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PDF MAX14515 Data sheet ( Hoja de datos )
| Número de pieza | MAX14515 | |
| Descripción | He Smallest Liquid Lens Driver | |
| Fabricantes | Maxim Integrated Products | |
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High-Voltage Liquid Lens Driver
General Description
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 com-
ponents 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-volt-
age 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 cur-
rent 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.
The MAX14515 operates over the +2.7V to +5.5V sup-
ply voltage range, ideal for portable applications using
lithium ion battery sources. The MAX14515 is specified
over the -40°C to +85°C extended temperature range
and is available in a small (1mm x 2mm) 8-bump WLP
package.
Applications
Autofocus Camera Modules
Barcode Readers
Webcams
Pin Configuration
Features
o Small Footprint for Placement Inside Camera
Modules
o 47VRMS Maximum Output (CLENS = 220pF)
o I2C-Compatible Interface for Setting Output
Voltage
o 8-Bit Output Voltage Resolution
o Guaranteed Monotonic Output
o ±15kV Human Body Model ESD Protection on
Outputs
o Low 500nA (max) Shutdown Current
o +2.7V to +5.5V Input Voltage Range
o Space-Saving, 8-Bump WLP (1mm x 2mm) Package
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
TOP
MARK
MAX14515EWA+ -40°C to +85°C
8 WLP
+AAA
+Denotes a lead-free/RoHS-compliant package.
Typical Application Circuit
TOP VIEW
(BUMP SIDE DOWN)
2.8V
0.1μF
1μF 1.8V
WLP
1mm x 2mm
LIQUID
LENS
VDD
VB
VREF
SDA
MAX14515 SCL
VA EN
GND
IMAGE
SIGNAL
PROCESSOR
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet MAX14515.PDF ] | |
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