Overview
The AD5312BRM-REEL, produced by Analog Devices Inc., is a dual 10-bit buffered voltage output Digital-to-Analog Converter (DAC) packaged in a 10-lead MSOP. This device 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 a variety of applications, including portable battery-powered instruments and automotive systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Resolution | 10 | 10 | 10 | Bits | |
| Relative Accuracy (A Version) | ±4 | ±4 | LSB | ||
| Relative Accuracy (B Version) | ±2 | ±2 | LSB | ||
| Differential Nonlinearity (A Version) | ±0.05 | ±0.5 | LSB | ||
| Differential Nonlinearity (B Version) | ±0.05 | ±0.5 | LSB | ||
| Offset Error | ±0.4 | ±3 | % of FSR | ||
| Gain Error | ±0.15 | ±1 | % of FSR | ||
| Power Supply Voltage | 2.5 | 5.5 | V | ||
| Current Consumption @ 5V | 230 | μA | Including reference current | ||
| Power-Down Current @ 5V | 200 | nA | |||
| Output Voltage Range | 0 | VDD | V | ||
| Slew Rate | 0.7 | V/μs | |||
| Output Settling Time | 7 | 9 | μs | ¼ Scale to ¾ Scale Change | |
| Max Operating Temperature | 105 | °C |
Key Features
- Dual 10-bit buffered voltage output DACs in a 10-lead MSOP package.
- Operates from a single supply voltage of 2.5 V to 5.5 V.
- Low power consumption: 230 μA at 5 V, including reference current.
- Power-down mode to 200 nA at 5 V.
- Guaranteed monotonic by design over all codes.
- Double-buffered input logic and simultaneous update of DAC outputs via LDAC.
- Low power serial interface with Schmitt-triggered inputs, compatible with SPI, QSPI, and MICROWIRE.
- On-chip rail-to-rail output buffer amplifiers.
- Buffered and unbuffered reference input options.
- Power-on reset to 0 V.
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 AD5312BRM-REEL DAC?
The AD5312BRM-REEL has a resolution of 10 bits.
- What is the operating voltage range of the AD5312BRM-REEL?
The device operates from a single supply voltage of 2.5 V to 5.5 V.
- How much current does the AD5312BRM-REEL consume at 5 V?
The device consumes 230 μA at 5 V, including reference current.
- What is the power-down current of the AD5312BRM-REEL at 5 V?
The power-down current is 200 nA at 5 V.
- Is the AD5312BRM-REEL guaranteed to be monotonic?
Yes, the device is guaranteed to be monotonic by design over all codes.
- What is the slew rate of the AD5312BRM-REEL's output buffer amplifiers?
The slew rate is 0.7 V/μs.
- What is the output voltage range of the AD5312BRM-REEL?
The output voltage range is from 0 V to VDD.
- Does the AD5312BRM-REEL support simultaneous update of DAC outputs?
Yes, the device supports simultaneous update of DAC outputs via the LDAC function.
- What types of serial interfaces are supported by the AD5312BRM-REEL?
The device supports SPI, QSPI, and MICROWIRE serial interfaces.
- Is the AD5312BRM-REEL qualified for automotive applications?
Yes, the device is qualified for automotive applications.
