Overview
The AD5320BRTZ-500RL7, produced by Analog Devices Inc., is a single, 12-bit buffered voltage output digital-to-analog converter (DAC). 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 wide range of applications. The AD5320 utilizes a versatile three-wire serial interface compatible with standard SPI, QSPI, MICROWIRE, and DSP interface standards, operating at clock rates up to 30 MHz.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 12-bit |
| Supply Voltage | Operating voltage range | 2.7 V to 5.5 V |
| Current Consumption | Current at 3 V | 115 µA |
| Output Swing | Output voltage range | Rail-to-rail |
| Serial Interface | Interface type and clock rate | 3-wire serial, up to 30 MHz |
| Power-Down Current | Current in power-down mode at 5 V | 200 nA |
| Temperature Range | Operating temperature range | -40°C to +105°C |
| Package Type | Package options | 6-lead SOT-23, 8-lead MSOP |
Key Features
- Rail-to-Rail Output Swing: The on-chip precision output amplifier allows for full rail-to-rail output swing, maximizing the dynamic output range.
- Low Power Consumption: The device consumes only 115 µA at 3 V and reduces to 1 µW in power-down mode, making it ideal for battery-operated devices.
- Versatile Serial Interface: Compatible with standard SPI, QSPI, MICROWIRE, and DSP interface standards, operating at clock rates up to 30 MHz.
- Power-On Reset and Power-Down Modes: Ensures the DAC output powers up to zero volts and features software-selectable power-down modes to reduce current consumption.
- High Accuracy and Linearity: Ensures precise digital-to-analog conversion with high linearity and accuracy.
Applications
- Portable Battery-Powered Instruments: Ideal for low-power, battery-operated devices due to its low current consumption.
- Digital Gain and Offset Adjustment: Can be used for adjusting gain and offset in various circuits.
- Programmable Voltage and Current Sources: Suitable for applications requiring programmable voltage or current outputs.
- Programmable Attenuators: Can be used in applications that require adjustable attenuation.
Q & A
- What is the resolution of the AD5320BRTZ-500RL7 DAC?
The AD5320BRTZ-500RL7 is a 12-bit DAC.
- What is the operating voltage range of the AD5320BRTZ-500RL7?
The device operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- How much current does the AD5320BRTZ-500RL7 consume at 3 V?
The device consumes 115 µA at 3 V.
- What is the output voltage range of the AD5320BRTZ-500RL7?
The output voltage range is rail-to-rail.
- What types of serial interfaces does the AD5320BRTZ-500RL7 support?
The device supports standard SPI, QSPI, MICROWIRE, and DSP interface standards.
- What is the maximum clock rate of the serial interface?
The serial interface operates at clock rates up to 30 MHz.
- What is the current consumption in power-down mode at 5 V?
The current consumption in power-down mode at 5 V is 200 nA.
- What are the package options for the AD5320BRTZ-500RL7?
The device is available in 6-lead SOT-23 and 8-lead MSOP packages.
- What is the operating temperature range of the AD5320BRTZ-500RL7?
The operating temperature range is -40°C to +105°C.
- Is the AD5320BRTZ-500RL7 suitable for battery-operated devices?
Yes, it is ideal for battery-operated devices due to its low power consumption.
