Overview
The AD5322BRMZ-REEL7 is a dual 12-bit buffered voltage output Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD5322 series, which operates from a single 2.5 V to 5.5 V supply and is housed in a 10-lead MSOP package. It is designed for low power consumption and high precision, making it suitable for a variety of applications requiring accurate analog voltage output.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12 | Bits | |
| Relative Accuracy | ±2, ±8 LSB | A and B versions respectively | |
| Differential Nonlinearity | ±0.2, ±1 LSB | A and B versions respectively | |
| Offset Error | ±0.4, ±3 % of FSR | ||
| Gain Error | ±0.15, ±1 % of FSR | ||
| Power Supply | 2.5 V to 5.5 V | ||
| Current Consumption | 230 μA @ 3 V | Including reference current | |
| Power-down Current | 200 nA @ 5 V, 50 nA @ 3 V | ||
| Output Voltage Range | 0 V to VREF | ||
| Slew Rate | 0.7 V/μs | ||
| Serial Interface Clock Rate | Up to 30 MHz |
Key Features
- Dual 12-bit buffered voltage output DACs in a single package.
- On-chip rail-to-rail output buffer amplifiers.
- Guaranteed monotonic by design over all codes.
- Low power serial interface with Schmitt-triggered inputs.
- Simultaneous update of DAC outputs via LDAC pin.
- Power-on-reset to 0 V.
- Buffered/Unbuffered reference input options.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- Automotive applications.
Q & A
- What is the resolution of the AD5322BRMZ-REEL7 DAC?
The AD5322BRMZ-REEL7 has a resolution of 12 bits. - What is the power supply range for this DAC?
The power supply range is from 2.5 V to 5.5 V. - How much current does the DAC consume at 3 V?
The DAC consumes 230 μA at 3 V, including reference current. - What is the slew rate of the output amplifiers?
The slew rate of the output amplifiers is 0.7 V/μs. - Can the DAC outputs be updated simultaneously?
Yes, the DAC outputs can be updated simultaneously via the LDAC pin. - What is the maximum clock rate for the serial interface?
The maximum clock rate for the serial interface is up to 30 MHz. - Is the DAC guaranteed to be monotonic?
Yes, the DAC is guaranteed to be monotonic by design over all codes. - What are the typical applications for this DAC?
Typical applications include portable battery-powered instruments, digital gain and offset adjustment, programmable voltage and current sources, and automotive applications. - What is the package type of the AD5322BRMZ-REEL7?
The package type is a 10-lead MSOP. - Does the DAC have power-down functionality?
Yes, the DAC can power down to 200 nA @ 5 V or 50 nA @ 3 V.
