Features and Benefits
- AD5305: 4 buffered 8-bit DACs in 10-lead MSOP A version: ±1 LSB INL, B version: ±0.625 LSB INL
- AD5315: 4 buffered 10-bit DACs in 10-lead MSOP A version: ±4 LSB INL, B version: ±2.5 LSB INL
- AD5325: 4 buffered 12-bit DACs in 10-lead MSOP A version: ±16 LSB INL, B version: ±10 LSB INL
- Low power operation: 500 μA @ 3 V, 600 μA @ 5 V
- 2-wire (I2C®-compatible) serial interface
- 2.5 V to 5.5 V power supply
- Power-down to 80 nA @ 3 V, 200 nA @ 5 V
- Three power-down modes
- Guaranteed monotonic by design over all codes
- Double-buffered input logic
- Output range: 0 V to VREF
- Power-on reset to 0 V
- Simultaneous update of outputs (LDAC function)
- Software clear facility
- Data readback facility
- On-chip rail-to-rail output buffer amplifiers
- Temperature range: −40°C to +105°C
The AD5305 / AD5315 / AD5325 are quad 8-, 10-, and 12-bit buffered voltage output DACs in a 10-lead MSOP that operate from a single 2.5 V to 5.5 V supply, consuming 500 μA at 3 V. Their on-chip output amplifiers allow rail-to-rail output swing with a slew rate of 0.7 V/μs. A 2-wire serial interface that operates at clock rates up to 400 kHz is used. This interface is SMBus compatible at VDD < 3.6 V. Multiple devices can be placed on the same bus.
The references for the four DACs are derived from one reference pin. The outputs of all DACs can be updated simultaneously using the software LDAC function.
The parts incorporate a power-on reset circuit, which ensures that the DAC outputs power up to 0 V and remain there until a valid write takes place to the device. There is also a software clear function to reset all input and DAC registers to 0 V. The parts contain a power-down feature that reduces the current consumption of the devices to 200 nA @ 5 V (80 nA @ 3 V).
The low power consumption of these parts in normal operation makes them ideally suited for portable battery-operated equipment. The power consumption is 3 mW at 5 V, 1.5 mW at 3 V, reducing to 1 μW in power-down mode.
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
- Industrial process control
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
AN-349: Keys to Longer Life for CMOS10/15/200289 kB
AD5305 Companion Parts
Recommended Output Amplifiers
Recommended Precision References
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|AD5305ARMZ||Material Declaration||Reliability Data||10-Lead MSOP|
|AD5305ARMZ-REEL7||Material Declaration||Reliability Data||10-Lead MSOP|
|AD5305BRMZ||Material Declaration||Reliability Data||10-Lead MSOP|
|AD5305BRMZ-REEL7||Material Declaration||Reliability Data||10-Lead MSOP|
|Wafer Fabrication Data|
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