Overview
The AD5312BRM-REEL7 is a dual 10-bit buffered voltage output Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component operates from a single 2.5 V to 5.5 V supply, making it versatile for various applications. It features a micropower operation, consuming 230 μA at 3 V, and includes on-chip output amplifiers that allow rail-to-rail output voltage swing.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Resolution | 10 | Bits | |||
| Relative Accuracy | ±2 | ±16 | LSB | A version: ±2 LSB, B version: ±16 LSB | |
| Differential Nonlinearity | ±0.05 | ±0.5 | LSB | A version: ±0.05 LSB, B version: ±0.5 LSB | |
| Output Voltage Settling Time | 7 | 9 | μs | ¼ scale to ¾ scale change | |
| Slew Rate | 0.7 | V/μs | |||
| Power Supply Range | 2.5 | 5.5 | V | ||
| Current Consumption | 230 | μA | @ 3 V | ||
| Power-Down Current | 200 | 50 | nA | @ 5 V and @ 3 V respectively |
Key Features
- Dual 10-bit buffered voltage output DACs in a single 10-lead MSOP package
- Micropower operation: 230 μA at 3 V, power-down to 200 nA at 5 V and 50 nA at 3 V
- On-chip rail-to-rail output buffer amplifiers 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, compatible with SPI, QSPI, MICROWIRE, and DSP interface standards
Applications
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
- Qualified for automotive applications
Q & A
- What is the resolution of the AD5312BRM-REEL7 DAC?
The AD5312BRM-REEL7 has a resolution of 10 bits.
- What is the power supply range for the AD5312BRM-REEL7?
The power supply range is from 2.5 V to 5.5 V.
- How much current does the AD5312BRM-REEL7 consume at 3 V?
The current consumption at 3 V is 230 μA.
- What is the slew rate of the output amplifiers?
The slew rate of the output amplifiers is 0.7 V/μs.
- Is the AD5312BRM-REEL7 qualified for automotive applications?
Yes, the AD5312BRM-REEL7 is qualified for automotive applications.
- What is the settling time for the output voltage?
The output voltage settling time is 7 μs to 9 μs for a ¼ scale to ¾ scale change.
- What interface standards is the serial interface compatible with?
The serial interface is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- What is the power-down current at 5 V and 3 V?
The power-down current is 200 nA at 5 V and 50 nA at 3 V.
- Does the AD5312BRM-REEL7 have rail-to-rail output capability?
Yes, the AD5312BRM-REEL7 has rail-to-rail output capability.
- What is the maximum clock rate for the serial interface?
The maximum clock rate for the serial interface is up to 30 MHz.
