Overview
The AD5381BSTZ-5, produced by Analog Devices Inc., is a comprehensive, single-supply, 40-channel, 12-bit digital-to-analog converter (DAC) integrated into a 100-lead LQFP package. This device is part of the denseDAC® family and features on-chip output amplifiers with rail-to-rail operation for each of the 40 channels. It includes a programmable internal reference, a channel monitor function, and multiple interface options for flexible integration into various systems.
Key Specifications
| Parameter | Value | Comments |
|---|---|---|
| Number of D/A Converters | 40 | |
| Number of Bits | 12 | |
| Voltage - Supply, Analog | 5V | |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | |
| Package / Case | 100-LQFP (14x14) | |
| Settling Time | 8µs | |
| Operating Temperature | -40°C ~ 85°C | |
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) | |
| Data Interface | I²C, Parallel, SPI, DSP | |
| Reference Type | External, Internal | |
| Output Type | Voltage - Buffered |
Key Features
- Guaranteed Monotonicity: Ensures that the output voltage always increases with increasing digital input code.
- On-Chip Reference: Programmable internal 1.25 V/2.5 V reference with a temperature coefficient of ±10 ppm/°C.
- Rail-to-Rail Output Amplifiers: Each of the 40 channels has an on-chip output amplifier capable of driving 5 kΩ in parallel with a 200 pF load.
- Channel Monitor Function: Allows external monitoring of the analog outputs through a common MON_OUT pin.
- Multiple Interface Options: Supports I²C, parallel, SPI, and DSP-compatible serial interfaces.
- Power-Down Mode: Reduces power consumption to 20 µA (typical 100 nA) when not in use.
- RoHS Compliance: Lead-free and RoHS compliant, ensuring environmental sustainability.
Applications
The AD5381BSTZ-5 is suitable for a wide range of applications requiring multiple analog output channels, including:
- Industrial Control Systems: For precise control and monitoring in industrial environments.
- Medical Devices: In medical equipment that requires multiple analog outputs with high precision and reliability.
- Aerospace and Defense: For applications where high channel density and precision are critical.
- Automotive Systems: In automotive control systems that need multiple analog outputs for various sensors and actuators.
- Test and Measurement Equipment: For generating multiple analog signals in test and measurement applications.
Q & A
- What is the resolution of the AD5381BSTZ-5 DAC?
The AD5381BSTZ-5 has a 12-bit resolution.
- How many D/A converters does the AD5381BSTZ-5 have?
The device has 40 D/A converters.
- What is the operating temperature range of the AD5381BSTZ-5?
The operating temperature range is -40°C to +85°C.
- What types of interfaces does the AD5381BSTZ-5 support?
The device supports I²C, parallel, SPI, and DSP-compatible serial interfaces.
- Does the AD5381BSTZ-5 have an on-chip reference?
Yes, it has a programmable internal 1.25 V/2.5 V reference.
- What is the settling time of the AD5381BSTZ-5?
The settling time is 8µs.
- Is the AD5381BSTZ-5 RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the package type of the AD5381BSTZ-5?
The device is packaged in a 100-lead LQFP (14x14 mm).
- Does the AD5381BSTZ-5 have a power-down mode?
Yes, it has a power-down mode that reduces power consumption significantly.
- What is the output type of the AD5381BSTZ-5?
The output type is voltage-buffered.
