Overview
The AD5312ARMZ from Analog Devices Inc. is a dual 10-bit buffered voltage output Digital-to-Analog Converter (DAC) housed in a 10-lead MSOP package. This device operates from a single power supply ranging from 2.5 V to 5.5 V and consumes a low current of 230 μA at 3 V. It features on-chip output amplifiers that enable rail-to-rail output voltage swing with a slew rate of 0.7 V/μs. The AD5312 is designed for low power consumption and high precision, making it suitable for various applications requiring accurate voltage output control.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 10 | Bits | |
| Relative Accuracy | ±4 LSB (A version), ±2 LSB (B version) | LSB | |
| Differential Nonlinearity | ±0.5 LSB (A version), ±0.05 LSB (B version) | LSB | |
| Offset Error | ±0.4% of FSR | % of FSR | |
| Gain Error | ±0.15% of FSR | % of FSR | |
| Output Voltage Settling Time | 7 μs (typical) for ¼ scale to ¾ scale change | μs | |
| Slew Rate | 0.7 V/μs | V/μs | |
| Power Supply | 2.5 V to 5.5 V | V | |
| Current Consumption | 230 μA at 3 V | μA | |
| Interface | 3-wire serial interface, compatible with SPI, QSPI, MICROWIRE, and DSP | ||
| Package | 10-lead MSOP |
Key Features
- Dual 10-bit buffered voltage output DACs in a single package.
- Low power consumption: 230 μA at 3 V, power-down to 200 nA at 5 V and 50 nA at 3 V.
- Rail-to-rail output voltage swing with a slew rate of 0.7 V/μs.
- Guaranteed monotonic by design over all codes.
- Buffered/Unbuffered reference input options.
- Power-on-reset to 0 V.
- Simultaneous update of DAC outputs via LDAC.
- Low power serial interface with Schmitt-triggered inputs.
- Qualified for automotive applications.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
Q & A
- What is the resolution of the AD5312ARMZ DAC?
The AD5312ARMZ has a resolution of 10 bits.
- What is the power supply range for the AD5312ARMZ?
The AD5312ARMZ operates from a single power supply ranging from 2.5 V to 5.5 V.
- What is the current consumption of the AD5312ARMZ at 3 V?
The current consumption is 230 μA at 3 V.
- What type of interface does the AD5312ARMZ use?
The AD5312ARMZ uses a 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards.
- What is the slew rate of the AD5312ARMZ output amplifiers?
The slew rate is 0.7 V/μs.
- Is the AD5312ARMZ qualified for automotive applications?
- What is the typical output voltage settling time for the AD5312ARMZ?
The typical output voltage settling time is 7 μs for a ¼ scale to ¾ scale change.
- Does the AD5312ARMZ have power-on-reset functionality?
- Can the AD5312ARMZ update both DAC outputs simultaneously?
- What is the package type of the AD5312ARMZ?
The AD5312ARMZ is housed in a 10-lead MSOP package.
