Overview
The AD5312ARMZ-REEL7, produced by 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 is designed for low power consumption, making it suitable for a variety of applications, including portable battery-powered instruments and automotive systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 10 bits | ||
| Relative Accuracy | ±0.5 LSB (A version), ±2 LSB (B version) | LSB | |
| Differential Nonlinearity | ±0.05 LSB (A version), ±0.5 LSB (B version) | LSB | |
| Offset Error | ±0.4% of FSR | % | |
| Gain Error | ±0.15% of FSR | % | VREF = VDD and offset plus gain error must be positive. |
| Power Supply | 2.5 V to 5.5 V | V | |
| Current Consumption | 230 μA @ 3 V | μA | Including reference current. |
| Power-Down Current | 200 nA @ 5 V, 50 nA @ 3 V | nA | |
| Output Voltage Range | 0 V to VREF | V | |
| Slew Rate | 0.7 V/μs | V/μs | |
| Serial Interface Clock Rate | Up to 30 MHz | MHz | Compatible with SPI, QSPI, MICROWIRE, and DSP interface standards. |
Key Features
- Dual 10-bit buffered voltage output DACs in a single package.
- Guaranteed monotonic by design over all codes.
- On-chip rail-to-rail output buffer amplifiers.
- Power-on-reset to 0 V.
- Simultaneous update of DAC outputs via LDAC.
- Low power serial interface with Schmitt-triggered inputs.
- Buffered/Unbuffered reference input options.
- Qualified for automotive applications.
Applications
- Portable battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- Automotive systems.
Q & A
- What is the resolution of the AD5312ARMZ-REEL7 DAC?
The AD5312ARMZ-REEL7 has a resolution of 10 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 AD5312ARMZ-REEL7 consume at 3 V?
It consumes 230 μA at 3 V, including reference current. - What is the slew rate of the output amplifiers?
The slew rate is 0.7 V/μs. - Is the AD5312ARMZ-REEL7 qualified for automotive applications?
Yes, it is qualified for automotive applications. - What is the maximum clock rate for the serial interface?
The serial interface can operate at clock rates up to 30 MHz. - Does the AD5312ARMZ-REEL7 have power-on-reset functionality?
Yes, it has a power-on-reset circuit that ensures the DAC outputs power-up to 0 V. - Can the DAC outputs be updated simultaneously?
Yes, the DAC outputs can be updated simultaneously via the LDAC pin. - What types of interfaces is the serial interface compatible with?
The serial interface is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards. - What is the output voltage range of the AD5312ARMZ-REEL7?
The output voltage range is from 0 V to VREF.
