| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | VSSOP |
| Output Current | 26.0 mA |
| Quiescent Current | 78.0 µA |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
The LM7705MM/NOPB is a switched capacitor charge-pump Voltage Inverter with a low noise, -0.23V fixed negative voltage regulator. This device is designed to be used with low voltage amplifiers to enable the amplifiers output to swing to zero volts. The -0.23V is used to supply the negative supply pin of an amplifier while maintaining less than 5.5V across the amplifier. Rail-to-rail output amplifiers cannot output 0V when operating from a single-supply voltage and can result in error accumulation due to amplifier output saturation voltage being amplified by following gain stages. A small negative supply voltage will prevent the amplifiers output from saturating 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 a zero voltage signal and the full input range of an ADC can be used. The LM7705 device has a shutdown pin to minimize standby power consumption.
● 5% Output voltage tolerance
● 4mVPP Output voltage ripple
● 98% Conversion efficiency
● 78µA Quiescent current
● 500µs Turn-ON time
● Green product and no Sb/Br
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