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Features: Current sink: 120 mAAvailable in 3 * 3 array WLCSP package2-wire, (I2C-compatible) 1.8 V serial interface10-bit resolutionIntegrated current sense resistorPower supply range: 2.7 V to 5.5 VGuaranteed monotonic over all codesPower down to 0.5 A typicalInternal referenceUltralow noise prea...

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SeekIC No. : 004269520 Detail

AD5821A: Features: Current sink: 120 mAAvailable in 3 * 3 array WLCSP package2-wire, (I2C-compatible) 1.8 V serial interface10-bit resolutionIntegrated current sense resistorPower supply range: 2.7 V to 5.5 ...

AD5821A Data Sheet

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Part Number:: AD5821A
Supply Ability:: 5000

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Product Details

Description

Features:

Current sink: 120 mA
Available in 3 * 3 array WLCSP package
2-wire, (I²C-compatible) 1.8 V serial interface
10-bit resolution
Integrated current sense resistor
Power supply range: 2.7 V to 5.5 V
Guaranteed monotonic over all codes
Power down to 0.5 A typical
Internal reference
Ultralow noise preamplifier
Power-down function
Power-on reset

Application

Consumer
Lens autofocus
Image stabilization
Optical zoom
Shutters
Iris/exposure
Neutral density (ND) filters
Lens covers
Camera phones
Digital still cameras
Camera modules
Digital video cameras/camcorders
Camera-enabled devices
Security cameras
Web/PC cameras

Industrial
Heater controls
Fan controls
Cooler (Peltier) controls
Solenoid controls
Valve controls
Linear actuator controls
Light controls
Current loop controls

Pinout

Connection Diagram

Specifications

Parameter	Rating
V_DD to AGND V_DD to DGND AGND to DGND SCL, SDA to DGND XSHUTDOWN to DGND ISINK to AGND Operating Temperature Range Industrial (B Version) Storage Temperature Range Junction Temperature (T_{J MAX}) WLCSP Power Dissipation _JAThermal Impedance¹ Mounted on 4-Layer Board Lead Temperature, Soldering Maximum Peak Reflow Temperature²	−0.3 V to +5.5 V −0.3 V to VDD + 0.3 V −0.3 V to +0.3 V −0.3 V to VDD + 0.3 V −0.3 V to VDD + 0.3 V −0.3 V to VDD + 0.3 V −30 to +85 −65 to +150 150 (TJ MAX − TA)/JA 95/W 260 (±5)

1 To achieve the optimum _JA, it is recommended that the AD5821A be soldered on a 4-layer board.
2 As per JEDEC J-STD-020C.

Description

The AD5821A is a single, 10-bit digital-to-analog converter (DAC) with output current sinking capability of 120 mA. It features an internal reference and operates from a single 2.7 V to 5.5 V supply. The DAC is controlled via a 2-wire, I2C®-compatible serial interface that operates at clock rates up to 400 kHz.

The AD5821A incorporates a power-on reset circuit that ensures the DAC output powers up to 0 V and remains there until a valid write takes place. It has a power-down feature that reduces the current consumption of the device to 1 A maximum.

The AD5821A is designed for autofocus, image stabilization, and optical zoom applications in camera phones, digital still cameras, and camcorders.

The AD5821A is also suitable for many industrial applications, such as controlling temperature, light, and movement without derating over temperatures ranging from −30 to +85.

The I²C 7-bit address for the AD5821A is 0xC.

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AD5821A

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