Core specifications
AD5065BRUZ belongs to ADI's nanoDAC series and is fully pin-compatible with the AD5025 (12-bit) and AD5045 (14-bit) of the same series, providing users with a flexible upgrade path in terms of digits.it usesdual channeldesign,16 bitResolution, built-in output buffer amplifier, can directly drive the load.The two channels share the same SPI bus but have independent reference voltage input pins, allowing different voltage reference sources to be configured for each channel.In terms of power supply, it usesSingle power supply design, the operating voltage range is2.7V to 5.5V, the typical application is 5V. Under 5V power supply, the single-channel quiescent current is only400nA（0.4μA）, three shutdown modes can further reduce power consumption when not in use, and the overall power consumption is extremely low.
In terms of analog performance, AD5065BRUZ has excellent DC accuracy, and the typical integral nonlinearity value is±0.2 LSB, the maximum value is ±1 LSB, and the differential nonlinearity is also ±1 LSB, which can provide a very accurate voltage output.it supportsRail-to-rail output, the output range can be from 0V to the reference voltage VREF, and the officially guaranteed output drive current is ±5mA.
AD5065BRUZ built-inPower on reset circuit, ensure that the output is reset to 0V or an intermediate value after power-on until a valid write occurs, which can effectively prevent abnormal actions when the system starts.It uses high speedThree-wire SPI/QSPI/MICROWIRE compatible serial interface, with clock rates up to50MHz, when using a 50MHz SPI clock, the update rate for each channel can be1.5 MSPS.The interface also supports daisy chain mode, allowing multiple DACs to be controlled in series via the same bus, simplifying PCB layout in multi-channel applications.Packaged to industry standard14-pin TSSOP, 4.40mm wide, compact in size.The operating temperature range is -40°C to +125°C, meeting the requirements for stable operation in harsh environments.
Model naming analysis and core advantages
The naming rules of AD5065BRUZ clearly reflect the product attributes:ADRepresents the Analog Devices brand;50Represents nanoDAC series;65Represents specific models in the series;BRUZIn the suffix,BRepresents the accuracy level (16 bits ±1 LSB INL),RUstands for TSSOP package,ZIt stands for lead-free, environmental protection and RoHS compliance.
In the field of precision voltage output control, AD5065BRUZ has three core values: First, high precision makes the signal source purer.Maximum INL error of ±1 LSBIt is the first-class level among 16-bit DACs and can ensure that the system control loop will not produce unnecessary oscillations due to the nonlinearity of the converter itself.The second isDual Channel Standalone Reference ArchitectureAllows selection of different measurement or control ranges for each channel.Third, the complete software ecosystem shortens the development cycle.ADI provides detailed evaluation boards, simulation models and embedded driver codes for the nanoDAC series, which can effectively compress the entire development cycle of the project from low-level driver debugging to functional acceptance.matchREF19xx seriesA voltage reference source with low temperature drift and high initial accuracy can achieve excellent temperature stability.
Main application scenarios
AD5065BRUZ covers many niche applications such as industry, communications and medical care.Industrial process control and automation equipment, the PLC's analog output module needs to convert the calculated digital quantity into an accurate 4-20mA or 0-10V signal.The AD5065BRUZ ±1 LSB accuracy and 8us settling time ensure fast response of the actuator.Data acquisition system and precision instrumentationFor example, in digital multimeters and oscilloscope front-ends, the core of a high-precision programmable voltage source is a high-performance DAC. AD5065BRUZ ensures that the instrument has extremely high channel density and accuracy.Portable medical equipmentThe portable monitor also uses low-speed, high-resolution DAC to adjust light intensity or emit analog alarm sounds. Its ultra-low power consumption and rail-to-rail output provide a solid foundation for battery life for battery-powered equipment.Offset and Calibration of Communications Equipment, a high-resolution DAC is required to precisely tune the RF voltage-controlled oscillator or to fine-tune the power consumption.
Related models and alternative references
AD5065 belongs to a complete DAC family, making it easy for users to upgrade and downgrade as needed.The AD5065BRUZ-1REEL7 in the same series is packaged in tape and reel. The AD5025BRUZ (12-bit) and AD5045BRUZ (14-bit) are 100% pin compatible and have a better price.In terms of the same package, same logic, but different functions, AD5066BRUZ-1 is a four-channel device with exactly the same package size.Among cross-brand compatible substitutions, TI's DAC8562 series (dual-channel, 16-bit, 2.7V-5.5V) is a competing product with the same positioning. However, when driver transplantation and PCB modifications are made, it is necessary to carefully check the differences in reference voltage architecture, configuration registers and specific output drive capabilities.Domestic alternatives such as Seripu, Shengbang Micro, etc. also have benchmarking products, and software and hardware compatibility verification must be done before use.
write at the end
With its dual-channel 16-bit resolution precision architecture, 50MHz SPI interface and nanoampere-level standby power consumption, ADI AD5065BRUZ provides engineers with an integrated solution with extremely small size, extremely low power consumption and extremely high channel density in the field of high-precision analog output.
As a chip agent distributor that has been deeply involved in the electronic components industry since 2011, Shenzhen Hongmai Electronics Co., Ltd. has long-term ADIThe full range of AD5065BRUZ and AD5065 precision DACs are in stock. We also supply AD5025/AD5045 (12/14-bit version), AD5066 (four-channel version) and other series models as well as various precision operational amplifiers, voltage references and other peripheral components. We support factory batch direct shipment, small batch samples and technical selection assistance.If you need any inquiry or need to know the selection suggestions of different digits in the same series, please feel free to contact us (tel: 0755-23815611, QQ 2355878270).Shenzhen Hongmai Electronics Co., Ltd.
