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Description for the LM7705
The LM7705 device is a switched capacitor voltage inverter with a low noise, −0.23 Vfixed negative voltage regulator. This device is designed to be used with low voltage amplifiers toenable the amplifiers output to swing to zero volts. The −0.23 V is used to supply the negativesupply pin of an amplifier while maintaining less then 5.5 V across the amplifier. Rail-to-Railoutput amplifiers cannot output zero volts when operating from a single-supply voltage and canresult in error accumulation due to amplifier output saturation voltage being amplified byfollowing gain stages. A small negative supply voltage will prevent the amplifiers output fromsaturating at zero volts and will help maintain an accurate zero through a signal processing chain.Additionally, when an amplifier is used to drive an input of the ADC, the amplifier can output azero voltage signal and the full input range of an ADC can be used. The LM7705 device has ashutdown pin to minimize standby power consumption.
NEW - You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.
A custom reel
is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.
Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.TI often ships
devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.
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