Overview
The AD5320BRM-REEL is a single, 12-bit buffered voltage output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device operates from a single supply voltage ranging from 2.7 V to 5.5 V and consumes a low current of 115 μA at 3 V. It features an on-chip precision output amplifier that enables rail-to-rail output swing, making it suitable for a variety of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Supply Voltage | Single supply voltage range | 2.7 V to 5.5 V |
| Current Consumption | At 3 V supply voltage | 115 μA |
| Power-Down Current | At 5 V supply voltage | 200 nA |
| Resolution | Number of bits | 12-bit |
| Output Type | Voltage output | Buffered, rail-to-rail |
| Interface | Serial interface type | SPI, QSPI, MICROWIRE, DSP compatible |
| Clock Rate | Maximum clock rate | Up to 30 MHz |
| Settling Time | Output settling time | 10 μs |
| Operating Temperature | Temperature range | -40°C to +105°C |
| Package | Package type | 8-MSOP, 8-TSSOP |
Key Features
- Rail-to-Rail Output: The AD5320BRM-REEL features an on-chip precision output amplifier that allows for rail-to-rail output swing.
- Low Power Consumption: The device consumes only 115 μA at 3 V and reduces to 1 μW in power-down mode.
- Power-Down Modes: Includes three power-down functions with software selectable output loads.
- Power-On Reset: Ensures the DAC output powers up to zero volts and remains there until a valid write takes place.
- High-Speed Interface: Supports serial interfaces up to 30 MHz and is compatible with SPI, QSPI, MICROWIRE, and DSP standards.
- SYNC Interrupt Facility: Provides a frame synchronization signal for the input data.
Applications
- Portable Battery-Powered Instruments: Ideal for low power consumption requirements.
- Digital Gain and Offset Adjustment: Suitable for applications requiring precise gain and offset adjustments.
- Programmable Voltage and Current Sources: Can be used in various programmable source applications.
- Programmable Attenuators: Useful in signal processing and attenuation applications.
Q & A
- What is the supply voltage range of the AD5320BRM-REEL?
The supply voltage range is from 2.7 V to 5.5 V.
- How much current does the AD5320BRM-REEL consume at 3 V supply voltage?
The device consumes 115 μA at 3 V supply voltage.
- What is the maximum clock rate supported by the AD5320BRM-REEL?
The maximum clock rate is up to 30 MHz.
- What is the settling time of the AD5320BRM-REEL?
The output settling time is 10 μs.
- What are the power-down modes of the AD5320BRM-REEL?
The device includes three power-down functions with software selectable output loads.
- What is the operating temperature range of the AD5320BRM-REEL?
The operating temperature range is -40°C to +105°C.
- What type of package is the AD5320BRM-REEL available in?
The device is available in 8-MSOP and 8-TSSOP packages.
- Does the AD5320BRM-REEL have a power-on reset feature?
Yes, it ensures the DAC output powers up to zero volts and remains there until a valid write takes place.
- What are some common applications of the AD5320BRM-REEL?
Common applications include portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and programmable attenuators.
- Is the AD5320BRM-REEL compatible with standard serial interfaces?
Yes, it is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
