Overview
The AD5380BSTZ-5, produced by Analog Devices Inc., is a 40-channel, 14-bit, single-supply voltage-output digital-to-analog converter (DAC). This device is designed for high precision and flexibility, making it suitable for a wide range of applications. It operates with either a 3 V or 5 V supply and features an I²C-compatible interface with a data transfer rate of up to 400 kHz. The AD5380 includes integrated functions such as double buffering, programmable gain and offset adjust registers, and rail-to-rail output amplifiers, enabling independent or simultaneous updating of DAC outputs.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 14 Bits | - | - |
| Relative Accuracy (INL) | ±4 LSB max, ±1 LSB typical | LSB | Guaranteed from VOUT = 10 mV to AVDD – 50 mV |
| Differential Nonlinearity (DNL) | -1/+2 LSB max | LSB | Guaranteed monotonic by design over temperature |
| Supply Voltage (Digital) | 2.7 V to 5.5 V | V | - |
| Supply Voltage (Analog) | 4.5 V to 5.5 V or 2.7 V to 3.6 V | V | - |
| Operating Temperature | -40°C to +85°C | °C | - |
| Number of D/A Converters | 40 | - | - |
| Output Type | Voltage - Buffered | - | - |
| Settling Time | 8 µs | µs | - |
| Package | 100-LQFP (14mm x 14mm) | - | - |
| Data Interface | I²C, Parallel, SPI, DSP | - | - |
Key Features
- Double Buffering: An input register followed by a DAC register allows for independent or simultaneous updating of DAC outputs using the LDAC input.
- Programmable Gain and Offset: Each channel has a programmable gain and offset adjust register for full calibration.
- Low Power Consumption: Typically 0.25 mA/channel with boost off.
- I²C-Compatible Interface: Supports a 400 kHz data transfer rate.
- Rail-to-Rail Output Amplifiers: Each output is capable of driving a 5 kΩ load to ground.
- High Accuracy: Relative accuracy of ±4 LSB max and differential nonlinearity of -1/+2 LSB max.
Applications
The AD5380BSTZ-5 is suitable for various applications requiring high precision and multiple channel control, such as:
- Industrial Automation: For precise control of multiple analog outputs in industrial automation systems.
- Medical Devices: In medical equipment where accurate and reliable analog output is crucial.
- Aerospace and Defense: For applications requiring high reliability and precision in analog output control.
- Test and Measurement Equipment: To provide multiple precise analog outputs in test and measurement instruments.
Q & A
- What is the resolution of the AD5380BSTZ-5 DAC?
The AD5380BSTZ-5 has a resolution of 14 bits.
- What are the supply voltage ranges for the AD5380BSTZ-5?
The digital supply voltage range is 2.7 V to 5.5 V, and the analog supply voltage range is 4.5 V to 5.5 V or 2.7 V to 3.6 V.
- What is the operating temperature range of the AD5380BSTZ-5?
The operating temperature range is -40°C to +85°C.
- How many D/A converters does the AD5380BSTZ-5 have?
The AD5380BSTZ-5 has 40 D/A converters.
- What type of output does the AD5380BSTZ-5 provide?
The AD5380BSTZ-5 provides buffered voltage outputs.
- What is the settling time of the AD5380BSTZ-5?
The settling time is 8 µs.
- What data interfaces does the AD5380BSTZ-5 support?
The AD5380BSTZ-5 supports I²C, parallel, SPI, and DSP interfaces.
- Can the gain and offset of each channel be adjusted on the AD5380BSTZ-5?
Yes, each channel has a programmable gain and offset adjust register.
- What is the typical power consumption per channel of the AD5380BSTZ-5 with boost off?
The typical power consumption per channel is 0.25 mA with boost off.
- Is the AD5380BSTZ-5 lead-free and RoHS compliant?
Yes, the AD5380BSTZ-5 is lead-free and RoHS compliant.
