Overview
The AD5324BRM-REEL, produced by Analog Devices Inc., is a quad 12-bit buffered voltage output Digital-to-Analog Converter (DAC) available in a 10-lead MSOP package. This device operates from a single supply voltage ranging from 2.5 V to 5.5 V and consumes a low power of 500 μA at 3 V. It features on-chip output buffer amplifiers that provide rail-to-rail output swing with a slew rate of 0.7 V/μs. The AD5324 is designed for various applications requiring precise voltage output and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Resolution | 12 | 12 | 12 | Bits | |
| Relative Accuracy | ±2 | ±10 | LSB | ||
| Differential Nonlinearity | ±0.2 | ±1 | LSB | Guaranteed monotonic by design over all codes | |
| Offset Error | ±0.4 | ±3 | % of FSR | ||
| Gain Error | ±0.15 | ±1 | % of FSR | ||
| Power Supply Range | 2.5 | 5.5 | V | ||
| Power Consumption | 500 | 600 | μA | @ 3 V and 5 V respectively | |
| Power-Down Current | 80 | 200 | nA | @ 3 V and 5 V respectively | |
| Operating Temperature Range | -40 | 105 | °C | ||
| Slew Rate | 0.7 | V/μs | |||
| Serial Interface Clock Rate | 30 | MHz |
Key Features
- Quad 12-bit buffered voltage output DACs with rail-to-rail output swing.
- Single supply operation from 2.5 V to 5.5 V.
- Low power consumption: 500 μA at 3 V and 600 μA at 5 V.
- Programmable power-down modes reducing current to 80 nA at 3 V and 200 nA at 5 V.
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, operating up to 30 MHz.
- Simultaneous update of outputs using the LDAC function.
- Power-on reset to 0 V and guaranteed monotonic by design over all codes.
- On-chip output buffer amplifiers with a slew rate of 0.7 V/μs.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- Industrial process controls.
- Defense and aerospace applications (AD5324-EP version).
Q & A
- What is the resolution of the AD5324BRM-REEL DAC?
The AD5324BRM-REEL has a resolution of 12 bits.
- What is the operating voltage range of the AD5324BRM-REEL?
The device operates from a single supply voltage ranging from 2.5 V to 5.5 V.
- What is the power consumption of the AD5324BRM-REEL at 3 V and 5 V?
The power consumption is 500 μA at 3 V and 600 μA at 5 V.
- How does the power-down feature work on the AD5324BRM-REEL?
The device has programmable power-down modes that reduce the current to 80 nA at 3 V and 200 nA at 5 V.
- What type of serial interface does the AD5324BRM-REEL use?
The device uses a 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, operating up to 30 MHz.
- Can the outputs of the AD5324BRM-REEL be updated simultaneously?
- What is the slew rate of the output buffer amplifiers in the AD5324BRM-REEL?
The slew rate of the output buffer amplifiers is 0.7 V/μs.
- What is the operating temperature range of the AD5324BRM-REEL?
The operating temperature range is from -40°C to +105°C.
- Is the AD5324BRM-REEL suitable for defense and aerospace applications?
The AD5324-EP version is specifically designed to support defense and aerospace applications (AQEC standard).
- What kind of output swing does the AD5324BRM-REEL provide?
The device provides rail-to-rail output swing.
