Overview
The AD5302ARM-REEL7, produced by Analog Devices Inc., is a dual 8-bit buffered voltage output Digital-to-Analog Converter (DAC) housed in a 10-lead MSOP package. This device operates from a single 2.5 V to 5.5 V supply, making it versatile for various applications. It features on-chip output amplifiers that allow the outputs to swing rail-to-rail, and it is designed for low power consumption, making it suitable for portable battery-powered instruments.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 8 | Bits | Dual 8-bit DACs |
| Integral Nonlinearity (INL) | ±1 LSB (A version), ±0.5 LSB (B version) | LSB | Guaranteed monotonic by design over all codes |
| Differential Nonlinearity (DNL) | ±0.02 LSB (A version), ±0.25 LSB (B version) | LSB | |
| Power Supply | 2.5 V to 5.5 V | V | |
| Current Consumption | 230 μA @ 3 V, 300 μA @ 5 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 standards |
Key Features
- Dual 8-bit buffered voltage output DACs in a single package.
- On-chip rail-to-rail output buffer amplifiers.
- Low power consumption: 230 μA at 3 V and 300 μA at 5 V.
- Power-down feature reducing current to 200 nA at 5 V and 50 nA at 3 V.
- Guaranteed monotonic by design over all codes.
- Buffered or unbuffered reference input options.
- Simultaneous update of DAC outputs via LDAC input.
- Power-on-reset to 0 V.
- 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards.
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 AD5302ARM-REEL7?
The AD5302ARM-REEL7 has a resolution of 8 bits for each of the dual DACs.
- What is the power supply range for the AD5302ARM-REEL7?
The device operates from a single 2.5 V to 5.5 V supply.
- How much current does the AD5302ARM-REEL7 consume?
The device consumes 230 μA at 3 V and 300 μA at 5 V, including reference current.
- What is the power-down current of the AD5302ARM-REEL7?
In power-down mode, the current consumption is reduced to 200 nA at 5 V and 50 nA at 3 V.
- What is the slew rate of the output amplifiers?
The slew rate of the output amplifiers is 0.7 V/μs.
- What serial interface standards is the AD5302ARM-REEL7 compatible with?
The device is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
- Can the DAC outputs be updated simultaneously?
- What happens to the DAC outputs during power-on?
The DAC outputs power-on to 0 V and remain there until a valid write takes place.
- Is the AD5302ARM-REEL7 suitable for automotive applications?
- What is the package type of the AD5302ARM-REEL7?
The device is housed in a 10-lead MSOP package.
