Overview
The AD5675ARUZ, produced by Analog Devices Inc., is a low-power, octal, 16-bit buffered voltage output digital-to-analog converter (DAC). This device is designed for various industrial and instrumentation applications, offering high precision and reliability. It operates from a single 2.7 V to 5.5 V power supply and is guaranteed monotonic by design. The AD5675ARUZ is available in a 20-lead TSSOP package and features a versatile 2-wire serial interface compatible with I2C, operating at clock rates up to 400 kHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Power Supply Voltage | 2.7 | 5.5 | V | ||
| Reference Input Range (Gain = 1) | 0 | VDD | V | ||
| Reference Input Range (Gain = 2) | 0 | VDD/2 | V | ||
| Output Voltage Range (Gain = 1) | 0 | VREF | V | ||
| Output Voltage Range (Gain = 2) | 0 | 2 × VREF | V | ||
| Output Current Drive (IOUT) | -20 | +20 | mA | ||
| Load Regulation | 177 | µV/mA | VDD = 5 V, DAC code = midscale | ||
| Power-Up Time | 2.5 | µs | Exiting power-down mode, VDD = 5 V | ||
| Logic Input Voltage (VIL) | 0.3 × VLOGIC | V | |||
| Logic Input Voltage (VIH) | 0.7 × VLOGIC | V |
Key Features
- Low power consumption with a typical power-down current of 1 µA.
- User-selectable gain of 1 or 2 via the GAIN pin.
- I2C-compatible serial interface with clock rates up to 400 kHz.
- 1.8 V logic compatibility.
- Available in 20-lead TSSOP and LFCSP packages, RoHS-compliant.
- Power-on reset circuit and RSTSEL pin to ensure output DACs power up to zero scale or midscale.
- Guaranteed monotonic by design.
- High relative accuracy with an INL of ±3 LSB maximum for 16-bit resolution.
Applications
- Optical transceivers.
- Base station power amplifiers.
- Process control (PLC input/output cards).
- Industrial automation.
- Data acquisition systems.
Q & A
- What is the power supply voltage range for the AD5675ARUZ?
The AD5675ARUZ operates from a single 2.7 V to 5.5 V power supply.
- What are the available package options for the AD5675ARUZ?
The device is available in 20-lead TSSOP and LFCSP packages.
- What is the resolution of the AD5675ARUZ DAC?
The AD5675ARUZ is a 16-bit DAC.
- How does the gain select feature work on the AD5675ARUZ?
The device includes a gain select pin, allowing for a full-scale output of VREF (gain = 1) or 2 × VREF (gain = 2).
- What is the typical power-down current of the AD5675ARUZ?
The typical power-down current is 1 µA.
- What is the maximum output current drive of the AD5675ARUZ?
The output current drive is up to 20 mA.
- Is the AD5675ARUZ guaranteed monotonic?
Yes, the AD5675ARUZ is guaranteed monotonic by design.
- What is the logic input voltage range for the AD5675ARUZ?
The logic input voltage range is 0.3 × VLOGIC to 0.7 × VLOGIC.
- What are some common applications of the AD5675ARUZ?
Common applications include optical transceivers, base station power amplifiers, process control, industrial automation, and data acquisition systems.
- How does the power-on reset circuit work on the AD5675ARUZ?
The power-on reset circuit and RSTSEL pin ensure that the output DACs power up to zero scale or midscale and remain there until a valid write takes place.
