Overview
The AD5339BRM from Analog Devices Inc. is a dual 12-bit buffered voltage output Digital-to-Analog Converter (DAC) housed in an 8-lead MSOP package. This device operates from a single 2.5 V to 5.5 V supply, consuming a low current of 250 μA at 3 V. It features a 2-wire (I2C-compatible) serial interface, allowing for efficient communication and control. The AD5339BRM is designed for applications requiring high precision and low power consumption, making it suitable for a variety of industrial, medical, and portable electronic devices.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 12 bits | - | - |
| Relative Accuracy | ±2 LSB | - | - |
| Differential Nonlinearity | ±0.2 LSB | - | - |
| Offset Error | ±0.4% of FSR | - | - |
| Gain Error | ±0.15% of FSR | - | - |
| Power Supply | 2.5 V to 5.5 V | V | - |
| Current Consumption | 250 μA @ 3 V, 300 μA @ 5 V | μA | - |
| Operating Temperature | −40°C to +105°C | °C | - |
| Settling Time | 10 μs | μs | 1/4 scale to 3/4 scale change |
| Slew Rate | 0.7 V/μs | V/μs | - |
| Output Type | Voltage - Buffered | - | - |
| Data Interface | I²C | - | - |
Key Features
- Dual 12-bit Buffered Voltage Output DACs: Provides high precision voltage output with rail-to-rail output swing.
- Low Power Operation: Consumes 250 μA at 3 V and 300 μA at 5 V, making it suitable for battery-powered devices.
- 2-Wire (I2C-compatible) Serial Interface: Allows for efficient communication and control, with SMBus compatibility at VDD < 3.6 V.
- Power-Down Modes: Three programmable power-down modes to reduce power consumption.
- Simultaneous Update of Outputs: Outputs can be updated simultaneously using the LDAC function.
- Software Clear Facility and Data Readback: Enables software clear and data readback for enhanced control.
- On-Chip Rail-to-Rail Output Buffer Amplifiers: Ensures high output swing and stability.
- Guaranteed Monotonic by Design: Ensures that the DAC outputs are monotonic over all codes.
Applications
- Portable Battery-Powered Instruments: Ideal for devices requiring low power consumption and high precision.
- Digital Gain and Offset Adjustment: Useful in applications needing precise voltage adjustments.
- Programmable Voltage and Current Sources: Can be used to generate precise voltage or current levels.
- Programmable Attenuators: Suitable for applications requiring adjustable attenuation.
- Industrial Process Control: Used in various industrial control systems for precise voltage output.
Q & A
- What is the resolution of the AD5339BRM DAC?
The AD5339BRM has a resolution of 12 bits.
- What is the operating voltage range of the AD5339BRM?
The AD5339BRM operates from a single 2.5 V to 5.5 V supply.
- What is the current consumption of the AD5339BRM at 3 V and 5 V?
The current consumption is 250 μA at 3 V and 300 μA at 5 V.
- What type of interface does the AD5339BRM use?
The AD5339BRM uses a 2-wire (I2C-compatible) serial interface.
- What are the power-down modes available in the AD5339BRM?
The AD5339BRM has three programmable power-down modes.
- Can the outputs of the AD5339BRM be updated simultaneously?
- What is the settling time of the AD5339BRM?
The settling time is 10 μs for a 1/4 scale to 3/4 scale change.
- What is the slew rate of the AD5339BRM?
The slew rate is 0.7 V/μs.
- Is the AD5339BRM RoHS compliant?
No, the AD5339BRM is not RoHS compliant.
- What is the operating temperature range of the AD5339BRM?
The operating temperature range is −40°C to +105°C.
