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for single-supply operation. These high-precision devices areideal for low-distortion audio, video, signal switching and routing.The PI5A121 is a single-pole throw (SPST) normally open (NO)switch. The switch is open when IN is LOW. The PI5A122 isa single-pole single-throw (SPST) normally closed (NC)witch.
Each switch conducts current equally well in either directionwhen on. When off, they block voltages up to V+.hese switches are fully specified with +5V, and +3.3V supplies.With +5V, they guarantee <10 On-Resistance. On-Resistancematching between channels is within 2. On-Resistance flatnessis less than 55 over the specified range. These switches alsoguarantee fast switching speeds (tON <20ns).
These products are available in 5-pin SC70 and/or 6-pin SOT23plastic packages for operation over the industrial (-40oC to +85oC) emperature range.
PI5A124 Maximum Ratings
Voltages Referenced to Gnd V+ ..........................................................................-0.5V to +7V VIN, VCOM, VNC, VNO (Note 1) ...................-0.5V to VCC +2V or 30mA, whichever occurs first Current (any terminal)..................................................... ±25mA Peak Current, COM, NO, NC (Pulsed at 1ms, 10% duty cycle)..................................... ±25mA
PI5A124 Features
• Single-Supply Operation (+2V to +6V) • Rail-to-Rail Analog Signal Dynamic Range • Low On-Resistance (6 typ. with 5V supply)Minimizes Distortion and Error Voltages • On-Resistance Flatness, 3 typ. • Low Charge Injection Reduces Glitch Errors. Q = 4pC typ. • High Speed. tON = 10ns typ. • Wide -3dB Bandwidth: 326 MHz (typ.) • High-Current Channel Capability: >100mA • TTL/CMOS Logic Compatible • Low Power Consumption (0.5W typ) • Small outline transistor package minimizes board area • Packaging (Pb-free & Green available):- 5-pin 65-mil wide SOT23 (T) for PI5A121 and PI5A122- 6-pin 65-mil wide SOT23 (T) for PI5A124 5-pin 50-mil wide SC70 (C) for PI5A121/PI5A122
PI5A124 Typical Application
• Audio, Video Switching, and Routing • Battery-Powered Communication Systems • Computer Peripherals • Telecommunications • Portable Instrumentation • Mechanical Relay Replacement • Cell Phones • PDAs