-oper- ated equipment. Truth Table Switch shown for logic low input. IN NOx to COM NCx to COM Low Off On High On Off AS1746 4 IN1 3 COM1 2 NO1 1 V+ 6GND 7 NC2 9COM2 10 NO2 5 NC1 8 IN2 |
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