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MAX14515 pdf datasheet
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The MAX14515 high-voltage liquid lens driver features a high-voltage differential output controlled through an I2C interface. The MAX14515 uses a charge-pump-based boost converter and integrated H-bridge to provide a compact lens driver solution with minimal external components to achieve a small overall footprint suitable for small space constraints inside camera modules.
The MAX14515 features an 8-bit monotonic DAC with a single differential high-voltage output controlled by a 2-wire I2C interface to set the amplitude. The high-voltage outputs are capable of delivering up to 42VRMS (min) into a 220pF liquid lens load at 1.0kHz (min).
The MAX14515 also features two power-saving modes (shutdown mode and sleep mode) to minimize power consumption when the device is inactive. Shutdown mode places the device in a low-power state that resets all registers and disables the I2C interface to reduce current below 500nA (max). In sleep mode, the power-on reset circuit remains active. If no activity is detected on the I2C interface, current consumption is less than 3µA.
| Small Footprint for Placement Inside Camera Modules | |
| 47VRMS Maximum Output (CLENS = 220pF) | |
| I2C-Compatible Interface for Setting Output Voltage | |
| 8-Bit Output Voltage Resolution | |
| Guaranteed Monotonic Output | |
| ±15kV Human Body Model ESD Protection on Outputs | |
| Low 500nA (max) Shutdown Current | |
| +2.7V to +5.5V Input Voltage Range |
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