Overview
The AD5381BSTZ-5-REEL, produced by Analog Devices Inc., is a comprehensive, single-supply, 40-channel, 12-bit digital-to-analog converter (DAC) packaged in a 100-lead LQFP. This device is part of the denseDAC® family, known for its high channel density and integrated functionalities. Each of the 40 channels includes an on-chip output amplifier with rail-to-rail operation, enhancing the device's versatility and performance. The AD5381 also features a programmable internal reference, channel monitoring capabilities, and various interface options for flexible data transfer.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 40 |
| Resolution | 12-bit |
| Supply Voltage | 3 V or 5 V |
| Package Type | 100-lead LQFP |
| Internal Reference | Programmable 1.25 V/2.5 V, 10 ppm/°C |
| Output Amplifier | Rail-to-rail operation with boost mode |
| Interface Options | Double-buffered parallel, SPI-/QSPI-/MICROWIRE-/DSP-compatible serial, I2C-compatible |
| Interface Speeds | Up to 30 MHz (serial), 400 kHz (I2C) |
| Power Consumption | Typically 0.25 mA/channel (boost mode disabled) |
Key Features
- Integrated on-chip output amplifiers with rail-to-rail operation and boost mode for optimized slew rate.
- Programmable internal 1.25 V/2.5 V reference with 10 ppm/°C temperature coefficient.
- Channel monitoring function that multiplexes analog outputs to a common MON_OUT pin.
- Double-buffered parallel interface and SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface.
- I2C-compatible interface supporting up to 400 kHz data transfer rate.
- Programmable gain and offset adjust registers for each channel.
Applications
The AD5381 is suitable for a variety of applications that require high-channel density and precise analog output control. These include industrial control systems, medical devices, automotive systems, and any application where multiple analog outputs need to be precisely controlled from a digital source.
Q & A
- What is the resolution of the AD5381 DAC?
The AD5381 has a 12-bit resolution. - How many channels does the AD5381 support?
The AD5381 supports 40 channels. - What are the supply voltage options for the AD5381?
The AD5381 can operate on either 3 V or 5 V single supply. - What type of package is the AD5381 available in?
The AD5381 is available in a 100-lead LQFP package. - Does the AD5381 have an internal reference?
Yes, the AD5381 includes a programmable internal 1.25 V/2.5 V reference with a 10 ppm/°C temperature coefficient. - What interface options are available on the AD5381?
The AD5381 features double-buffered parallel, SPI-/QSPI-/MICROWIRE-/DSP-compatible serial, and I2C-compatible interfaces. - What is the typical power consumption per channel of the AD5381?
The typical power consumption per channel is 0.25 mA with boost mode disabled. - Can the output amplifiers of the AD5381 be optimized?
Yes, the output amplifiers have a boost mode to optimize the slew rate. - Is channel monitoring available on the AD5381?
Yes, the AD5381 includes a channel monitoring function that multiplexes the analog outputs to a common MON_OUT pin. - Can the gain and offset of each channel be adjusted?
Yes, each channel has programmable gain and offset adjust registers.
