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MFG:ADI D/C:09
Part Number: AD5821A
MFG: ADI
D/C: 09
Description: The AD5821A is a single, 10-bit digital-to-analog converter (DAC) with output current sinking capabili...
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AD5821A
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DataSheet
General Description
AD5821A General 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.
AD5821A Maximum Ratings
| Parameter | Rating |
| VDD to AGND VDD 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 (TJ MAX) WLCSP Power Dissipation JA Thermal 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.
AD5821A 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
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
AD5821A Typical 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
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
AD5821A Connection Diagram
AD500-9
PDF/DataSheet Download
- Datasheet: AD500-9
- File Size: 220693 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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