Overview
The AD5301BRM-REEL7, produced by Analog Devices Inc., is a single 8-bit buffered voltage-output digital-to-analog converter (DAC). This component operates from a single supply voltage ranging from 2.5 V to 5.5 V and is designed for low power consumption, making it suitable for portable battery-operated equipment. The AD5301 features an on-chip output amplifier that provides rail-to-rail output swing with a slew rate of 0.7 V/μs. It uses a 2-wire (I2C-compatible) serial interface for data communication, allowing multiple devices to share the same bus. The device also includes a power-on reset function and three programmable power-down modes to minimize power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 8 bits | ||||
| Relative Accuracy | ±0.15 LSB | ±1 LSB | |||
| Differential Nonlinearity | ±0.02 LSB | ±0.25 LSB | Guaranteed Monotonic by Design over All Codes | ||
| Power Supply Voltage (VDD) | 2.5 V | 5.5 V | V | ||
| Current Consumption | 120 μA @ 3 V | μA | |||
| Power-Down Current | 50 nA @ 3 V | 200 nA @ 5 V | nA | ||
| Slew Rate | 0.7 V/μs | V/μs | |||
| Operating Temperature Range | -40°C | +105°C | °C | B Version |
Key Features
- Resolution: 8-bit resolution for precise analog output.
- Power Supply: Operates from a single supply voltage of 2.5 V to 5.5 V.
- Low Power Consumption: Consumes 120 μA at 3 V and reduces to 50 nA in power-down mode.
- Output Amplifier: On-chip rail-to-rail output buffer amplifier with a slew rate of 0.7 V/μs.
- Serial Interface: 2-wire (I2C-compatible) serial interface with clock rates up to 400 kHz.
- Power-Down Modes: Three programmable power-down modes for flexible power management.
- Power-On Reset: Ensures the DAC output powers up to 0 V and remains there until a valid write sequence is made.
- Packages: Available in 6-lead SOT-23 and 8-lead MSOP packages.
Applications
- Portable Battery-Powered Instruments: Ideal for devices requiring low power consumption.
- Digital Gain and Offset Adjustment: Suitable for applications needing precise voltage adjustments.
- Programmable Voltage and Current Sources: Can be used to generate variable voltage or current outputs.
- Programmable Attenuators: Useful in signal processing and conditioning applications.
Q & A
- What is the resolution of the AD5301BRM-REEL7?
The AD5301BRM-REEL7 has an 8-bit resolution.
- What is the operating voltage range of the AD5301BRM-REEL7?
The device operates from a single supply voltage of 2.5 V to 5.5 V.
- What is the typical current consumption of the AD5301BRM-REEL7 at 3 V?
The typical current consumption is 120 μA at 3 V.
- What is the slew rate of the output amplifier in the AD5301BRM-REEL7?
The slew rate of the output amplifier is 0.7 V/μs.
- What type of serial interface does the AD5301BRM-REEL7 use?
The device uses a 2-wire (I2C-compatible) serial interface.
- How many power-down modes does the AD5301BRM-REEL7 have?
The device has three programmable power-down modes.
- What is the power consumption in power-down mode at 3 V?
The power consumption in power-down mode is 50 nA at 3 V.
- Does the AD5301BRM-REEL7 have a power-on reset feature?
Yes, the device includes a power-on reset function that ensures the DAC output powers up to 0 V.
- In what packages is the AD5301BRM-REEL7 available?
The device is available in 6-lead SOT-23 and 8-lead MSOP packages.
- What are some common applications of the AD5301BRM-REEL7?
Common applications include portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and programmable attenuators.
