Overview
The AD5380BSTZ-3 is a 40-channel, 14-bit, single-supply voltage-output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the denseDAC® family and is available in a 100-lead LQFP package. It operates within a temperature range of –40°C to +85°C and supports both 3 V and 5 V power supplies. The AD5380BSTZ-3 is designed for applications requiring high precision and flexibility in output voltage control.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 14 bits | ||
| Number of Channels | 40 | ||
| Operating Voltage | 2.7 V to 3.6 V or 4.5 V to 5.5 V | V | AVDD and DVDD |
| Temperature Range | –40°C to +85°C | °C | |
| Output Voltage Settling Time | 3 µs typ, 8 µs max | µs | Boost mode off, CR11 = 0 |
| Slew Rate | 1.5 V/µs typ (boost off), 2.5 V/µs typ (boost on) | V/µs | |
| Power Consumption per Channel | 0.25 mA typ (boost off), 0.325 mA typ (boost on) | mA | Outputs unloaded |
| Package Type | 100-Lead LQFP | 14mm x 14mm |
Key Features
- Programmable Internal Reference: The AD5380BSTZ-3 includes a programmable internal 1.25 V/2.5 V reference with a temperature coefficient of 10 ppm/°C.
- Channel Monitor Function: An on-chip channel monitor function multiplexes the analog outputs to a common MON_OUT pin for external monitoring.
- Output Amplifier Boost Mode: Allows optimization of the amplifier slew rate to enhance performance.
- Double Buffering: Each channel has an input register followed by a DAC register, enabling independent or simultaneous updates of the DAC outputs using the LDAC input.
- Programmable Gain and Offset Adjust: Each channel has a programmable gain and offset adjust register for full calibration.
- Communication Interfaces: Supports I2C, parallel, SPI, and DSP interfaces.
Applications
The AD5380BSTZ-3 is suitable for a wide range of applications that require precise voltage control and high channel density. These include:
- Industrial Automation: For controlling multiple analog outputs in industrial control systems.
- Medical Devices: In medical equipment where precise voltage control is critical.
- Aerospace and Defense: For applications requiring high reliability and precision.
- Test and Measurement Equipment: To generate multiple precise analog voltages for testing and measurement purposes.
Q & A
- What is the resolution of the AD5380BSTZ-3?
The AD5380BSTZ-3 has a resolution of 14 bits.
- How many channels does the AD5380BSTZ-3 have?
The AD5380BSTZ-3 has 40 channels.
- What are the operating voltage ranges for the AD5380BSTZ-3?
The operating voltage ranges are 2.7 V to 3.6 V or 4.5 V to 5.5 V for AVDD and DVDD.
- What is the temperature range for the AD5380BSTZ-3?
The temperature range is –40°C to +85°C).
- What is the output voltage settling time for the AD5380BSTZ-3?
The output voltage settling time is typically 3 µs and a maximum of 8 µs with boost mode off).
- Does the AD5380BSTZ-3 have an internal reference?
Yes, it includes a programmable internal 1.25 V/2.5 V reference).
- What communication interfaces does the AD5380BSTZ-3 support?
The AD5380BSTZ-3 supports I2C, parallel, SPI, and DSP interfaces).
- What is the power consumption per channel for the AD5380BSTZ-3?
The power consumption is typically 0.25 mA per channel with boost off and 0.325 mA with boost on).
- What package type is the AD5380BSTZ-3 available in?
The AD5380BSTZ-3 is available in a 100-Lead LQFP package).
- Does the AD5380BSTZ-3 have a channel monitor function?
Yes, it has an on-chip channel monitor 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 a programmable gain and offset adjust register).
